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Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements

See CL's top picks for best dark chocolate, cocoa powder, cocoa supplement, chocolate chips, and cacao nibs, based on independent tests for cocoa flavanols and contaminants like cadmium. Find out which ones passed or failed our review and learn about cardiovascular, memory, blood sugar, and other effects and side effects of cocoa.

Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements Review

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Product Review

Nutrition Bars & Cookies Review (For Energy, Fiber, Protein, Meal Replacement, and Whole Foods)

Find the Best Nutrition Bar or Cookie. ConsumerLab Tests Reveals Not All Nutrition Bars and Cookies Contain What They Claim.

Nutrition Bars Reviewed by ConsumerLab.com (Energy, Fiber, Meal Replacement, Protein, and Whole Food Bars)

CL Answer

What is the difference between cocoa and cacao? Is one better than the other?

Learn about the difference between cocoa vs. cacao, including cocoa powder, cocoa extracts, cocoa liquor, and cacao nibs. Information about benefits, caffeine, theobromine in cocoa and cacoa, differences between dark chocolate and milk chocolate. ConsumerLab.com's answer explains.

Product Review

Protein Powders, Shakes, and Meal Replacements Review

Find Out Which Protein Products Passed or Failed Our Tests

CL Answer

Why is there so much cadmium, a toxin, in cocoa powders but not in dark chocolate?

Learn more about the presence of the toxic heavy metal cadmium in cocoa powder and dark chocolate.

Cocoa Powder

CL Answer

How much fat is there in chocolate? Is it saturated fat?

Learn more about the fat content in dark chocolate & milk chocolate, how much is saturated, and serving size.

Woman Holding Chocolate Bar

CL Answer

What are the health benefits of dark chocolate?

Information on the health benefits of dark chocolate, including how dark chocolate may improve heart health, decrease blood sugar levels and more. ConsumerLab.com's answer explains.

The Benefits of Dark Chocolate -- Dark chocolate, cocoa powder and stethoscope

CL Answer

Is the theobromine in chocolate and cocoa good or bad for me?

Find out the benefits and risks of theobromine -- and how much is in dark chocolate.

Broken Bar of Chocolate on Pink Background

CL Answer

Does chocolate really cause migraines?

Find out if there is a link between chocolate/cocoa and migraines.

CL Answer

Can chocolate and cocoa powder cause eczema?

Does chocolate and cocoa cause eczema? Find out more, including information about nickel and nickel allergies.

Itching 1400

CL Answer

How much caffeine is really in dark chocolate bars?

Just how much caffeine is really in chocolate bars? Get our test results on the caffeine content in dark chocolate and cocoa powder.

How much caffeine is really in dark chocolate bars? -- Dark chocolate

CL Answer

Is Hershey's Special Dark better than other dark chocolate bars or cocoa powders?

Find out if Hershey's Special Dark Chocolate bar is better than other dark chocolate bars or cocoa powders, including flavanol content, contamination with lead or cadmium and other tests of quality. ConsumerLab.com's answer explains.

Chocolate Bar

CL Answer

Can cocoa and chocolate cause kidney stones?

Find out if cocoa and chocolate can cause kidney stones, such as calcium oxalate kidney stones, the amount of oxalates found in cocoa powders and chocolate bars, and more. ConsumerLab.com's answer explains.

Can Cocoa and Chocolate Cause Kidney Stones? -- close-up of cocoa powder and dark chocolate bar

CL Answer

How much dark chocolate equals a tablespoon of cocoa powder?

Learn how much dark chocolate will give you the same intake of flavanols as a tablespoon of cocoa powder.

Flavanols in Dark Chocolate and Cocoa -- Dark chocolate bar and cocoa powder,

News Release

August 19, 2024

High Levels of Toxin Found In Most Sunflower Seeds & Butters

White Plains, NY, August 19, 2024 —  Sunflower seeds are rich in healthy, unsaturated oils and provide significant amounts of protein, fiber, and vitamins and minerals, but ConsumerLab's recent tests found high levels of cadmium, a toxic heavy metal, in most of the sunflower seeds and sunflower ...

CL Answer

Why does dark chocolate have iron in it? Is it, or cocoa, a good dietary source of iron?

Find out if dark chocolate or cocoa is a good source of iron and if iron from dark chocolate or cocoa can be well-absorbed.

Dark Chocolate

News Release

February 26, 2024

Latest ConsumerLab Survey Shows Growth in Popularity of Magnesium and Several Smaller Supplements

White Plains, New York, February 26, 2024 — A recent survey of more than 10,000 people who regularly use dietary supplements shows that supplements that experienced the greatest absolute growth in popularity during 2023 were pregnenolone (+7.5 percentage points), magnesium (+4.8 pts), berberine (+4.

CL Answer

Are cocoa and chocolate products contaminated with the fungal toxin ochratoxin A?

Learn more about toxins associated with cocoa beans and if chocolate contains contaminants like ochratoxin A (OTA).

Powdered Cocoa, Chocolate, and Cacao Nuts on Brown Background

News Release

November 02, 2023

Spirulina and “Greens” Supplement Tests Show Some Problems

White Plains, New York, November 2, 2023 —  ConsumerLab tests of spirulina, chlorella, and “greens” supplements revealed that tablets of three brands of spirulina failed to disintegrate within the allotted time, and several other products contained amounts of lead unsuitable for regular consumption ...

Clinical Update

7/05/2017

Dark Chocolate & Appetite

A recent study found that women consumed fewer calories after eating dark chocolate than after eating milk or white chocolate. Dark chocolate also resulted in better blood sugar control — an effect noted in other studies of moderate consumption of dark chocolate. Get the details on this and other effects of dark chocolate in the "What It Does" section of the Cocoa and Dark Chocolate Review, which includes our tests and comparisons of popular products.

CL Answer

The distributor of my cacao powder says it checks for "metal fragments" in its products. Is this adequate to check for heavy metals, like cadmium and lead, that you've found in cocoas and chocolates?

Find out if tests such as foreign metal detection can show if cocoa powders and chocolate products are contaminated with heavy metals such as cadmium and lead. See amounts of these toxic heavy metals were found in cocoa and chocolate products tested by ConsumerLab.com

Clinical Update

3/29/2016

Chocolate May Help Exercise

In a tasty new study, men who ate dark chocolate for several days were able to cycle somewhat further than those given a placebo (white chocolate), possibly due to the flavanols in dark chocolate -- which also appear to provide cardiovascular benefit. For details about the study and the chocolate, and ConsumerLab's tests and reviews of dark chocolates and other cocoa-based products, see the Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements Review >>

Recalls & Warnings

December 04, 2023

Manischewitz Dark Chocolate Coins Recalled Due to Undeclared Milk

On December 1, 2023, Manischewitz issued a recall of one lot of Manischewitz Dark Chocolate Coins because they contain undeclared milk. The recalled lot of coins are labeled as “dark chocolate,” but contain milk chocolate coins.

Product Review

Bone Broth Review

Find the Best Bone Broth. Find Out How Much Collagen and Sodium Is Really In Popular Bone Broths.

Bone Broth Supplements Reviewed by Consumerlab.com

Product Review

Olive Leaf Extract Supplements Review

Learn What Olive Leaf Does and the Best Brands

Clinical Update

7/05/2014

Dark Chocolate Improves Walking in Peripheral Artery Disease

A new, small study found that people with peripheral artery disease who consumed dark chocolate with a high cocoa content were able to walk further than they normally could. Consuming milk chocolate did not have this effect. The improvement was seen shortly after consuming just one dose. For more details, including dosage, as well as our tests and comparisons of cocoa supplements and chocolate, see the update to the Cocoa Powders, Extracts and Chocolate (Sources of Flavanols) Review >>   

Product Review

Electrolytes & Sports Drinks Review

See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes

Product Review

Lion's Mane and Chaga Supplements Review

Read Labels Carefully -- Many Can Mislead

Lion's Mane and Chaga Supplements tested by ConsumerLab.com

Product Review

Lavender and Tea Tree Essential Oils Review

Oils Tested for Authenticity and Purity

CL Answer

I heard somewhere to avoid chocolate with "processed with alkali" in the ingredients. Is that true?

Learn more about cocoa processed with alkali ("dutched") and its effect on flavanols.

Chocolate Powder in Spoon

Product Review

Collagen Supplements Review

See our Top Picks for Wrinkles and Joints

CL Answer

10 Supplements That May Boost Testosterone (And 13 That May Not)

Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.

Chalkboard sign that says low testosterone sitting on a table in front of a book and supplements

Clinical Update

8/06/2020

Chocolate and Cancer

Can eating more chocolate reduce cancer risk? Find out what a recent study showed in the What It Does section of the Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review. Also see our Top Picks for dark chocolate, chocolate chips and cocoa powders.

Clinical Update

12/18/2018

Chocolate and Platelet Function?

