Reviews and Information for ALA (alpha-linolenic acid)
Black Currant, Borage, Evening Primrose, Flax and Hemp Oil Review
Find the best flaxseed oil, evening primrose oil, borage oil, hemp oil, and black currant oil supplements (sources of omega-3 and omega-6 fatty acids), evidence for use for lowering cholesterol, triglycerides and blood pressure, potential skin benefits and more. Find out which ones passed our tests and why.
Black Currant, Borage, Evening Primrose, Flax and Hemp Oil Review ReviewSearch term may appear only in full report available to members. Join now for full access.
Product Review
Alpha-Lipoic Acid Supplements Review
Choose the Best Alpha-Lipoic Acid Supplement — See the Amounts of Active "R-Isomer" We Found

CL Answer
Is it better to take fish oil, flaxseed oil -- or both?
Fish oil and flaxseed oil -- how they are different, what they are used for, if and how they can help with arthritis, depression, lowering cholesterol & more.

CL Answer
I'm a vegan but my doctor wants me to take fish oil with EPA and DHA. Is there something I can take that would be as good as fish oil capsules but would satisfy the needs of a vegan?
Find out which vegan-friendly fatty acid supplements contain EPA and DHA and how they compare to fish oil.

CL Answer
I've tried a number of fish oil supplements, all of which make me nauseous. What is the best non-fish alternative? I am primarily interested in getting EPA.
Learn how to reduce fish oil side effects such as nausea and upset stomach.

CL Answer
I heard the S-form of alpha-lipoic acid is bad for me. Why is it in my supplement?
Learn more about R-form alpha-lipoic acid and S-form alpha-lipoic acid and their activity, as described by experts at ConsumerLab.com.

CL Answer
Do any supplements, like Nervive, help with nerve pain, like sciatica, diabetic neuropathy or postherpetic neuralgia?
Find out which supplements for nerve pain, including fish oil and alpha-lipoic acid, are effective for sciatica, diabetic neuropathy, or postherpetic neuralgia.

CL Answer
Is canola oil good or bad for you? I heard it can be toxic.
Find out if canola oil is bad for you or good for you, and whether it helps heart health. Clinical evidence and how it compares to other oils.

CL Answer
Top 8 vitamins and nutrients for vegetarians and vegans
Find out which 8 supplements may be needed by vegetarians or vegans to meet all their daily nutrient requirements and learn ways to find supplements that do not contain ingredients objectionable to people following vegetarian or vegan diets.

Product Review
Black Seed Oil Review
Find Out Which Black Seed Oil Supplements Passed or Failed Our Tests. See Our Top Picks.

Product Review
Whole, Ground, Milled, and Cracker Flaxseed Review
High Levels of Cadmium Found in Flaxseed Products — Testing Expanded

Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins -- Caution with Gummies

Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead

Clinical Update
8/22/2014
Flaxseed Lowers Blood Pressure
Consuming milled flaxseed significantly lowered blood pressure in people with peripheral arterial disease, according to a recent clinical trial. Additional analysis of those results suggests the alpha-linolenic acid (ALA) -- an omega-3 fatty acid -- in flaxseed may be responsible for the effect. Get the details, including the amount of flaxseed used, plus our tests of flaxseed, evening primrose, borage, and other seed oils containing ALA and GLA, in the updated Flaxseed Oil, Evening Primrose Oil, Borage Oil, and Black Currant Oil Supplements Review >>
CL Answer
Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example?
Find out which fats and oils, such as coconut oil and fish oil, lower cholesterol and lower the risk of cardiovascular disease.

Product Review
Chia Seed Review — Whole, Ground, and Sprouted Seed, Seed Flour, & Supplements
Find the Best Chia Seeds, Sprouted Chia Powder, Flour, and Chia Supplements. Tests and Reviews of Chia Seeds & CL's Top Picks.

Product Review
CLA (Conjugated Linoleic Acid) Supplements Review (for Slimming)
Choose the Best CLA Supplement. Not All CLA Supplements Contain What You Expect.

Product Review
Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)
Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.

Product Review
Reishi Mushroom Supplements Review
Find the Best Reishi Mushroom Supplement. See How Reishi Supplements Differ.

Product Review
Vitamin E Supplements Review
Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.

Product Review
Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review
See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.

Product Review
Protein Powders, Shakes, and Meal Replacements Review
Find Out Which Protein Products Passed or Failed Our Tests

Product Review
Choline and Lecithin Supplements Review (Including Phosphatidylcholine, CDP-Choline, and Alpha-GPC)
Choose the Best Choline Supplement. Find Out How Much Choline Popular Supplements Really Provide.

Product Review
PQQ (Pyrroloquinoline Quinone) Supplements Review
Learn What PQQ Does and Which PQQ Supplements are Best

Product Review
Shelled Walnuts (Halves & Pieces)
See Our Top Picks for Walnuts

Product Review
Vitamin A Supplements Review, Including Beta-Carotene and Cod Liver Oil
Find the Best Vitamin A Supplement. Best Quality Vitamin A Supplements Identified, Including Cod Liver Oil.

Product Review
Digestive Enzyme Supplements Review
Big Differences in Strength Found Among Digestive Enzyme Supplements. CL Tests Reveal Which Are Best.

Product Review
Astaxanthin Supplements Review
See Which Astaxanthin Products Passed or Failed CL's Tests

Product Review
Tuna, Salmon, Sardines & Herring Review (Canned and Packaged)
Find Products With the Least Mercury and Most Omega-3s

CL Answer
Can I just stop taking alpha lipoic acid, or do I need to taper down?
Learn the best way to stop taking alpha lipoic acid supplements.

Product Review
Joint Health Supplements for Pets Review (Glucosamine, Chondroitin, MSM & Boswellia)
See Which Pet Supplements for Joint Health Passed Our Tests and Which Didn't!