A recent study found that eating dark chocolate affected a measure of platelet function. How important is this? Get the details in the Cardiovascular section of the Dark Chocolate and Cocoa Powders Review. (Also see our Top Picks for dark chocolate).

Clinical Update

8/11/2020

Chocolate to Improve Body Composition?

Can eating a small amount of chocolate every day help improve body composition? Find out what a recent study showed in the What It Does section of the Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review. Also see our Top Picks for dark chocolate, chocolate chips and cocoa powders.

Clinical Update

4/15/2017

Chocolate May Reduce Diabetes Risk

"Occasional" consumption of chocolate was associated with a lower risk of developing diabetes among certain postmenopausal women, according to new study. For details about this and other effects of chocolate, see the "What It Does" section of the Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements Review >>

Clinical Update

5/30/2017

Heart Risk Lower with Chocolate

Eating chocolate is associated with a reduced risk of developing atrial fibrillation, according to a large, long-term study. Atrial fibrillation is associated with higher risk of stroke, heart failure and other serious problems. Details about this and other benefits of chocolate are found in the "What It Does" section of the Chocolate and Cocoa Powders Review, which includes our findings for the flavanol content and contamination levels of popular products.

Clinical Update

11/08/2017

Dark Chocolate for Memory

Short-term studies suggest that large doses of cocoa flavanols improve certain aspects of memory and cognition. A new study suggests that long-term habitual intake of dark chocolate, which is rich in flavanols, can also help. For more information, see the "What It Does" section of the Dark Chocolate and Cocoa Review >> [Also see our Top Picks for dark chocolate bars in the Review.]

Clinical Update

8/28/2018

Chocolate for the Heart?

Studies suggest cardiovascular benefits from daily intake of cocoa flavanols, as found in dark chocolate. However, a new study, focusing on heart failure, suggests more limited intake. Get the details and our analysis in the Cardiovascular section of the Dark Chocolate, Cocoa Powder, and Nibs Review. (Also see our Top Picks for dark chocolate, cocoa powders, and more.)

Clinical Update

9/25/2021

Dark Chocolate for Mood?

A recent study investigated the effects of consuming dark chocolate on mood. The effect depended on cocoa level. See the results in the Mood and Stress section of our Dark Chocolate and Cocoa Review. Also see our Top Picks among dark chocolate bars and cocoa products.

Clinical Update

11/22/2020

Chocolate for Cognition?

Does eating chocolate improve cognition in postmenopausal women? See what a new study found in the Memory and Cognition section of the Dark Chocolate and Cocoa Review. Also see our Top Picks for dark chocolate, cocoa powders and supplements based on their flavanol content and purity.

Clinical Update

4/28/2023

Copper in Chocolate?

Chocolate and cocoa can be good sources of copper, an essential mineral. Find out how much copper is in chocolates and cocoa in the ConsumerTips section of our Dark Chocolate and Cocoas Review.

Also find out how much cadmium, a toxic heavy metal, we found in popular products, and see our Top Picks among dark chocolate bars, cocoa powders, and cocoa supplements.

Recalls & Warnings

January 16, 2023

Sanders Dark Chocolate Sea Salt Caramels Recalled Due to Plastic

On December 30, 2022, the Canadian Food Inspection Agency announced the recall of certain lots of Sanders Candy Dark Chocolate Sea Salt Caramels due to pieces of plastic being found in products.

CL Answer

What is acrylamide? Is it true that coffee and cocoa contain this toxin?

Find out what acrylamide is, how much is found in coffee and cocoa, and how you can minimize your intake of acrylamide.

Acrylamide in Coffee, French Fries & Cookies

Recalls & Warnings

October 03, 2020

Some "Dairy-Free" Dark Chocolate Found to Contain Undeclared Milk

On October 1, 2020, the FDA announced findings from a study it conducted from 2018 to 2019 that showed that some dark chocolate products claiming to be "dairy-free" or "milk-free" contain undeclared milk.

Clinical Update

9/22/2023

Cacao Flavanols for Mood?

Did drinking a beverage containing cacao flavanols improve mood in a recent study? Find out in the Mood and Stress section of our Dark Chocolates and Cocoa Powder Review, which includes our Top Picks for dark chocolate and cocoas.

Product Review

Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)

Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.

Greens Review Oct 2023

Clinical Update

12/01/2023

How Much Caffeine in Chocolate?

Our tests of dark chocolate found roughly 40 mg of caffeine per 40 gram serving in most bars, but there are outliers -- one had more than double that amount. See the amounts of caffeine we found in each bar in the 3rd column of the Results Table of our Dark Chocolate and Cocoa Review.

Clinical Update

1/16/2024

Dark Chocolate for Focus?

Did eating dark chocolate improve attention in a recent study? Find out in the Memory and Cognition section of our Dark Chocolates & Cocoa Review, which includes our Top Picks among dark chocolate bars and cocoa products.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Clinical Update

8/15/2024

Erythritol Risk in Dark Chocolate?

Some dark chocolate contains erythritol, which has been linked to higher risk of stroke. Find out if the amount of erythritol in Lily’s dark chocolate poses a risk in our Dark Chocolates and Cocoas Review.

Clinical Update

12/08/2023

Bad News for Banana & Chocolate Lovers

Mixing cocoa or chocolate with foods like bananas (as in a smoothie) may significantly degrade beneficial cocoa flavanols, according to a new study. Some other fruits don’t cause this problem. Get the details in the ConsumerTips section of our Dark Chocolate and Cocoa Review, and see our Top Picks among products.

Clinical Update

1/20/2023

Dark Chocolate and Blood Thinners

Does dark chocolate increase the blood-thinning effects of medications such as clopidogrel (Plavix) and aspirin? See what a recent study found in the What It Does section of our Dark Chocolate & Cocoa Review, which includes our Top Picks among products.

Also see: Are there supplements, foods, or beverages that I should avoid when taking clopidogrel (Plavix)?

Clinical Update

4/05/2020

Dark Chocolate for Memory?

Studies show that chocolate high in flavanols can improve cognition in people with cognitive decline. Can it also boost memory in people who are cognitively healthy? Find out in the Memory section of the Dark Chocolate and Cocoa Powders Review. Also see our Top Picks for dark chocolates and cocoa powders.

Clinical Update

4/29/2018

Dark vs. Milk Chocolate for Vision?

A recent study compared the effects on visual acuity of eating a bar of dark chocolate versus milk chocolate. Find out which was better in the Vision section of the Dark Chocolates, Cocoa Powders, and Cacao Nibs Review. (Also see our product tests, comparisons, and Top Picks.)

Clinical Update

9/28/2019

Dark Chocolate for Vision Improvement?

Does consuming flavanol-rich dark chocolate improve visual acuity? See what a recent study found in the Vision section of the Cocoas and Dark Chocolates Review. Also see our Top Picks for dark chocolate, cocoa powder, and nibs.

Clinical Update

6/11/2019

Does Dark Chocolate Improve Mood?

A recent study evaluated whether eating dark chocolate improved mood and reduced levels of cortisol, a stress hormone. See the results in the What It Does section of the Dark Chocolate and Cocoa Review. Also see our Top Picks among products.

Clinical Update

12/13/2016

Cocoa for High Blood Pressure?

A new study in which people with mild hypertension were given a cocoa beverage and dark chocolate daily for eight weeks found that it only helped lower blood pressure when people were taking certain blood pressure-lowering medications. For more details about this and other studies with cocoa and dark chocolate, as well as our tests and comparisons of products, see the "What It Does" section of the Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements Review >>

Clinical Update

9/10/2014

Lead in Dark Chocolate

Our recent tests of cocoa-based products found problems with many popular brands of cocoa powders, which were high in cadmium and/or lead. No problem was found, however, with a widely-sold dark chocolate bar, which also had a good amount of potentially beneficial flavanols. A new report by academic researchers in Brazil shows that some dark chocolate bars do contain lead in excess of what the FDA permits (although brands were not identified.) More about this, as well as our test results for 15 cocoa products, is found in updated Review of Cocoa/Cacao Powders, Extracts, Nibs, Supplements, and Chocolate >> 

News Release

July 26, 2023

Best Collagen Supplements for Skin and Joints, According to ConsumerLab Tests

White Plains, New York, July 26, 2023 —  Collagen supplementation may modestly reduce wrinkles and the appearance of cellulite, and moderately decrease joint and tendon pain and improve flexibility in people with osteoarthritis.

CL Answer

I take lisinopril (Zestril), an ACE inhibitor drug to lower blood pressure. Are there supplements I should avoid, or be taking, due to this drug?

When taking ACE inhibitors, find out which supplements should be avoided. Interaction info on Lisinopril or another ACE inhibitors.

Lisinopril, ACE Inhibitors and Supplement Interactions -- prescription bottle of lisinopril on desk with blood pressure cuff

Recalls & Warnings

April 03, 2023

SimplyProtein Bars Recalled Due to Undeclared Cashews

On March 31, 2023, Wellness Natural USA Inc. issued a voluntary recall of a single lot of SimplyProtein Peanut Butter Chocolate Crispy Bars because they contain undeclared trace of tree nuts (cashews).

Recalls & Warnings

December 08, 2020

Dark Chocolate Recalled Due to Allergen Risk

On December 1, 2020, Maribel's Sweets issued a recall of Cacao Market Cylinder Dark Chocolate Pearls because they contain undeclared milk.

CL Answer

Which supplements and foods reduce or increase the risk of kidney stones?

Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.

Supplements for Kidney Stones

News Release

January 12, 2023

High Levels of Cadmium Found In Whole and Ground Flaxseed In ConsumerLab Tests

White Plains, New York, January 12, 2023 — Recent ConsumerLab tests revealed concerning levels of cadmium, a toxic heavy metal, in several popular flaxseed products which, otherwise, provided the listed amounts of healthy fats, fiber, and protein without microbial contamination.

News Release

December 16, 2022

Is Your Chocolate or Cocoa Healthful or Toxic? ConsumerLab Finds Major Differences Among Products.

White Plains, New York, December 16, 2022 — Although dark chocolate and cocoa can be good sources of potentially heart-healthy, antioxidant flavanols, they can also be contaminated with toxic heavy metals such as cadmium and lead – and consumers can’t judge products from their labels.

Recalls & Warnings

May 22, 2023

Hu Vanilla Crunch Dark Chocolate Bars Recalled Due to Allergen Risk

On May 18, 2023, Hu Products issued a voluntary recall of one lot of its Vanilla Crunch Dark Chocolate Bar because they may contain undeclared tree nuts (hazelnut, cashew, and/or almond).

Clinical Update

10/31/2023

Testosterone Boosters

Do cacao and pomegranate peel or luteolin boost testosterone levels in men? Find out in our article about testosterone boosting supplements.

CL Answer

Supplements for Eczema: Some May Help, While Others Don’t

Certain supplements may reduce symptoms of atopic dermatitis (the most common form of eczema), while others don't seem to work. Find out if gamma-linolenic acid, L-histidine, phytoceramides, probiotics, and other supplements may be beneficial.

Young woman with eczema scratching her skin on the inner side of her elbow

Recalls & Warnings

January 20, 2019

RXBAR Protein Bars Recalled

On January 15, 2019, RXBAR issued a recall of certain varieties of protein bars because they may contain undeclared peanuts.

CL Answer

How concerned should I be about glyphosate in foods and supplements?

Find out if you should be concerned about glyphosate in foods and supplements. ConsumerLab.com's answer explains.

Glyphosate in Food -- bowl of oat o's cereal

News Release

June 30, 2022

Best Protein Shakes & Drinks According to ConsumerLab Tests. Lead, Excess Sodium Found in Some

White Plains, New York, June 30, 2022 — Consumers may get more sodium, fat, calories, or even lead, than they bargained for from some protein supplements, according to recent ConsumerLab tests of over 20 popular protein powders and shakes.

CL Answer

Is it true that some vitamins or supplements can cause cancer?

Learn more about the effects of certain vitamins and supplements on cancer, including beta-carotene, vitamins E and B9, and multivitamins.

Woman holding vitamins in hand

Clinical Update

7/15/2022

New Cocoa Top Pick

We've just tested and Approved three CocoaVia products through our voluntary Quality Certification Program and one is now a Top Pick. Find out how these compare to other cocoa supplements, powders, dark chocolate bars, chips, and nibs – as well as our Top Picks among these, in our updated Dark Chocolate and Cocoa Review.

Clinical Update

7/22/2022

Cadmium, Lead & Chocolate

A CL member recently asked how cadmium and lead make their way into cocoa and chocolate products. Find out in the Cadmium, Lead and Arsenic section of our Dark Chocolates, Cocoa & Cacao Supplements Review. Also, find out how much cadmium ConsumerLab found in cocoa products.

Clinical Update

3/22/2022

Does Cocoa Lower Risk of Cardiovascular Death?

Results were recently published for the largest study to-date of cocoa extract given to older men and women. See if it helped lower the risk of cardiovascular disease and death in the Cardiovascular section of our Dark Chocolate & Cocoa Review. Also see our Top Picks among dark chocolate bars, cocoa powders, nibs, and supplements.

Clinical Update

10/24/2023

Does Cocoa Lower Diabetes Risk?

Did supplementing with cocoa flavanols reduce the risk of developing type 2 diabetes? Find out what a large study found in the Blood Sugar, Insulin Resistance and Diabetes section of our Dark Chocolate and Cocoa Supplements Review, which includes our Top Picks for cocoa and dark chocolate.

Also see our article about supplements and food for blood sugar control.

Clinical Update

10/27/2023

Toxins in Chocolate and Cocoa

Like ConsumerLab, Consumer Reports recently tested chocolates and cocoa products for toxic heavy metals. See our take on some of its product findings in our Dark Chocolate, Cocoa & Cacao Products Review. Also see our Top Picks among products.

Clinical Update

6/16/2023

Fish Oil & Chocolate for Memory?

Did consuming fish oil and chocolate improve cognition in people with cognitive decline? See what a new study found in the Cognitive Impairment section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Clinical Update

1/27/2023

Cocoa for Insulin Resistance?

Did consuming a large daily amount of cocoa flavanols help women with insulin resistance in a recent study? Find out in the What It Does section of our Dark Chocolate & Cocoa Review. Also see our Top Picks among dark chocolate bars and cocoa products.

Also see: Which supplements and foods can help lower or control blood sugar?

Clinical Update

6/11/2014

Cocoa May Worsen Acne

Unlike the study we reported last week showing potential help for acne from omega-3 and omega-6 fatty acid supplements, a new study found that giving pure cocoa to men ages 18 to 35 had the opposite effect -- overall, more pimples. Get the details, along with our tests and comparisons of cocoa and chocolate products, in the update to the Cocoa Powders, Extracts and Chocolate Review >> 

Clinical Update

6/28/2017

Some Concern About Theobromine in Dark Chocolate

ConsumerLab's tests of dark chocolates show them to contain about as much theobromine (a caffeine-related stimulant) as heart-healthy flavanols. So is all this theobromine good or bad? A recent study suggests that it may be an issue for people who need to control their blood sugar, while, on the positive side, it lowers LDL "bad" cholesterol. Get the details in the "Concerns and Cautions" section of the Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements Review, which includes comparisons of the amounts of theobromine in popular products, as well as amounts of flavanols, caffeine, and contaminants.

Clinical Update

9/12/2018

Cocoa and Cholesterol

Can cocoa flavanols improve cholesterol levels? See what a recent study found in the Cardiovascular section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among cocoa and dark chocolate products.)

Clinical Update

7/31/2019

Dark Chocolate & Depression?

Are people who consume dark chocolate less likely to be depressed? Find out what a recent study showed in the Mood and Stress section of the Dark Chocolates and Cocoa Powders Review. Also see our Top Picks for dark chocolates and cocoa powders.

Clinical Update

6/20/2018

Intestinal Benefit of Cocoa?

Cocoa flavanols may support intestinal health, according to an animal study with a cocoa powder that acted like a prebiotic. Get the details in the What It Does section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among cocoa and dark chocolate products.)

Clinical Update

10/03/2020

Undeclared Milk in Dark Chocolates

If you're allergic to milk, be aware that about 10% of "dairy free" dark chocolate bars and chips were recently found to contain milk. Learn more in the Concerns and Cautions section of our Dark Chocolates Review. Also see our Top Picks for dark chocolate.

Clinical Update

12/14/2021

Tip for Nickel Sensitive Folks

Nickel can trigger an allergic dermatitis in some people, such as from consuming chocolate that is high in nickel. A CL member asked us if supplements can reduce nickel absorption. The answer is yes. Find out how in the Nickel section of our Cocoa/Chocolate Review.

News Release

February 24, 2022

Consumers Returned to Pre-Pandemic Supplement Usage in 2021, ConsumerLab Survey Reveals

White Plains, New York, February 24, 2022 —A survey of 8,049 people who use dietary supplements shows many supplements that declined in use in 2020 began bouncing back in 2021, such as magnesium (+2.4 percentage points), and CoQ10 (+2.7 pts).

CL Answer

Do any supplements or foods help with migraine? Do any trigger migraine?

Find out if supplements such as magnesium, CoQ10, riboflavin, butterbur, feverfew and others help with migraine. Also learn about foods that may trigger migraine, including chocolate and watermelon.

Migraine

Recalls & Warnings

August 01, 2022

53 Protein, Meal Replacement and Nutritional Beverages Recalled Due to Bacterial Contamination

On July 29, 2022, Lyons Magnus LLC issued a recall of 53 protein, meal replacement, and nutritional beverages, including those sold under the brand names of Glucerna, Premier Protein, Oatly, and others, due to the potential for microbial contamination, including from Cronobacter sakazakii.