Product Review
Alginate Supplements Review (For Reflux)
See Our Top Pick Alginate Supplements For Reducing Symptoms of Gastroesophageal Reflux (GERD)

Clinical Update
8/04/2023
Black Currant or Caffeine for Hair?
Does black currant seed oil, or its constituent gamma-linolenic acid (GLA), increase hair growth? Find out what research suggests in the GLA section of our ALA and GLA Supplements Review, which includes our Top Pick for black currant seed oil.
Also find out if applying caffeine to the scalp increases hair growth and reduces shedding in our article about supplements and topicals for hair.
CL Answer
I've read that the best form of vitamin E is d-alpha tocopheryl succinate (it's recommended in the paleo diet, for example), but I don't see that listed on product labels. How can I find it?
Learn more about the different names and types of vitamin E, including d-alpha tocopheryl succinate, natural and synthetic.

Product Review
Glutathione Supplements Review
Learn How Glutathione Products Differ, Which Failed, and Our Top Picks

News Release
January 23, 2025
ConsumerLab Tests Identify Best Black Currant, Borage, Evening Primrose Flax and Hemp Oils
White Plains, NY, January 23, 2025 — Black currant, borage, evening primrose, flax, and hemp oils contain omega-3, -6, and/or -9 fatty acids that, when replacing saturated fats in the diet, may help reduce cardiovascular risk.
CL Answer
Hemp Seeds: Health Benefits, Safety, and What To Consider When Picking a Product
Hemp seeds are promoted for heart health, diabetes, boosting testosterone, and other conditions, but do they work? Find out and learn about potential safety concerns.

News Release
January 09, 2025
Not All Black Seed Oil Supplements Contain What They Claim, According to ConsumerLab
White Plains, NY, January 9, 2025 — Black seed oil and extract supplements are promoted for controlling blood pressure, cholesterol, blood sugar, and arthritis pain, and more.
CL Answer
Which supplements reduce hearing loss?
Can supplements such as alpha-lipoic acid, magnesium, N-acetyl-cysteine, folate or vitamins B-12, C and/or E help prevent or improve symptoms among people with hearing loss due to excessive noise or aging? Find out what the clinical evidence shows, and learn whether Advanced Hearing Formula, a supplement marketed for ear health, is likely to help.

CL Answer
What is C15:0 fatty acid (found in fatty15), and does it have health benefits?
C15:0 fatty acid in fatty15 is promoted for “healthier hair & skin, balanced metabolism, and deeper sleep,” as well as “slowing the aging process.” Find out if it works.

CL Answer
Do "Mr. Happy Stack" supplements improve memory, cognition and mood, and are they safe?
Find out if Happy Stack supplements really work to enhance memory and cognition, plus safety and side effects. ConsumerLab.com's answer explains.

News Release
December 07, 2023
Best Shelled Walnuts According to ConsumerLab Tests
White Plains, New York, December 7, 2023 — Fresh walnuts are rich in healthful, unsaturated fats, protein, fiber, and certain vitamins and minerals, but how fresh and pure are packaged, shelled walnuts? And does higher cost guarantee better quality or taste? To find out, ConsumerLab recently ...
CL Answer
Which supplements may help with PCOS (polycystic ovarian syndrome)?
Many supplements are promoted to help treat symptoms of PCOS (polycystic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.

News Release
August 09, 2023
ConsumerLab Tests Alpha Lipoic Acid Supplements and Selects Top Picks
White Plains, New York, August 9, 2023 — Alpha-lipoic acid supplements may modestly improve insulin sensitivity and blood sugar control, reduce symptoms of peripheral neuropathy, and aid in weight control when combined with a low-calorie diet.
News Release
October 06, 2022
Lion’s Mane and Chaga Supplement Labels May Mislead, According to ConsumerLab Tests
White Plains, New York, October 6, 2022 — Lion’s mane and chaga supplements are often promoted to improve memory and mood, boost the immune system, and a range of other health benefits.
CL Answer
Is it safe to chew softgel supplements instead of swallowing them? Does this affect absorption of the ingredients?
Find out if it is safe to chew softgel supplements, instead of swallowing them, and if this affects absorption of the ingredients.

CL Answer
Does Alpha Brain really improve memory, focus and cognition?
Find out if Alpha Brain really improves memory, focus and cognition. See the clinical evidence and get details about Alpha Brain ingredients, as well as potential side effects and drug interactions. ConsumerLab.com's answer explains.

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.

Clinical Update
11/06/2018
Flaxseed Oil for High Blood Pressure?
Does flaxseed oil (which is rich in the omega-3 fatty acid ALA) help lower blood pressure in people with high blood pressure? Learn what a recent study found in the What It Does section of the Flaxseed Oil Review. (Also see our Top Picks for flaxseed and other seed oils.)
Clinical Update
7/06/2022
Walnuts for Omega-3s?
Walnuts are often touted as a good source of the omega-3 fatty acid ALA, but can eating walnuts regularly increase blood levels of DHA and EPA (the omega-3s in fish oil)? Find out in the What It Is section of our Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review.
Clinical Update
4/30/2020
Alpha Lipoic Acid and Reflux
A CL member reported experiencing acid reflux when using alpha lipoic acid. This effect has been reported in clinical studies with higher doses -- which is not surprising consider that alpha lipoic acid is, after all, an acid. Ways to avoid this issue are discussed in the Concerns and Cautions section of the Alpha Lipoic Acid Supplements Review. Also see our Top Picks for alpha lipoic acid.
News Release
August 15, 2020
ConsumerLab Tests Show Not All Vitamin E Supplements Contain What They Claim
White Plains, New York, August 15, 2020 — Vitamin E is an antioxidant that helps to maintain the integrity of cells.
CL Answer
Does Qualia Mind boost memory and mental function and is it worth cost?
Learn about the ingredients in Qualia Mind, whether or not we think the formula works and is safe, and if we think it's worth the cost.