Product Review

Sunflower Seeds and Butters Review

High Levels of Toxin Found in Most Sunflower Seeds and Butters

Sunflower Seeds & Butters 2024

Product Review

Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)

Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.

Weight Loss Supplements Tested by ConsumerLab.com

Recalls & Warnings

February 14, 2020

Dark Chocolate Bar Recalled Due to Allergen Risk

On February 13, 2020, Gourmet International and Butlers Chocolates UC issued a recall of IRISH WHISKEY DARK CHOCOLATE 3.5OZ TABLET BAR chocolate bars because they may contain undeclared milk.

News Release

February 26, 2021

COVID Changed Supplement Popularity in 2020, ConsumerLab Survey Reveals

White Plains, New York, February 26, 2021 — A survey of 9,647 people who use dietary supplements shows that the supplements which experienced the greatest growth in popularity in 2020 were those being promoted to prevent or treat infection with SARS-CoV-2, the coronavirus that causes COVID-19.

News Release

January 23, 2020

We Found the Best Dark Chocolates and Cocoas With the Least Contamination

White Plains, New York, January 23, 2020 — Dark chocolate and cocoa contain antioxidant flavanols that may be good for the heart and mind, but they can also contain high levels of the heavy metal cadmium, which is toxic to kidneys and can soften bones.

Recalls & Warnings

July 16, 2016

Ikea Expands Recall of Chocolate Bars

On July 6, 2016, IKEA expanded its recall of certain CHOKLAND chocolate bars to include additional chocolate bars, including certain GODIS chocolate bars, because they contain undeclared milk, hazelnuts and/or almonds.

CL Answer

How do I choose the best CoQ10 supplement?

Looking to choose the best CoQ10 brand supplement? Understand which CoQ10 you are buying, differences in dose, absorption, quality and more. ConsumerLab explores this topic.

Pill Bottle Q10 Spelled Out with Supplements

Recalls & Warnings

March 30, 2019

Sea Salt 70% Dark Chocolate Bar Recalled Due to Allergen Risk

On March 28, 2019, Theo Chocolate issued a recall of 3oz Sea Salt 70% Dark Chocolate bars because they may contain undeclared milk. 

Recalls & Warnings

March 24, 2020

Mislabeled Lindt Chocolate Bar Recalled

On March 19, 2020, Lindt & Sprüngli (USA) Inc. issued a recall of one lot of Lindt Excellence 85% Cocoa chocolate bars because they are wrapped in the wrong packaging.

Recalls & Warnings

March 14, 2011

22 Brands of Whey Protein Recalled Due to Salmonella Concern

The FDA posted a recall notice involving 22 brands of whey protein powder due to potential contamination with salmonella. The recall was voluntarily initiated on March 10, 2011 by the manufacturer of the products, Vitalabs, Inc.

CL Answer

Are there supplements, foods, or beverages that I should avoid when taking clopidogrel (Plavix)?

Learn about supplement interactions with clopidogrel (Plavix). Supplements that may interact with this medication include cannabidiol (CBD), grapefruit, St. John's wort, ginkgo and others.

Recalls & Warnings

October 09, 2023

Orgain Protein Powder Recalled Due to Allergen Risk

On October 4, 2023, Orgain LLC issued a recall of four lots of the company’s Organic Protein Powder + Superfoods, Creamy Chocolate Fudge flavor protein powder after a co-manufacturer informed the company that the product contained undeclared sesame, which is now one of nine food ...

CL Answer

What are trace minerals and do I need them?

Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.

Trace Minerals - What are they and do you need them?

Product Review

Pomegranate Juice and Supplements Review Article

What Are the Benefits of Pomegranate Juice and Supplements? Find Out What Pomegranate Can and Cannot Do For Your Health.

Pomegranate Juice Supplements Reviewed by ConsumerLab

Recalls & Warnings

March 31, 2018

Nutrition Bars Sold at Whole Foods and Online Recalled

On March 26, 2018, eBars LLC, issued a recall of their Protein Bars, Snack Bars, and Kids Bars because they may contain undeclared peanuts and/or almonds.

Recalls & Warnings

July 25, 2022

Nature’s Sunshine Protein Powder Recalled

On July 22, 2022, Nature’s Sunshine Products Inc. issued a recall of two AIVIA Whey Protein Powder Herbs meal replacement products due to undeclared milk.

Recalls & Warnings

January 14, 2017

Dark Chocolate Bar Recalled Due to Allergen Risk

People with an allergy to milk these bars as they could cause an allergic reaction, which can be life-threatening. Recalled Chip'n Dipped Dark Chocolate Crunch chocolate bars were distributed nationwide in retail stores and can be identified by the following:

Recalls & Warnings

June 17, 2024

Do Not Consume Diamond Shruumz Products, Warns CDC and FDA

On June 12, 2024, the Center for Disease Control and Prevention (CDC), Food and Drug Administration (FDA), and America’s Poison Centers warned consumers not to buy or consume Diamond Shruumz chocolate bars, cones, and gummies.

CL Answer

Which dietary supplements, health foods or spices contain high levels of lead?

Information about lead and heavy metals in vitamins, supplements and foods. Information on the adverse effects of lead.

Lead in Supplements & Foods -- concerned woman looking at pill

CL Answer

Which supplements, foods or diet and lifestyle changes help relieve acid reflux (heartburn), and which worsen it?

Find out which supplements and foods can help relieve acid reflux, and which can make it worse.

Supplements Making Acid Reflux Worse -- Man with acid reflux pain

Clinical Update

5/24/2024

High Levels of Toxic Metals in Some Chocolates and Cocoas

Recent tests of common chocolates and cocoas sold in the U.S. identified several with disturbingly high levels of the toxic metals cadmium and lead. For details, see the Update in our Dark Chocolate and Cocoa Review. Also see our Top Picks among dark chocolates and cocoas.

Clinical Update

7/15/2024

Cocoa & Afib

Did high-flavanol cocoa supplementation impact the risk of developing atrial fibrillation, a heart rhythm disorder, in a major study? Find out in the Cardiovascular effects section of our Dark Chocolate and Cocoa Review, which includes our Top Picks among dark chocolates and cocoa powders, supplements and nibs.

Clinical Update

3/24/2023

Glyphosate in Chocolate?

The herbicide glyphosate was reported in chocolates. Should you be concerned? See details in our article: How concerned should I be about glyphosate in foods and supplements?

Clinical Update

8/15/2023

Cocoa & Exercise?

Did consuming a high-flavanol cocoa extract improve exercise capacity among older people in a recent study? Find out in the Exercise and physical performance section of our Dark Chocolates and Cocoa Supplements Review.

Also see our Top Picks among cocoa supplements and dark chocolate bars.

Clinical Update

7/29/2022

Cocoa Flavanols & Blood Pressure

Do the flavanols in cocoa and dark chocolate lower blood pressure? See what a recent study found in people with normal blood pressure, as well as results for people with hypertension.

Clinical Update

2/11/2022

Reducing Acrylamide in Cookies

Acrylamide is a neurotoxin and probable cancer-causing agent that can form when cooking or baking certain foods at high temperatures. Find out how to reduce acrylamide formation when baking cookies in our updated article about Acrylamide in Foods, which also includes information about acrylamide in coffee, chocolate, potatoes and other foods.

Clinical Update

5/06/2022

Toxin In Coffee?

Is roasted coffee likely to be contaminated with ochratoxin A? Find out what a recent study found in our updated article about contaminants in coffee.

Also see our articles about ochratoxin A in cocoa and chocolate and oat cereals.

Clinical Update

12/02/2020

Cocoa for Cognition

A new study suggests that cocoa may improve some aspects of cognitive function in healthy people and sheds some light on how this may work. See the details in the Memory and Cognition section of the Dark Chocolate and Cocoa Review. Also see our Top Picks among dark chocolates, cocoa powders and supplements.

Clinical Update

1/11/2015

More Cocoa Benefits

A recently published study showed that hot cocoa made with a flavanol-enriched powder resulted in improvements in cognitive performance as well as reductions in blood pressure and cholesterol, and improved glucose metabolism. The study was conducted in people ages 65 to 80 who drank the cocoa each morning. More details, as well as our tests of cocoa powders, are found in the Cocoa and Dark Chocolate Review >> 

Clinical Update

6/10/2015

Cocoa for Memory

Cocoa flavanols have been shown in some studies to provide a cardiovascular benefit and, in older individuals, memory improvement. A recent study in younger men and women showed that daily use of a cocoa extract had little effect on memory and no cardiovascular benefit, although it did improve mental fatigue shortly after taking the extract. Learn more about the effects of cocoa, dosage, and see our tests and reviews of cocoa products in the Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements Review >> 

Clinical Update

7/26/2015

Does Cocoa Benefit Some More Than Others?

A recent study of natural cocoa taken daily showed potential cardiovascular benefits -- but they seemed greater for some people than others. See the details in the Cocoa and Dark Chocolate Review >>

Clinical Update

8/19/2015

Cocoa Increases Blood Flow to Brain

A small study found that drinking a cocoa drink high in flavanols significantly increased blood flow to the brain, which, the researchers propose, might have potential cognitive benefits. Get the details, including dosage, plus more about cocoa and memory, and our tests of popular products, in the Cocoa Supplements and Dark Chocolate Review >>

Clinical Update

9/12/2015

Cardiovascular Benefits of Cocoa Flavanols

A drink rich in cocoa flavanols modestly improved certain measures of cardiovascular health in healthy, middle-aged men and women, according to a recent study. Get the details, including dosage, plus our tests of popular products, in the Review of Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements >>

Clinical Update

11/11/2015

Cocoa Flavanol Safety

A new study found that, even at high doses, cocoa flavanols did not cause adverse cardiovascular effects in healthy men and women. However, be aware that drug interactions and certain side effects can occur. Details are provided in the "Concerns and Cautions" section of the Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements Review >>

Clinical Update

11/24/2015

Cocoa for Wrinkles?

A study in older women found that drinking a high-flavanol cocoa drink each day increased skin elasticity. And while wrinkles deepened among those drinking a placebo, they stayed stable in the cocoa-drinking group. For details about the amount of cocoa consumed (and its flavanol content), as well as our tests of flavanols (and contaminants) in popular cocoa powders and chocolates, see the Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements Review >>

Clinical Update

10/22/2016

Cocoa Lowers Blood Sugar

In addition to potential cardiovascular, memory, and other benefits, a new analysis shows that cocoa flavanols may reduce fasting glucose and improve insulin resistance. Get the details in the "What It Does" section of the Cocoa and Dark Chocolate Review >>

Clinical Update

6/15/2019

Cocoa & Physical Performance

Can a cup of cocoa a day improve physical performance? See what a recent study found in the What It Does section of the Dark Chocolate and Cocoa Review. Also see our Top Picks for cocoa powders and dark chocolates.

Clinical Update

10/09/2018

Cocoa for Diabetes?

Cocoa flavanols may help control blood sugar, but do they offer benefits to people with diabetes? See what recent studies are finding in the What It Does section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among products).

Clinical Update

11/10/2017

Curcumin for Memory

There is mixed evidence on whether or not curcumin helps improve memory. A recently published study found that a proprietary formula helped, although, last year, a study using a different formula failed to help. In both cases, certain side effects were more common among those taking curcumin than placebo. Get the details in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> [Also see our Top Picks for dark chocolate bars in the Review.]

Clinical Update

1/17/2018

FDA Finds High Cadmium in Cocoa Products

Researchers from the U.S. FDA recently reported finding high levels of cadmium in cocoas as well as cocoa nibs and dark chocolates — particularly in cocoas from certain parts of the world. The results are similar to what ConsumerLab has reported. For details, see the Dark Chocolate, Cocoa Powder, Nibs, Extracts & Supplements Review >>

News Release

October 04, 2019

ConsumerLab Tests Reveal Best Collagen Supplements for Wrinkles and Joints

White Plains, New York, October 4, 2019 — Collagen supplements are promoted to reduce wrinkles and decrease joint pain and stiffness, but do they really work, and if so, which products on the market provide the best quality collagen and the best value? To find out, ConsumerLab carefully ...

Recalls & Warnings

December 13, 2017

Dark Chocolate Bar Recalled

On December 8, 2017, ALDI, in cooperation with Hofer KG ZNL Schokoladefab, recalled Choceur Dark Chocolate Bars due to the potential presence of almond pieces not listed on packaging. These bars can cause an allergic reaction in people who have a nut allergy.

Recalls & Warnings

April 27, 2018

Labrada LeanPro8 Protein Powders Recalled Due to Allergen Risk

On April 24, 2018, Labrada Nutrition issued a recall of certain lots of LeanPro8 protein powders because they may contain undeclared egg protein.

CL Answer

Which foods are a good source of B vitamins?

Find out which foods are a good source of B vitamins (like folate and B-12) and when you should take Vitamin B supplements.

Good Sources of B Vitamins -- selection of healthy foods including eggs, rice, nuts, seeds, salmon, chicken

CL Answer

Does a USDA Organic seal guarantee that a supplement or natural product has been tested for toxic heavy metals such as lead, cadmium or arsenic?

Find out what the USDA Organic seal on dietary supplements means and whether certified organic supplements and natural products are tested for toxic heavy metals such as lead, cadmium, and arsenic.

USDA Organic seal

News Release

September 11, 2019

Some Nutrition Bars Contain More Carbs and Less Fiber Than Listed, ConsumerLab Tests Reveal

White Plains, New York, September 11, 2019 — Nutrition bars and cookies are promoted as a convenient way to get protein, fiber and other nutrients on-the-go, but recent ConsumerLab tests of popular nutrition bars and cookies reveal that some contain more carbohydrates (as well as fat and ...

Recalls & Warnings

March 30, 2016

Toxins in Chocolate

On March 23, 2016, As You Sow, a consumer health watchdog group based in California, released results showing that 35 of 50 chocolate products it tested, including chocolate bunnies and eggs, expose consumers to lead and cadmium above levels set by California's Safe Drinking Water and Toxic ...

Recalls & Warnings

July 05, 2017

CLIF Bars Recalled Due to Allergen Risk

On July 5, 2017, CLIF Bar & Company issued a voluntary recall of CLIF BUILDER'S Bar Chocolate Mint, CLIF Kid Zbar Protein Chocolate Mint, and CLIF Kid Zbar Protein Chocolate Chip flavors due to the potential presence of peanuts and tree nuts, including almonds, Brazil nuts, cashews, ...

Recalls & Warnings

July 12, 2019

PROBAR Meal Bars Recalled

On July 11, 2019, PROBAR LLC issued a recall of certain flavors and lots of its Meal® bars because they may contain undeclared milk and soy allergens. There has been one report of an allergic reaction to-date.

Recalls & Warnings

February 01, 2016

Garden of Life Shakes and Meals Recalled Due to Salmonella Risk

On January 29, 2016, Garden of Life LLC issued a recall of certain Raw Meal Organic Shake & Meal Chocolate, Original, Vanilla and Vanilla Chai products because they have the potential to be contaminated with Salmonella.

CL Answer

What is the best way to take curcumin? Is it better to take it all at once or in divided doses?

Find out the best way to take curcumin and turmeric supplements to increase absorption and bioavailability, plus the best way to cook with turmeric spice. ConsumerLab.com's answer explains.

Recalls & Warnings

July 02, 2016

Ikea Recalls Dark Chocolate Bars Due to Allergen Risk

On June 24, 2016, IKEA issued a recall of certain CHOKLAD MÖRK and CHOKLAD MÖRK 70% dark chocolate bars because they contain undeclared milk, hazelnuts and almonds.

News Release

January 03, 2019

ConsumerLab Tests Reveal the Best Protein Powders, Shakes and Drinks -- 20% of Protein Powders and Drinks Fail CL's Tests of Quality

White Plains, New York, January 3, 2019 — Combined with resistance exercise, protein supplements can help athletes build muscle and older people prevent muscle loss. They can also help people with diabetes maintain blood sugar levels when consumed as part of a low-calorie diet.

CL Answer

I'm interested in using Himalayan salt. What are the health benefits with it and other specialty salts? Are there contaminants in these salts?

Himalayan salt health benefits, along with other gourmet salts like Hawaiian and Mediterranean. Info including what's in them and their safety.

Himalayan Salt -- spoonful of pink Himalayan salt

Recalls & Warnings

April 10, 2021

HI-TECH Workout Supplements Recalled Due to Undeclared Allergens

On April 3, 2021, HI-TECH Pharmaceuticals issued a recall of all lots of APS Nutrition Isomorph 28 in a 2lb jug because they contain undeclared milk, wheat, and soy.

Recalls & Warnings

April 16, 2012

Protein Supplement Maker Fails FDA Audit -- Many Products Affected

The FDA sent a Warning Letter (dated April 2, 2012) to Theta Brothers Sports Nutrition, Inc. regarding numerous violations of good manufacturing practices at its Lakewood, New Jersey facility.

Recalls & Warnings

June 14, 2013

Protein And Nutrition Bars Recalled Due To Undeclared Milk Allergen

On June 13, 2013, the U.S. FDA alerted consumers that Sequel Naturals Ltd., dba Vega, issued a voluntary recall of a variety of Vega One and Vega Sport protein bars because the bars contain undeclared milk.