Clinical Update
7/28/2020
Can Alpha-Lipoic Acid Lower Weight?
Alpha-lipoic acid was given to overweight men and women for 24 weeks in a recent study. Find out if it lowered weight and triglyceride levels in the What It Does section of the Alpha Lipoic Acid Supplements Review. Also see our Top Picks for alpha-lipoic acid.
Clinical Update
2/28/2015
Alpha Lipoic Acid Improves Results When Dieting
Women who took alpha lipoic acid while dieting lost significantly more weight and body fat than those who only reduced their calorie intake, according to a new study. For the dose, how it was taken, plus our tests of popular alpha lipoic acid products, see the Alpha Lipoic Acid Review >>
Clinical Update
10/19/2021
Alpha Lipoic Acid for Pain?
Can taking alpha-lipoic acid decrease nerve, muscle or joint pain? See what a new study found in the What It Does section of our Alpha Lipoic Acid Review. Also see our Top Picks for alpha-lipoic acid.
Clinical Update
2/27/2024
Alpha Lipoic Acid & Fatty Liver Disease
Does alpha lipoic acid help with metabolic fatty liver disease? See what research shows in our Alpha Lipoic Acid Supplements Review. Also see our Top Picks among alpha lipoic acid supplements.
Clinical Update
4/26/2024
Alpha-Lipoic Acid for Nerve Pain?
Is alpha-lipoic acid as effective as pregabalin (Lyrica) in reducing the pain of peripheral neuropathy? Learn what a recent study found in the What It Does section of our Alpha-Lipoic Acid Supplements Review, which includes our Top Pick for alpha-lipoic acid.
Also see: Do any supplements, like Nervive, help with nerve pain, like sciatica, diabetic neuropathy or postherpetic neuralgia?
Clinical Update
7/09/2024
Alpha-Lipoic Acid & Low Blood Sugar
Although rare, alpha-lipoic acid may trigger an autoimmune condition that causes low blood sugar, as highlighted in a recent case. Learn more in the Concerns and Cautions section of our Alpha-Lipoic Acid Supplements Review, which includes our Top Picks among alpha-lipoic acid supplements.
Clinical Update
3/20/2025
Alpha-Lipoic Acid & Dental Fillings
Is there a risk taking alpha-lipoic acid if you have mercury-containing dental fillings? Find out in the Cautions and Concerns section of our Alpha-Lipoic Acid Supplements Review, which includes our Top Picks for alpha-lipoic acid.
CL Answer
Can any vitamins or minerals help prevent or reduce canker sores or cold sores?
Find out which, if any, supplements, including iron, L-lysine, monolaurin, olive leaf extract, vitamin B-12, and zinc, may be beneficial for canker sores or cold sores.

Clinical Update
10/20/2021
Alpha Lipoic Acid Concern
Although rare, use of alpha-lipoic acid may trigger autoantibodies to insulin. Be aware of this and other potential side effects of alpha-lipoic aid use, which are discussed in the Concerns and Cautions section of our Alpha Lipoic Acid Review.
News Release
March 03, 2020
Best and Worst Chia Seed Products Revealed by ConsumerLab
White Plains, New York, March 3, 2020 — Chia seeds are rich in fiber and a good source of healthful oils, particularly the omega-3 fatty acid ALA (alpha-linolenic acid), as well certain vitamins and minerals.
CL Answer
Which supplements can help lower my triglycerides?
Find out whether fish oil supplements, or plant-based oil supplements, such as flaxseed oil and echium oil are best for lowering triglyceride levels. ConsumerLab.com's answer explains.

CL Answer
Can heat and humidity destroy whey protein and other sports nutrition supplements (e.g., creatine, BCAAs, digestive enzymes) during shipping or while storing at home?
Find out if heat and humidity can degrade creatine, BCAAs, digestive enzymes, and other muscle enhancing supplements.

Clinical Update
1/31/2014
Fish Oil / Alpha-Lipoic Acid for Alzheimer's
A new study found that fish oil and alpha-lipoic acid can slow cognitive and functional decline in people with Alzheimer's disease. Get the details in the Fish/Marine Oil Supplements Review >> and the Alpha-Lipoic Acid Supplements Review >>
Clinical Update
6/12/2019
Reaction to CoQ10 and Alpha-Lipoic Acid
An autoimmune syndrome possibly caused by CoQ10 was recently reported. It is similar to rare cases caused by alpha-lipoic acid. For details see the updates to the Concerns and Cautions sections of the CoQ10 and Alpha Lipoic Acid Reviews.
Clinical Update
1/21/2022
Seller of Carnitine and Alpha Lipoic Acid Warned by FDA
FDA Warns Seller of Carnitine and Alpha Lipoic Acid
Clinical Update
8/28/2020
Acetyl-L-carnitine + Alpha-Lipoic Acid for Lowering Blood Pressure?
We were recently asked if taking a combination of acetyl-L-carnitine and alpha-lipoic acid can help lower blood pressure. Find out what research shows in the What It Does section of the Acetyl-L-Carnitine Supplements Review. Also see our answer to the question: Which supplements can help to lower blood pressure?
Clinical Update
5/31/2023
Alpha Hydroxy Acid for Dry Skin?
Do alpha hydroxy acids (AHAs) help or hurt dry skin? Find out in our updated article about finding soaps that won’t irritate skin.
Clinical Update
7/18/2023
Caution with Wrinkle Creams
Be aware of skin reactions to creams containing alpha-lipoic acid. See the Concerns and Cautions section of our Alpha-Lipoic Acid Review for details.
CL Answer
Where to Safely Buy Real Water Filters Online, Not Fakes or Counterfeits
ConsumerLab explains how to avoid counterfeit water filters when shopping online on Amazon, Walmart.com, and other sites. Learn to identify authorized sites and sellers and avoid fake filters. Use the brand-by-brand guide to protect yourself from risk.

CL Answer
Which supplements help reduce the risk of colorectal cancer?
Find out which supplements may reduce the risk of colorectal cancer, including folate, fiber, selenium, and vitamin D.

News Release
November 27, 2017
Flaxseed and Other Popular Omega 3 & 6 Oil Supplements Tested, But Not All Brands Pass -- Tests of Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements
White Plains, New York, November 27, 2017 — Flaxseed oil and other popular seed oil are popular supplements that provide omega-3 and omega-6 fatty acids and may help with inflammatory conditions. But which seed oil supplements are the best? To find out, ConsumerLab.
CL Answer
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements or foods I should avoid, or be taking, due to this drug?
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.

News Release
September 11, 2017
ConsumerLab.com Tests L-Arginine "Blood Flow" Supplements, Identifying Its Top Picks
White Plains, New York, September 11, 2017 — L-arginine supplements are often promoted to increase exercise endurance, reduce symptoms of congestive heart failure and other cardiovascular conditions, and improve sexual function.
CL Answer
Does AHCC or active hexose correlated compound have anticancer or antiviral benefits, and is it safe?
Learn about AHCC and active hexose correlated compound, including whether these compounds are beneficial for liver, pancreatic, or prostate cancer, chemotherapy-related side effects, or the flu. Also, find out if AHCC or active hexose correlated compound are safe.

CL Answer
Is there a danger in taking lecithin or phosphatidylcholine? I heard that they may increase the risk of heart attacks.
Lecithin, phosphatidylcholine and choline - Learn more about the potential link between them and cardiovascular disease.

News Release
February 03, 2017
ConsumerLab.com Shows How Much Choline is Really in Supplements -- ConsumerLab.com Tests Phosphatidylcholine (From Soy Lecithin), Citicoline, Alpha-GPC and Other Choline-Containing Supplements, Identifying Top Picks
White Plains, New York, February 3, 2017 — Choline is an essential nutrient important for liver and brain function. It can be obtained from the diet and most people also produce significant amounts in their bodies.
CL Answer
What are "broad-spectrum micronutrient" supplements, and do they have greater health benefits than multivitamin/multimineral supplements?
Learn about "broad-spectrum micronutrients" and how they compare to multivitamin/multimineral supplements.

CL Answer
Is MitoQ a better form of CoQ10?
MitoQ information, including how it is absorbed in the body and how it compares to CoQ10.

Clinical Update
9/28/2021
Supplements During Chemotherapy?
If you are getting chemotherapy, experts now recommend avoiding acetyl-L-carnitine. Also, see what they have to say about using alpha-lipoic acid, vitamin B-12 and vitamin E.
CL Answer
Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?
Find out if supplements such as turmeric, fish oil, MSM (methylsulfonylmethane), SAMe (S-adenosyl-methionine), boswellia, ginger, white willow bark or arnica may, or may not, be helpful to people sensitive to NSAIDs.

CL Answer
Do any supplements help with fatty liver disease? Are some diets more beneficial than others?
Find out if supplements such as vitamin E, fish oil, milk thistle, curcumin, choline, probiotics, vitamin D, reishi mushroom, or extra virgin olive oil are beneficial for fatty liver disease and learn which diet (Mediterranean, ketogenic, DASH, or fasting diets) seems to have greatest benefit.

CL Answer
L-Tyrosine: Health Effects and Safety
Tyrosine has been evaluated for conditions including physical and mental stress, phenylketonuria (PKU), depression, and attention deficit-hyperactivity disorder (ADHD). Find out if it works and if it's safe.

CL Answer
Are supplements such as Thyroid Care Plus helpful for hypothyroidism? Can supplements worsen thyroid function? And what is nascent iodine?
Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.

News Release
December 06, 2016
Which Brands of Alpha Lipoic Acid are Best? -- ConsumerLab.com Tests Lipoic Acid Supplements for Quality, Identifying Top Picks
White Plains, New York, December 6, 2016 — Alpha-lipoic acid supplements may improve insulin sensitivity and blood sugar control in people with type 2 diabetes, reduce symptoms of diabetic peripheral neuropathy, and enhance weight loss when dieting.
CL Answer
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
Learn more about the benefits of getting vitamins from food versus supplements, natural versus synthetic vitamins, and more.

CL Answer
Can supplements, natural eye drops, or lifestyle modifications improve symptoms of dry eye?
Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit. Also, learn if drinking more water or using eye drops containing castor oil, N-acetylcarnosine or aloe can help with dry eye.