Recalls & Warnings

June 07, 2013

Nutrition Bars Recalled Due To Undeclared Milk Allergen

On June 6, 2013, Sequel Naturals Ltd. issued a recall of Vega sports, nutrition and energy bars because they contain undeclared milk. Consumption of these bars can cause serious or life-threatening reactions in people with an allergy to milk.

Recalls & Warnings

May 04, 2021

CytoSport's Evolve Protein Shakes Recalled

On May 1, 2021, CytoSport, Inc., recalled certain lots of Evolve Protein Shakes because they have the potential to be contaminated with soy protein.

CL Answer

I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?

Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole (Prilosec) and Nexium.

Recalls & Warnings

May 09, 2024

Walnuts, Other Nuts, Pumpkin and Sunflower Seeds Recalled Due to Undeclared Allergens

On May 8, 2024, Texas Pecan recalled various lots of the company’s 1 lb. and 8 oz.

Recalls & Warnings

July 11, 2017

Gluten Free Chocolate Chip Bars Recalled Due to Allergen Risk

On July 10, 2017, Coborn's, Inc. recalled packages of Gluten Free Chocolate Chip Bars because some were incorrectly labeled as Gluten Free Fudge Brownies.

CL Answer

I recently bought a CoQ10 supplement on Amazon. The manufacture date was hidden under a sticker, but was 13 months ago. No "Best By" date is listed. Is this product still good to use?

Find out how long your CoQ10 supplement should last, if your CoQ10 is expired, and how long it is good to use. ConsumerLab.com's answer explains.

Is My CoQ10 Expired? -- CoQ10 capsules in hand

Recalls & Warnings

July 24, 2017

Protein Bars Recalled Due to Listeria Risk

On July 21, 2017, Bhu Foods recalled a number of their products after their organic sunflower seeds, distributed by Hudson Valley Foods, Inc., were potentially contaminated with Listeria monoocytogenes.

Recalls & Warnings

December 07, 2016

Chocolate Hazelnut Butter CLIF Nut Butter Filled Energy Bars Recalled

On November 18, 2016, Clif Bar & Company issued a recall of one production run of Chocolate Hazelnut Butter CLIF Nut Butter Filled energy bars due to the presence of small plastic pieces found in a limited number of bars.

Recalls & Warnings

June 15, 2016

More Nutrition Bars Recalled Due to Listeria Risk

The following nutrition bars are being recalled because they contain sunflower kernels or may have come in contact with equipment processing sunflower kernels which have the potential to be contaminated with Listeria monocytogenes (use the links below for affected lot numbers, UPC, and/or ...

Recalls & Warnings

February 12, 2015

Many Dark Chocolate Bars Found to Contain Undeclared Milk

On February 11, 2015, the FDA announced its study of dark chocolate bars found many - including some which did not list milk as an ingredient or were labeled as "dairy-free" or "allergen-free," to contain milk.

Recalls & Warnings

September 26, 2014

FDA Warns Seller of Supplements and Chocolate Promoted to Treat Ebola

On September 23, 2014, the FDA issued a warning letter to Natural Solutions Foundation, following a review of the company's websites which found statements made about Silver Sol Nano Silver (also called The Silver Solution) and CBD Organic Dark Chocolate Bars (also called High Potency CBD Hemp Oil) ...

Recalls & Warnings

July 13, 2023

1st phorm Level-1 Protein Supplements Recalled Due to Staph Risk

On June 21, 2023, International Food Companies DBA International Food Products recalled two protein supplements due to potential contamination with Staphylococcus aureus.

Recalls & Warnings

May 22, 2023

Nature’s Energy Children’s Colostrum Recalled Due to Undeclared Milk

On May 18, 2023, Nature’s Energy issued a recall of six lots of Children’s Chewable Colostrum products due to undeclared milk.

CL Answer

Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?

Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.

CL Answer

Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.

Supplements for Memory -- doctor holding a model of a brain and fish oil capsule

Recalls & Warnings

July 18, 2024

Great Value & Silk Plant-Based Milks Recalled in Canada, Linked With Deadly Listeria Outbreak

On July 8, 2024, Health Canada (the Canadian equivalent of the FDA) announced the recall of 18 varieties of Great Value and Silk brand oat, almond, coconut, and nut milks sold and distributed in Canada due to potential contamination with Listeria monocytogenes.

Clinical Update

2/15/2020

Cocoa for Artery Disease?

People with peripheral artery disease often have trouble walking. Can flavanol-rich cocoa help? Find out what a recent study showed in the What It Does section of the Cocoa and Dark Chocolates Review. Also see our Top Picks for cocoas, chocolates, chips, nibs, and cocoa supplements.

Recalls & Warnings

July 30, 2014

Chocolate and Carob Drink Mix Recalled Due To Salmonella Risk

On July 25, 2014, CaCoCo, Inc. issued a recall of CaCoCo Original and Global Warrior chocolate drink mixes because they contain organic carob powder which has the potential to be contaminated with Salmonella.

Recalls & Warnings

January 31, 2021

Protein and Fiber Bars Recalled Due to Allergen Risk

On January 28, 2021, think! and Interpac Technologies, Inc. issued a voluntary recall of think! Protein + Fiber Oatmeal: Farmer's Market Berry Crumble due to the potential presence of tree nuts, including almonds and pecans.

News Release

March 27, 2018

You Can't Always Rely on Bone Broth Labels -- ConsumerLab Tests Reveal How Much Protein, Collagen and Sodium Is Really In Bone Broths

White Plains, New York, March 27, 2018 — Bone broth is promoted as a natural source of collagen, an immune-booster, and a remedy for everything from joint pain to wrinkles.

News Release

February 15, 2018

Tests Reveal How Much CBD is Really in CBD and Hemp Oils -- Some Don't Provide Amounts of CBD Listed on Labels

White Plains, New York, February 15, 2018 (UPDATED 2/11/19) — CBD (cannabidiol) has become popular for treating pain, helping with anxiety and insomnia, and a variety of other conditions, despite the fact that the FDA has stated it cannot legally be sold as a ...

Recalls & Warnings

March 30, 2011

More Protein Supplements Recalled for Salmonella Risk

On March 29, the U.S.

Recalls & Warnings

June 18, 2016

Muscle Milk Protein Drinks Recalled

On June 17, 2016 HP Hood LLC issued a recall of the following Muscle Milk protein drinks because they have the potential for premature product spoilage:  

Recalls & Warnings

March 11, 2013

Nutrition Bar Recalled Due To Undeclared Allergen

On March 7, 2013, Lifestyle Evolution Inc. issued a recall of various NuGO nutrition bars because the bars may contain undeclared milk, a potential allergen.

Recalls & Warnings

November 01, 2013

Protein Shakes Containing Prescription Drug Pose Serious Health Risk

On November 1, 2013, Health Canada warned consumers that Vega One Vanilla Chai (sizes 437g and 874g) and Vega Sport Performance Chocolate nutritional shakes, by Sequel Naturals Ltd., have been found to contain the prescription antibiotic chloramphenicol.

Recalls & Warnings

October 15, 2012

Recall of Nutrition Bars Containing Peanut Butter Due To Salmonella Risk

On October 11 and 12, 2012, four brands of nutrition bars were voluntarily recalled due to possible salmonella contamination of the peanut butter used in each of these bars. The peanut butter was produced by Sunland Inc., and is part of a larger recall of Sunland's peanut butter and peanut products.

Recalls & Warnings

March 06, 2018

Protein Bars Recalled Due to Undeclared Allergens

On March 5, 2018, IDLife, LLC, issued a recall of their Protein Bars, Snack Bars, and Kids Bars because they may contain undeclared almonds, peanuts, and/or coconut oil.

Recalls & Warnings

March 31, 2020

Bulletproof Warned for Manufacturing Violations

On March 20, 2020, the FDA issued a warning letter to Bulletproof 360, Inc.

Recalls & Warnings

March 28, 2014

Nutrition Bars Recalled Due to Allergen Risk

On March 27, 2014, Clif Bar & Company issued a voluntary recall of a small number of 15-count boxes of Chocolate Chunk LUNA Bars because they contain undeclared macadamia nut butter.

News Release

July 19, 2017

New Tests Reveal Whether Dark Chocolates and Cocoas Are Toxic or Healthful

White Plains, New York, July 19, 2017 — Dark chocolates and cocoa may contain dangerously high levels of the heavy metal cadmium, a kidney toxin, according to recent tests conducted by ConsumerLab.com, an independent evaluator of health and nutrition products.

Recalls & Warnings

June 24, 2024

Canned Coffee Recalled Due to Botulism Risk

On June 17, 2024, Snapchill LLC recalled its canned coffee products because they have the potential to grow the toxic bacterium Clostridium botulinum.

Recalls & Warnings

April 17, 2024

FDA Warns Lipari Foods for Mislabeled Walnuts, Other Violations

On April 9, 2024, the FDA issued a Warning Letter to Lipari Foods Operating Company, LLC following multiple complaints and subsequent product recalls in August and September of 2023, which found the company did not follow the requirements of Current Good Manufacturing Practice (CGMP), Hazard ...