Clinical Update
6/08/2021
GLA for Inflammation?
Can taking GLA (gamma-linolenic acid) supplements help reduce inflammation? Find out in our answer to the question: Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?
Clinical Update
2/26/2012
CLA For Weight Management
A new study in obese individuals found that taking a supplement with CLA (conjugated linoleic acid) for twelve weeks reduced body fat and, to a lesser degree, body weight. But CLA has other metabolic effects that need to be considered. See the update to the CLA Supplements Review which has details on dosage and potential side effects, as well as our product tests. More >>
News Release
May 07, 2014
Flaxseed and Other Popular Seed Oil Supplements Tested by ConsumerLab.com, But Not All Brands Pass -- Flaxseed, Black Currant, Borage and Evening Primrose Oils Reviewed
White Plains, New York, May 7, 2014 — Plant seed oils are popular supplements that provide omega-3 and omega-6 fatty acids, but which products offer the best value and quality? Recent analyses by ConsumerLab.
Clinical Update
9/13/2024
Alpha-GPC and Stroke Risk?
Does alpha-GPC, a source of choline, increase stroke risk or blood levels of TMAO (which has been linked with adverse cardiovascular effects)? Find out in our article about choline and TMAO.
News Release
June 18, 2012
What is "Natural" Vitamin E? It Depends On the Brand Selling It, Finds ConsumerLab.com -- New Review of Vitamin E Supplements, Oil and Cream, Including Tocopherols and Tocotrienols
White Plains, New York, June 18, 2012 — What is in a "natural" vitamin E supplement, cream, or oil? According to recent tests by independent evaluator, ConsumerLab.com, this depends completely on the brand selling it.
News Release
September 21, 2011
Not all vitamin A supplements pass ConsumerLab.com tests -- New report reviews beta-carotene and cod liver oil supplements
White Plains, New York — September 21, 2011 — Recent tests of vitamin A supplements by ConsumerLab.com found one to contain only 54.3% of its listed amount of vitamin A. Another product mislabeled alpha carotene as vitamin A.
News Release
January 11, 2011
Spoilage and labeling errors found with some omega-3 and -6 supplements; Review of evening primrose, flaxseed, borage, and black currant oil supplements
WHITE PLAINS, NEW YORK — JANUARY 10, 2011 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Only 11 of 17 products selected for testing met quality criteria for freshness and labeling.
News Release
January 20, 2010
ConsumerLab.com finds quality of most CLA supplements for slimming to be high; One brand mislabeled -- Report is first published in series on supplements for weight loss and slimming
ConsumerLab.com Finds Quality of Most CLA Supplements for Slimming to be High; One Brand Mislabeled
News Release
October 07, 2009
ConsumerLab.com finds that only two-thirds of alpha-lipoic acid supplements selected for testing pass quality review -- Anti-oxidant supplements helpful to diabetics
White Plains, New York — Wednesday, October 7, — Alpha-lipoic acid (also called lipoic acid) is a natural anti-oxidant that can help diabetics reduce symptoms of peripheral neuropathy and control blood sugar, among other uses. ConsumerLab.
News Release
December 10, 2007
ConsumerLab.com finds improvement in quality of omega-3 and -6 supplements — Results for 22 products made from evening primrose, flaxseed, borage and black currant oils
WHITE PLAINS, NEW YORK — DECEMBER 10, 2007 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Two products were slightly low in one fatty acid, but this is an improvement over results from ConsumerLab.
News Release
May 15, 2007
ConsumerLab.com finds some alpha lipoic acid supplements come up short — Improper formulation may cause ingredient degradation
WHITE PLAINS, NEW YORK — May 15, 2007 — ConsumerLab.com announced that two of eleven alpha lipoic acid supplements that it recently chose to test contained significantly less ingredient than promised on their labels.
Recalls & Warnings
February 05, 2025
Muscle Tech Alpha Test Recalled
On December 18, 2024, Iovate Health Sciences USA Inc. recalled 10 lots (163,248 units) of Muscle Tech Alpha Test capsules because they contain cathine, a controlled substance that can cause serious adverse effects.
News Release
April 24, 2007
ConsumerLab.com reports improvement in quality of SAM-e supplements used for osteoarthritis and depression — Recent testing shows quality is up since studies in 2000 and 2003
WHITE PLAINS, NEW YORK — April 24, 2007 — ConsumerLab.com announced that all eight SAMe supplements that it recently selected for review passed quality testing — an improvement over tests in previous years. SAMe (S-adenosyl-methionine) is used to treat depression and joint pain.
Recalls & Warnings
January 04, 2020
Hormonal Balance Supplement Tied to Liver Failure
An otherwise healthy 23-year old woman in Texas is reported to have recently developed liver failure (requiring a liver transplant) after taking the supplement Balance (from Alani Nu) for four months.
Recalls & Warnings
January 19, 2022
FDA Warns Seller of Carnitine and Alpha Lipoic Acid Supplements
On November 18, 2021, the FDA issued a warning letter to GeroNova Research Inc.
News Release
November 13, 2006
Tests of "muscle" supplements finds some "weak" products but most contain expected creatine, HMB, or amino acids — Review of muscular enhancement supplements published by ConsumerLab.com
WESTCHESTER, NEW YORK — MONDAY, NOVEMBER 13, 2006 — Bodybuilders and athletes often turn to supplements to enhance muscle size and strength.
News Release
October 20, 2006
ConsumerLab.com report on CoQ10 supplements finds quality high but large range in suggested dosage
WHITE PLAINS, NEW YORK — OCTOBER 20, 2006 — New test results from ConsumerLab.com for CoQ10 supplements show that all of the products selected contained amounts of ingredient consistent with their labels.
News Release
August 31, 2005
ConsumerLab.com testing of alpha lipoic acid supplements from Japan finds no ingredient in one product; Most others meet claims — Japanese consumers urged to research product quality
WHITE PLAINS, NY — ConsumerLab.com reported this week that among nine brands of alpha lipoic acid supplements it recently purchased in Japan and tested, one contained none of the popular ingredient and another contained only 81%.
News Release
July 12, 2005
ConsumerLab.com finds some supplements lower in omega-3 and omega-6 fatty acids than claimed — Report available for 23 products made from oils of black currant, borage, evening primrose and flax
WHITE PLAINS, NY — July 12, 2005 — ConsumerLab.com has released its latest report on the quality of supplements made from the seed oils of black currant, borage, evening primrose, and flax.
Recalls & Warnings
June 30, 2020
FDA Warns Seller of Alpha Lipoic Acid, Berberine, and More
On June 18, 2020, the FDA issued a warning letter to Only Natural, Inc. dba Bio Nutrition, Inc.
Recalls & Warnings
February 13, 2014
Maker of Cholesterol and Workout Supplements Warned For Manufacturing Violations, Drug Claims and Unapproved Ingredient
On January 31, 2014, the FDA issued a warning letter to Exclusive Supplements Inc.
News Release
June 15, 2005
Two magnesium supplements fail testing due to lead contamination. Nineteen others pass. Report now available.
WHITE PLAINS, NY — JUNE 15, 2005 — ConsumerLab.com has released its latest report on the quality of magnesium supplements sold in the U.S. In addition to being an essential mineral, magnesium may help prevent migraine headaches, menstrual pain, PMS, and leg cramps during pregnancy.
News Release
May 10, 2005
ConsumerLab.com begins publishing test reports on Japanese vitamins and supplements — Review of CoQ10 products Now Available Online in Japanese at ConsumerLab.jp. More Reports Scheduled
— Review of CoQ10 Products Now Available Online in Japanese at ConsumerLab.jp. More Reports Scheduled — WHITE PLAINS, NY — MAY 10, 2005 — ConsumerLab.
News Release
April 27, 2005
ConsumerLab.com finds quality of most nutrition powders and drinks high, but identifies five protein powders with excess sodium or cholesterol — Report Now Available Online
WHITE PLAINS, NY — APRIL 27, 2005 — ConsumerLab.com has released its latest report on the quality of nutrition powders, shakes and drinks. These products are used for general nutrition, dieting, and meal-replacement and are frequently used by athletes and bodybuilders.
Recalls & Warnings
January 21, 2017
Seller of "Cancer Kits," Alpha Lipoic Acid Supplements and More Warned for Drug Claims
On December 22, 2016, the FDA issued a warning letter to Northern Health Products, Inc. following a review of the company's websites, www.northernhealthproducts.com and www.petdca.
Recalls & Warnings
August 14, 2023
Liver Injury Linked to "Immune Booster" Supplement Sold on Amazon
A 27-year-old woman in Pennsylvania was admitted to intensive care for drug-induced liver injury after taking Prodigy Life HRP-AID, a supplement sold on Amazon and promoted as an "immune system booster" to reduce the intensity and frequency of cold sore outbreaks, according to a ...
News Release
March 30, 2005
ConsumerLab.com finds most B-vitamins of high quality but three lacking in ingredients — Test Results for 41 Products Reported Along with Information on Use
WHITE PLAINS, NY — MARCH 30, 2005 — ConsumerLab.com reported test results today for B vitamin supplements that it recently purchased in the U.S. and Canada.
News Release
December 20, 2004
Testing of Alpha-lipoic acid supplements by ConsumerLab.com finds most meet label claims but one with only 15% of ingredient — Antioxidant of potential benefit in diabetes and other conditions
WHITE PLAINS, NY — December 20, 2004 — ConsumerLab.com announced today that one of 21 alpha-lipoic acid supplements recently tested contained only 15% of the alpha-lipoic acid that it claimed. Alpha-lipoic acid is an antioxidant naturally produced in the body.
News Release
December 14, 2004
ConsumerLab.com finds Omega-3 fish oil supplements safer than fish but quality varies among brands — Test of 41 Supplements Finds No Mercury or PCB Contamination, But Some Spoiled or Lacking Claimed Oils
WHITE PLAINS, NY — Tuesday, December 14, 2004 — ConsumerLab.com announced today that tests of 41 omega-3 fish oil supplements (including 3 marketed for pets) showed safe levels of mercury and PCBs.
News Release
August 25, 2004
ConsumerLab.com finds not all vitamin E products meet claims — Results for 33 vitamin E supplements and skin products released today
WHITE PLAINS, NY — Wednesday, August 25, 2004 (Updated 10/24/04) — ConsumerLab.com announced today that five vitamin E products failed to pass recent testing for having either too little vitamin E and/or for containing synthetic vitamin E when claiming to be natural.
News Release
August 07, 2002
ConsumerLab.com finds some spoilage and inaccuracy among omega-3 and 6 supplements — List released of evening primrose, flaxseed and other GLA/ALA products that passed testing
WHITE PLAINS, NY — August 7, 2002 — ConsumerLab.com, an independent evaluator of health and nutrition products, released results today of its Product Review of Black Currant, Borage, Evening Primrose, and Flaxseed Oils: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids).
Recalls & Warnings
May 11, 2022
FDA Warns 10 Companies for Selling Workout Supplements With Dangerous Ingredients
On May 4, 2022, the FDA issued warning letters to 10 companies for selling products promoted for muscle building, fat burning and other uses that contain potentially dangerous ingredients not permitted in dietary supplements, including hordenine, higenamine, 5-alpha-hydroxy-laxogenin, and CBD.
News Release
March 05, 2002
ConsumerLab.com finds nutrition powders & drinks more accurately labeled than nutrition bars, but unapproved food ingredient seen in some
White Plains, NY -- March 5, 2002 — ConsumerLab.com announced today that 24 of 26 nutrition powders and drinks that it recently evaluated met their label claims for carbohydrates, fats, and proteins. This is in stark contrast to ConsumerLab.
Recalls & Warnings
July 20, 2021
Alpha Male Plus Recalled
On July 16, 2021, Alpha Male Plus issued a recall of Alpha Male Plus Male Enhancer fruit chews because FDA analysis found them to be contaminated with tadalafil.
Recalls & Warnings
April 26, 2013
Seller of Immune, Cholesterol, Liver and Blood Sugar Products Warned For Drug Claims
On March 20, 2013, the FDA issued a warning letter to Birkdale Medicinals LLC, following a review of the company's website which found statements made about Birkdale products, including Immune Response 247, Cholestat, Silymarin 81 and LevelStat, to be drug claims.
Recalls & Warnings
November 02, 2019
Brain Supplement Claims to Treat Brain Injuries, Alzheimer's Are Deceptive, Says FTC