Recalls & Warnings

April 29, 2024

Longreen Reishi and Xlim Express Coffee Recalled Due to Undeclared Allergens

On April 18, 2024, BF Suma Pharmaceuticals, Inc.

Recalls & Warnings

September 23, 2024

Lactaid Milk Recalled Due to Allergen

On September 20, 2024, HP Hood LLC voluntarily recalled five SKUs of refrigerated Lactaid Milk due to the product potentially containing trace amounts of almond, which is not declared on the label. No illness has been reported to date.

Recalls & Warnings

October 10, 2024

Seaweed Recalled Due to Allergen Risk

On October 10, 2024, Wismettac Asian Foods, Inc. recalled its 3.52 oz packages of Shirakiku Korean Seasoned Seaweed.

Recalls & Warnings

December 13, 2023

Bobo’s Peach Oat Bars Recalled Due to Undeclared Coconut

On December 9, 2023, Bobo’s issued a nationwide recall of multiple lots of Bobo’s Peach Oat Bars because they may contain undeclared coconut.

News Release

June 01, 2017

Best Vitamin K Supplement? ConsumerLab.com Tests Popular Products and Reveals Its Top Picks

White Plains, New York, June 1, 2017 — Vitamin K plays an important role in proper blood clotting as well as with calcium utilization in bones and the cardiovascular system, but do most people need a vitamin K supplement? And do products on the market contain what's claimed on their labels? ...

Recalls & Warnings

June 23, 2016

Protein Drinks Recalled Due to Possible Spoilage

On June 22, 2016 Bolthouse Farms issued a recall of the protein drinks listed below due to possible spoilage that may cause the beverages to appear lumpy, taste unpleasant and have an off odor.

Recalls & Warnings

January 31, 2015

Protein Powder Recalled Due to Food Poisoning Risk

On January 30, 2015, Aloha, Inc. issued a voluntary recall of all packages of Premium Protein powder blends in chocolate and vanilla because they have the potential to be contaminated with Staphylococcus enterotoxin .

Recalls & Warnings

October 13, 2016

Nutrisystem Bars Recalled Due to Listeria Risk

On October 11, 2016, Nutrisystem Everyday, LLC issued a recall of one lot of its Nutricrush Chocolate Chip Cookie Dough bar because it has the potential to be contaminated with Listeria monocytogenes.

Recalls & Warnings

August 03, 2017

Protein Bars Recalled Due to Listeria Risk

On August 2, 2017, Amrita Health Foods recalled several varieties of protein bars due to potential contamination with Listeria monoocytogenes.

Recalls & Warnings

June 26, 2006

FDA Warns Candy Maker Making Heart Health Claims

On May 31, 2006, the U.S.

Recalls & Warnings

January 31, 2002

Recall Update for Certain Metabolife Bars - Excessive Vitamin A

The U.S. Food and Drug Administration (FDA) released the following Class I recall information in its January 30, 2002 Enforcement Report.

Recalls & Warnings

March 06, 2013

Protein Bar Recalled Due To Salmonella Risk

On March 4, 2013, Pro-Amino International Inc. issued a recall of Proti Diet High Protein Chocolate Dream Bar due potential Salmonella contamination.

Recalls & Warnings

June 12, 2023

Vital Proteins Collagen Peptides 24 oz Recalled

On April 28, 2023, Vital Proteins issued a recall of a single batch of Vital Proteins Collagen Peptides -- Unflavored (24 oz) that were distributed to and sold by Costco. Canisters may contain broken blue pieces of plastic from a broken lid.

Recalls & Warnings

June 14, 2023

Havasu Beet Root Powder Recalled Due to Allergen Risk

On June 12, 2023, Supplement Manufacturing Partner Inc. issued a recall of one lot of Havasu Nutrition’s Beet Root Powder + due to undeclared milk. The recall was initiated following a report of an allergic reaction from a consumer with a milk allergy.

Recalls & Warnings

July 24, 2023

ONO Overnight Oats Recalled Due to Allergen Risk

On July 18, 2023, ONO LLC issued a voluntary recall of the company’s ONO Vegan Blueberry Muffin Protein Overnight Oats due to undeclared milk.

Recalls & Warnings

March 09, 2023

"Dr. Rima Recommends" Nano Silver Recalled

On March 7, 2023, Natural Solutions Foundation issued a recall of Dr. Rima Recommends Nano Silver 10ppm Dietary Supplement, which was promoted to prevent and/or treat COVID-19.

News Release

May 26, 2017

ConsumerLab.com Tests Reveal the Best Calcium Supplements

White Plains, New York, May 26, 2017 — Most people know that calcium is important for building and maintaining strong bones, but with so many different forms, dosages and ingredient combinations available on the market, choosing a calcium supplement can be difficult. To help, ConsumerLab.

News Release

May 17, 2017

Best Vitamin D? ConsumerLab.com Tests Popular Vitamin D Supplements and Reveals Its Top Picks

White Plains, New York, May 17, 2017 — Vitamin D is currently the most popular dietary supplement among people who regularly use supplements according to a recent survey by ConsumerLab.com.

News Release

July 26, 2016

36% of Meal Replacement Powders and Shakes Fail ConsumerLab.com's Tests of Quality

White Plains, New York, July 26, 2016 — [Note: This review has been archived and is no longer available online. For ConsumerLab's most recent tests of meal replacement shakes, drinks and mixes, please see our Protein Powders, Shakes, and Meal Replacements Review.

News Release

June 15, 2016

28% of Protein Powders and Drinks Fail ConsumerLab.com's Tests of Quality

White Plains, New York, June 15, 2016 — Protein powders and drinks can help build and maintain muscle when combined with exercise and can also help with blood sugar control. However, recent ConsumerLab.

Recalls & Warnings

September 22, 2018

MyoWhey Protein Powder Recalled

On September 20, 2018, Purus Labs, Inc. issued a recall of one lot of MyoWhey Chocolate Cookie Crunch protein powder because it may contain undeclared milk and soy.

Recalls & Warnings

May 09, 2022

Natural Organics Keto Capsules Recalled Due to Gluten

On March 6, 2022, Natural Organics, Inc. issued a recall of four lots of NaturePlus Keto Living Sugar Control Capsules that were found to contain gluten.

Recalls & Warnings

June 17, 2022

Built Brand Protein Bar Recalled Due to E. Coli Concern

On June 10, 2022, Built Brands, LLC. Issued a recall of 4,146 Banana Cream Pie Puffs protein bars after routine testing discovered potential contamination with E. coli (Escherichia coli).

Recalls & Warnings

August 17, 2012

Voluntary Recall of Nutrition Bars

On August 13, 2012, Clif Bar & Company issued a voluntary recall of a limited amount of 12-pack Blueberry Crisp Clif Bars and individual Blueberry Crisp Clif Bars which were mislabeled in Chocolate Chip Clif Bar wrappers.

Recalls & Warnings

December 29, 2015

Whey Protein Recalled

On December 23, 2015, American Pure Whey issued a recall of all lots of 100% Pure Whey Protein Matrix and 100% Pure Whey Protein Isolate because they contain undeclared milk and soy.

Recalls & Warnings

February 22, 2021

Canadian Creatine Recalled for Dangerous Levels of Vitamin D

On February 21, 2021, the Canadian company Genex Nutraceuticals recalled one lot of Perfect Sports Core Series Pure Creatine (also known as Creatine Powder) because it "contains vitamin D that is not listed on the label, at dangerous levels.

Recalls & Warnings

November 09, 2021

Five Brands of Protein Supplements Recalled Due to Allergen Risk

On November 9, 2021, Nutracap Holdings, LLC issued a recall of certain Boba Origin, Etedream, RAW, Steel, and Vital Force protein supplements because they contain potential allergens, including soy, milk, wheat, and/or coconut, that are not declared on the label.

News Release

April 28, 2015

Best Supplements for Bone Health? ConsumerLab.com Finds Products with Multiple Ingredients More Likely to Contain Wrong Amounts

White Plains, New York, April 28, 2015 — Vitamin D and calcium each play a crucial role in bone health and are among the most popular supplement ingredients in the U.S., but recent ConsumerLab.

News Release

November 25, 2014

You Can't Judge a Dark Chocolate Bar by Its Label, According to Tests by ConsumerLab.com -- Amounts of Cocoa Flavanols Vary Widely Among Popular Brands of Chocolate

White Plains, New York, November 25, 2014 — Which dark chocolates provide the most cocoa flavanols — natural antioxidants associated with better blood flow and memory? Recent tests by ConsumerLab.