On November 1, 2019 the FTC filed a lawsuit against Neora LLC (formerly Nerium International) for making false claims that the supplement Neora EHT (formerly called Nerium EHT) can treat concussions and chronic traumatic encephalopathy caused by repetitive brain trauma, Alzheimer's ...
Recalls & Warnings
September 15, 2022
FDA Warns Parents Not to Use Mother's Touch Infant Formula
On September 6, 2022, the FDA warned parents and caregivers not to buy or give Mother’s Touch Formula to infants.
Recalls & Warnings
December 15, 2020
FDA Warns Seller of Evening Primrose Oil and Beta Glucan
On December 2, 2020, the FDA issued a warning letter to Smoky Mountain Naturals, LLC following a review of the company's website, which found statements made about the company's products Evening Primrose Oil and Beta Glucan to be drug claims.
Recalls & Warnings
December 11, 2020
Goldenseal Recalled Due to Microbial Contamination
On December 4, 2020, WishGarden Herbs, Inc. issued a recall of 14 lots of Cord Care Powder and Goldenseal Powder because they were manufactured using ingredients that were potentially contaminated with the bacterium Cronobacter sakazakii.
Recalls & Warnings
September 08, 2020
Seller of "Diabetes Supplement" & More Warned for Drug Claims
On August 25, 2020, the FDA issued a warning letter to Nutritional Supplements Corporation Inc following a review of the company's website, which found statements made about some of the company's products, including Vitadone, Diabrex, and Viadevita to be drug claims.
Recalls & Warnings
August 20, 2020
Goldenseal Recalled Due to Microbial Contamination, One Death Reported
On August 17, 2020, Maison Terre issued a recall of all lots of organic Goldenseal Root Powder because recent testing found it has the potential to be contaminated with various microorganisms including Enterobacter cloacae, Cronobacter sakazakii, Cronobacter dublinensis, and others.
Recalls & Warnings
July 05, 2013
Seller of Vision Supplement Warned For Drug Claims
On June 25, 2013, the FDA issued a warning letter to Nutrient Synergy, Inc., following a review of the company's website which found statements made about the dietary supplement Nepretin to be drug claims.
Recalls & Warnings
January 24, 2020
Fat-Burning, Energy Supplement Linked to Heart Trouble
A 33-year-old woman in Australia developed cardiac ischemia (a lack of blood flow to the heart) after taking the "fat burning" supplement Alpha Lean-7, according to a recent report in the Journal of Sports Sciences.
Recalls & Warnings
June 27, 2017
Seller of Alpha Lipoic Acid, Cinnamon Supplements and More Warned For Manufacturing Violations
On May 1, 2017 the FDA issued a warning letter to Nature's Vision, Inc.
Recalls & Warnings
February 13, 2013
Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims
On January 29, 2013, the FDA issued a warning letter to M.D.R. Fitness Corp. following a facility inspection which found violations of good manufacturing practices which cause the company's products to be adulterated.
Recalls & Warnings
February 07, 2020
Cesium Salt Supplements Can Cause Heart Trouble, Death
On February 5, 2020, the FDA posted an alert warning consumers not to use dietary supplements containing cesium chloride or any other cesium salt.
Recalls & Warnings
September 10, 2012
Maker of Concussion Recovery Supplement Warned For Making Drug Claims
On August 28, 2012, the FDA issued a warning letter to Trinity Sports Group, Inc. after a review of the company's websites found statements about Neuro Impact Concussion Response Formula constituted drug claims not permitted on supplements.
Recalls & Warnings
November 02, 2012
Maker of Joint Health, Blood Sugar, Prostate, Ginkgo Supplements and More Warned For Drug Claims, Misbranding and Adulteration
On September 10, 2012, the FDA issued a warning letter to Global Source Management & Consulting for making drug claims about the following dietary supplements: Scientific Joint Program capsules, Alpha Lipoic Acid, Healthy Blood Sugar Diabetic Support, Dr.
Recalls & Warnings
September 26, 2012
Maker of Eye Health Supplements Warned for Drug Claims
On September 18, 2012, the FDA issued a warning letter to EyeScience Labs, L.L.C. because statements made about the company's Macular Health Formula, Dry Eye Formula and Diabetic Vision Formula supplements were found to constitute drug claims.
Recalls & Warnings
December 21, 2016
Seller of 5-HTP, Chromium, Curcumin and More Warned for Drug Claims
On December 1, 2016, the FDA issued a warning letter to Aurora Health and Nutrition following a review of the company's website, which found statements made about its products, 5-HTP, Alpha Lipoic Acid, the Argentyn 23 product line, Artecin 90 Vegetarian Capsules, ...
Recalls & Warnings
February 13, 2019
Supplements Promoted for Alzheimer's Disease and Dementia Sell "False Hope," Warns FDA
On February 11, 2019, the FDA warned consumers to beware supplements promoted to prevent or treat Alzheimer's disease or dementia.
Recalls & Warnings
November 21, 2017
Bones and Packaged "Bone Treats" Dangerous for Dogs
Giving your dog real turkey or chicken bones, or packaged "bone treats" could lead to serious injury or death, the FDA recently warned pet owners.
Recalls & Warnings
February 13, 2013
FDA Warns Maker of Weight Loss and Whey Protein Supplements For Manufacturing Violations and Misbranding
January 25, 2013, the FDA issued a warning letter to dietary supplement manufacturer SciLabs Nutraceuticals, following a facility inspection which found the company's dietary supplements and supplement ingredients, including N-Large 2, Flo-Gard AB, Nitrogen Glutamine capsules, Nutritech nutritional ...
Recalls & Warnings
December 13, 2013
Maker of Menopause Blend and Other Supplement Ingredients Warned by FDA of Violations
On November 21, 2013, the FDA issued a warning letter to Raw Deal, Inc.
Recalls & Warnings
September 05, 2014
Seller of "Nerve", "Cleanse" and Probiotic Supplements Warned for Drug Claims
On July 30, 2014, the FDA issued a warning letter to Plexus Worldwide, Inc., following a review of the company's website and product labels, which found statements made about Fast Relief, BioCleanse and ProBio5 to be drug claims.
Recalls & Warnings
January 24, 2013
Food for Health Warned for Manufacturing Violations and Drug Claims on Supplements
On October 5, 2012, the FDA issued a warning letter to Food for Health International, LLC following a facility inspection which found the company's products, including Activz brand Vitamin D, Potassium Iodine, Organic Vitamin C, Whole 9 (a fruit and vegetable meal replacement shake) Control and VMA ...
Recalls & Warnings
December 26, 2012
Seller of Blood Sugar, Depression and Sleep Supplements Warned For Making Drug Claims
On October 15, 2012, the FDA issued a warning letter to BioNeurix Corporation after statements found on the company's website, http://www.pharma-tree.com, were found to promote the dietary supplements Blood Sugar 360, Amoryn, Seredyn, and Mellodyn as drugs.
Recalls & Warnings
February 25, 2017
Radio "Infomercials" for Cognitive and Joint Health Supplements Deceived Consumers, Says FTC
On February 22, 2017, the Federal Trade Commission and the Maine Office of the Attorney General announced a complaint the marketers of CogniPrin and FlexiPrin, charging that they made misleading claims about the supplements in radio infomercials deceptively formatted as talk shows.
Recalls & Warnings
July 25, 2013
Beware of Dietary Supplements With Claims To Treat Diabetes, FDA Warns
On July 23, 2013, the FDA issued a warning to consumers not to buy or use dietary supplements that are promoted to treat diabetes.
Recalls & Warnings
November 02, 2012
Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims
On October 15, 2012, the FDA issued a warning letter to Ortho Molecular Products, Inc. for making drug claims about the following dietary supplements: Candicid Forte, Inflamma-bLOX, Lipitrol, Mucosagen, Prostatrol Forte, Resvoxitrol, Paracid Forte, VascuPak HTN and Lithium Orotate.
Recalls & Warnings
October 21, 2014
Seller of Weight Loss, Saw Palmetto Supplements and More Warned for Drug Claims
On October 9, 2014, the FDA issued a warning letter to Bethel Nutritional Consulting, Inc., following a review of the company's website which found statements made about 15 Day Detox Diet, Alpha Lipoic Acid. 300 mg.
Recalls & Warnings
May 07, 2012
FDA Warns Doctor Promoting Own Supplements Online as Treatments
On April 18, 2012 the U.S. Food and Drug Administration (FDA) sent a Warning Letter to Jacob Teitelbaum, M.D. of Fatigued to Fantastic, LLC regarding the promotion that company's products on its website www.endfatigue.com.
Recalls & Warnings
May 23, 2013
Maker of Liver Detox and Insulin Supplements Warned For Drug Claims
On April 24, 2013, the FDA issued a warning letter to Glucorell, Inc.
Recalls & Warnings
June 07, 2013
Seller of Red Rice Yeast With CoQ10, Respiratory Supplement And More Warned For Manufacturing Violations and Drug Claims
On February 25, 2013, the FDA issued a warning letter to Altasource, LLC, dba Meta Labs LLC, following a facility inspection which found the company's dietary supplements, including Respiratory Response, African Mango, Coffee Black Salve, Meta-Cell, Conjugated Linoleic Acid and Red Yeast Rice with ...
Recalls & Warnings
November 06, 2014
Seller of Cholesterol, Arthritis Supplements and More Warned for Drug Claims
On October 17, 2014, the FDA issued a warning letter to Vitamins Direct (USA) and Golden Pride, Inc., which distribute Flexezy and Physician's Signature brands of dietary supplements, following a facility inspection which found statements made about certain supplements to be drug claims.
Recalls & Warnings
July 11, 2017
FDA Warns Dr. Carolyn Dean of Drug Claims Made for Magnesium, Calcium & Other Mineral Supplements
On June 27, 2017, the FDA issued a Warning Letter to Dr. Carolyn Dean of New Capstone, Inc.
Recalls & Warnings
April 11, 2013
Glutathione Supplement Maker Warned For Manufacturing Violations and Drug Claims
On April 5, 2013, the FDA issued a warning letter to The Glutathione Corporation following a facility inspection which found the company's supplements, including Ultrathione 500 Glutathione, Ultrathione 1000 Sports Pack, Ultrathione Performance, Ultrathione Extreme Performance, Ultrathione Health ...
Recalls & Warnings
February 14, 2017
Life Extension Warned for Drug Claims
On February 1, 2017, the FDA issued a warning letter to Life Extension Foundation Buyers Club, Inc.
Recalls & Warnings
February 17, 2018
FDA Warns Seller Reishi Mushroom Supplements
On February 7, 2018, the FDA issued a warning letter to Reishi D. International, Inc., following a facility inspection which found the company's Reishi D.
Recalls & Warnings
September 28, 2017
Seller of Prostate, Reishi Supplements Warned for Manufacturing Violations
On September 11, 2017, the FDA issued a warning letter to Vicare International (USA), Inc.
Recalls & Warnings
August 29, 2017
FDA Warns Seller of Supplements for Allergies, Joint Pain, Bone Health, and More
On August 16, 2017, the FDA issued a warning letter to Total Nutrition, Inc.
Recalls & Warnings
July 18, 2017
Seller of "Super Strength Prostate Formula," Acai Berry Supplements & More Warned for Drug Claims
On June 30, 2017, the FDA issued a warning letter to Nature's Health Company, LLC, following a facility inspection and review of the company's website, www.natureshealthcompany.
Recalls & Warnings
July 12, 2017
More Bodybuilding Supplements Recalled
On July 11, 2017, Andropharm recalled two bodybuilding supplements, Sten Z and M1 Alpha, because these products contain derivatives of anabolic steroids.
Recalls & Warnings
October 24, 2012
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
On October 16, 2012, the FDA issued a warning letter to dietary supplement manufacturer Advanced Nutritional Technology Inc.
Recalls & Warnings
November 21, 2013
Sexual Enhancement Supplement Found To Contain Multiple Drugs
On November 21, 2013, the FDA warned consumers not to buy or use sexual enhancement supplement Alpha Male because it was found to contain multiple undeclared drugs, including aminotadalafil, sulfosildenafil, sulfoaildenafil, hydroxythiohomosildenafil, dimethylsildenafil, and sildenafil.
Recalls & Warnings
June 03, 2015
Maker of B-12 Energy Supplement Warned for Manufacturing Violations
On May 15, 2015, the FDA issued a warning letter to LiquidCapsule Manufacturing, LLC.
Recalls & Warnings
May 30, 2015
Seller of Supplements for Herpes, Prostate Cancer & More Warned for Drug Claims
On May 7, 2015, the FDA issued a warning letter to Strictly Health Corporation, following a review of the company's websites which found statements made about FENVIR, Prosta Pep and Tonalin brand CLA to be drug claims.