News Release

August 05, 2014

ConsumerLab.com Finds Popular Cocoa Powders Contaminated; High Concentrations of Cadmium Raise Concern

White Plains, New York, August 5, 2014 — Following up on its discovery in May of high levels of the toxic metal cadmium in several cocoa-based products, ConsumerLab.com recently tested additional, popular cocoa products sold in the U.S. to assess the extent of the problem.

News Release

May 21, 2014

Your Cocoa May Be Contaminated! ConsumerLab.com Reveals What’s Really in Cocoa and Chocolate Products

White Plains, New York, May 21, 2014 [See related new release on 8/5/14] — Cocoa powders, dark chocolates, and other products made from cacao beans can be rich in flavanols -- which may help with blood flow, blood pressure, and cholesterol levels.

Recalls & Warnings

February 16, 2016

Garden Of Life Recall Expanded

On February 13, 2016, Garden of Life LLC expanded its January 2016 recall of certain Raw Meal Organic Shake & Meal Chocolate, Original, Vanilla and Vanilla Chai products to include additional lots of these products, because they have the potential to be contaminated with ...

Recalls & Warnings

July 30, 2014

Nutrition Bars Recalled Due to Salmonella Risk

On July 25, 2014, GoMacro issued a recall of two flavors of MACROBARS nutrition bars because they contain carob powder which has the potential to be contaminated with Salmonella.

Recalls & Warnings

September 04, 2020

Beware of Hand Sanitizers Packaged in Food and Drink Containers

On August 27, 2020, the FDA warned consumers about alcohol-based hand sanitizers that are packaged in containers that look like food and drink packages.

Recalls & Warnings

July 28, 2020

Iron Supplements Recalled Due to Undeclared Allergen

Between July 23 and 24, 2020, two companies issued recalls of iron supplements because they may contain undeclared milk.

Recalls & Warnings

November 26, 2019

FDA Warns Companies Selling CBD Products as Dietary Supplements

On November 25, 2019, the FDA issued warning letters to 15 companies for selling products containing CBD (cannabidiol) labeled and marketed as dietary supplements, and/or for making drug claims about these products.

Recalls & Warnings

April 07, 2011

FDA Warns Manufacturer of Soy Products of Violations

The U.S. FDA published a Warning Letter on dated March 25, 2011 to Soluble Products Co., LP, regarding serious violations of Current Good Manufacturing Practices (cGMPs) in its production of Revival brand products.

Recalls & Warnings

November 21, 2014

Seller of "Ebola" Supplement Warned for Drug Claims

On November 18, 2014, the FDA issued a warning letter to the seller of dietary supplement Ebola-C, following a review of the company's website, www.ebola-c.com, which found statements made about the product to be drug claims.

Recalls & Warnings

August 24, 2012

Protein Shots, Drinks and Gelatin Recalled For Potential Botulism Contamination

On August 17, 2012, Protica Inc.

Recalls & Warnings

March 06, 2015

Most Milk Free of Drug Residue, FDA Study Shows

On March 5, 2015, the FDA announced that more than 99% of milk samples tested in the U.S. were found to be free of drug residues of concern.

Recalls & Warnings

August 03, 2018

Vanilla Almond Breeze Almond Milk Recalled

On August 2, 2018, HP Hood LLC issued a recall of half-gallon (1.89 L) cartons of refridgerated Vanilla Almond Breeze almond milk because the product may contain milk, an allergen not listed on the label.

Recalls & Warnings

March 06, 2015

Seller of Tea Drinks Warned for Drug Claims

On February 26, 2015, the FDA issued a warning letter to the seller of Anamu CancerHerb Tea Box, Anamu CancerHerb Tea Box with Honey and Organic Bottled Tea Drinks because statements made about these products on the websites, www.cancerherbtea.com and www.anamucancerherbtea.

Recalls & Warnings

February 17, 2015

Seller of Muscle Supplements Containing Synthetic Steroids Warned

On February 9, 2015, the FDA issued a warning letter to A2Z Industries, LLC, following a facility inspection which found the company's muscle enhancing supplements, including HaloV and EPI2A3A to be labeled as containing synthetic steroids.

Recalls & Warnings

January 21, 2015

Smoothie Blends Recalled Due to Potential Listeria Contamination

On January 18, 2015, Inventure Foods, Inc. issued a recall of RADER FARMS Fresh Start Smoothie Blend, Fresh Start Sunrise Refresh Fusion, and Fresh Start Daily Power Fusion, because they have the potential to be contaminated with Listeria monocytogenes.

Recalls & Warnings

December 22, 2014

Nutrition Bars Recalled Due to Potential Salmonella Contamination

On December 19, 2014, Perfect Bar & Company issued a recall of certain lots of Peanut Butter and Cranberry Crunch Nutrition Bars because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

November 21, 2014

Seller of Silver Supplement Warned for Claiming to Treat Ebola and Other Viruses

On November 19, 2014, the FDA issued a warning letter to LifeSilver.com, following a review of the website, which found statements made about Silver sol to be drug claims.

Recalls & Warnings

May 23, 2015

Colostrum Supplement Recalled

On May 14, 2015, the Natural Creations issued a recall of a small quantity of Natural Creations New Zealand Colostrum because the label does not state that the product is milk-based.

Recalls & Warnings

March 17, 2015

Seller of Tea Warned for Drug Claims

On March 4, 2015, the FDA issued a warning letter to Four Elements Organic Herbals, LLC because statements made about HERBAL TEA Power, Energy & Stamina, ORGANIC HERBAL TEA Tulsi TelepaTea, ORGANIC HERBAL TEA To Your Health, Hawthorn Fresh Herb Extract, Elderberry Fresh Herb ...

Recalls & Warnings

June 09, 2016

Nature Made Multis and B Complex Recalled Due to Salmonella, Staph Risk

On June 8, 2016 Pharmavite LLC issued a recall of the following Nature Made® multivitamin and B complex supplements because they have the potential to be contaminated with Salmonella or Staphylococcus aureus:

Recalls & Warnings

June 02, 2016

Clif Bars Recalled Due to Listeria Risk

On June 2, 2016, Clif Bar & Company issued a recall of certain energy and trail mix bars because they contain sunflower kernels which have the potential to be contaminated with Listeria monocytogenes. 

Recalls & Warnings

May 06, 2017

Herbalife Protein Bar Recalled

On May 1, 2017, Herbalife issued a recall of certain lots of its Protein Bar -- Peanut Butter nutrition bars because it may contain a trace amount of fish gelatin which contains a small amount of parvalbumin, a fish allergen.

Recalls & Warnings

April 01, 2017

Nutrition Bar Recalled Due to Allergen Risk

On March 30, 2017, Lifestyle Evolution issued a recall of one shift of NuGo Slim Crunchy Peanut Butter nutrition bars because a product with a milk allergen was incorrectly packaged into some NuGo Slim Crunchy Peanut Butter wrappers and cartons.

Recalls & Warnings

March 28, 2017

Yogurt Peanut Crunch Bars Recalled Due to E. Coli Risk

On March 23, 2017, Pro Sports Club of Bellevue, WA issued a recall of 36,957 20/20 Life Styles Yogurt Peanut Crunch bars because they have the potential to be contaminated with Escherichia coli O157:H7.

Recalls & Warnings

February 06, 2015

Seller of Aloe Supplement Warned for Drug Claims

On January 21, 2015, the FDA issued a warning letter to Pristine Nutraceuticals, LLC, following a review of the company's website, http://www.digestaqure.com, which found statements made about DigestaCure to be drug claims.

Recalls & Warnings

May 29, 2014

Chia Powders and Smoothies Recalled Due to Salmonella Risk

On May 28, 2014, Navitas Naturals issued a voluntary recall of products containing its organic sprouted chia seed powder because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

February 07, 2012

Drug-Laced Supplements and Drink Mixes Recalled

According to the U.S. FDA, on February 3, 2012 Healthy People Co. announced a voluntary nationwide recall of several dietary supplements sold as capusules, drinks, and shake mixes. The supplements were found to contain drug substances and pose risks.

Recalls & Warnings

September 26, 2014

Sellers of Essential Oils Warned for Claiming to Treat Ebola, Other Diseases

On September 22, 2014, the FDA issued a warning to Young Living following a review of websites, Pinterest, Facebook and Twitter accounts owned by Young Living distributors, which found statements made about the company's essential oils, including Thieves, Cinnamon Bark, Oregano, ImmuPower, ...

Recalls & Warnings

September 26, 2014

Seller Warned for Promoting Essential Oils to Treat Flu, MRSA, Measles and More

On September 22, 2014, the FDA issued a warning to doTERRA International, LLC.

Recalls & Warnings

January 24, 2003

FTC Challenges Weight-loss Claims for Slim Down Solution

The Federal Trade Commission today charged Slim Down Solution, LLC, Maderia Management, Inc., and several related companies and individuals with using false and unsubstantiated claims in the marketing and advertising of "Slim Down Solution" - a purported weight-loss product.