Reviews and Information for Collagen
Collagen Supplements
Find the best collagen supplement for wrinkles and joint pain based on independent testing and review by ConsumerLab.com. We analyzed and compared popular collagen hydrolysates providing collagen peptides from ingredients such as Verisol, and we reviewed the clinical research behind them. Also learn about collagen dosage and safety, and about UC-II cartilage.
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Product Review
Bone Broth Review
Find the Best Bone Broth. Find Out How Much Collagen and Sodium Is Really In Popular Bone Broths.
Product Review
Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)
One-Third of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and our Top Picks.
CL Answer
Does collagen taken as a supplement help with arthritis? I'm seeing it in products for joint health.
Learn more about collagen supplements, including evidence from clinical studies on arthritis and muscle strength and safety.
CL Answer
Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?
Find out if collagen & hyaluronic acid supplements really help for aging or wrinkled skin and for skin care.
CL Answer
Are there side effects from collagen supplements?
Find out if there are collagen side effects from supplements (collagen hydrolysate, collagen peptides, etc.) such as nausea, constipation, skin rash and others. ConsumerLab.com's answer explains.
CL Answer
What is UC-II and does it help joints?
What is UC-II (undenatured type 2 collagen - InterHealth Nutraceuticals) and do clinical studies show that it works for joint health?
CL Answer
Do Vital 3 collagen drops reduce joint pain?
Learn more about Vital 3 collagen drops withundenatured type II collagen, and if they can help joints move better and feel better.
CL Answer
Do collagen supplements impact cholesterol levels or reduce risk factors for atherosclerosis?
Collagen has been studied for its effects on cholesterol levels and atherosclerosis risk factors, but its effects are still not clear.
CL Answer
Does Arthrozene help with joint pain, and is it safe?
Arthrozene by Fisico is promoted for joint stiffness, soreness and discomfort. Find out if it is likely to help and if it is worth the cost.
CL Answer
Can collagen or gelatin (including gelatin capsules) be contaminated the infectious agent that causes "mad cow disease"?
Find out if collagen and gelatin (including gelatin capsules) derived from cows might be contaminated with the agent that causes "mad cow disease."
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.
News Release
February 25, 2024
Top-rated Vitamin and Supplement Brands and Merchants for 2024 Based on Consumer Satisfaction
White Plains, New York, February 25, 2024 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on over 10,000 responses collected in November/December 2023.
Clinical Update
2/22/2023
Fish Collagen?
A CL member asked whether fish or other marine sources of collagen are good alternatives to collagen from chicken, pigs, or cows, and if there are plant-based sources of collagen. Find out about fish collagen and learn about "plant-based" collagen boosters in our Collagen Supplements Review. Also see our Top Picks among collagen supplements.
CL Answer
Does silica have health benefits? What is BioSil, and can it really increase collagen production and strengthen hair, skin, nails and bones?
Information about the health effects of silica (silicon dioxide) and orthosilicic acid (an ingredient in BioSil), including whether these forms of silicon can really increase collagen production, thicken hair, strengthen nails & bones.
CL Answer
ConsumerLab’s Review of The 'Pause Nutrition Supplements by Dr. Mary Claire Haver – Are They Worth It?
Looking into The 'Pause Nutrition supplements by Dr. Mary Claire Haver? ConsumerLab examines the value of products like Omega-3 + Vitamin D3 & K2, Fiber GDX, Skin Boost Plus, and more. Find out if these supplements are worth the price and discover affordable alternatives.
CL Answer
Do hair loss supplements, such as Viviscal, Hair La Vie, and Nutrafol, or topical essential oils work?
Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.
Clinical Update
2/01/2020
Collagen for Knees?
Collagen supplements have been tested in many studies to reduce pain and/or improve function in osteoarthritic knees. A recent study focused on collagen peptides. Find out if they worked (and see the results for other collagen products) in the Joint Pain section of the Collagen Supplements Review. Also see our Top Picks for collagen supplements for joint pain and for wrinkles.
Clinical Update
10/15/2019
Collagen Peptides vs. Gelatin
It has been generally believed that amino acids are more bioavailable from hydrolyzed collagen (collagen peptides) than from gelatin (which is partially hydrolyzed collagen). A new study put this to the test. See what the researchers found in the What It Is section of the Collagen Supplements Review. Also see our Top Picks among collagen supplements.
CL Answer
Do any supplements reduce wrinkles, increase skin elasticity, or tighten the skin?
Learn about collagen, biotin, CoQ10, cocoa, soy isoflavones, phytoceramides, and other supplements for reducing wrinkles and improving aging skin.
CL Answer
Best Supplements to Prevent Age-Related Muscle Loss
Discover the top supplements to prevent age-related muscle loss after 60. Learn how protein, fish oil, vitamin D, and more can help maintain muscle strength and combat sarcopenia.
CL Answer
Can biotin supplements really strengthen nails or improve hair? Can other supplements help?
Learn more about strengthening brittle nails with vitamin B-7 (biotin), based on clinical evidence.
Clinical Update
3/10/2023
Collagen and Depression?
Can taking collagen cause depression? Find out, and learn about other potential side effects of collagen, in the updated Concerns and Cautions section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements.
Also see: What are the best supplements for depression and anxiety?
Clinical Update
3/14/2023
Collagen "Boosters"?
A CL Member asked if taking Essential Skin Food -- or other non-collagen products marketed for collagen production -- reduces wrinkles. Find out in the ConsumerTips section of our Collagen Supplements Review.
Also see our Top Pick collagen supplements for skin health and for joint pain.
Clinical Update
10/31/2023
Collagen Plus MSM for Skin?
Does taking MSM along with collagen reduce skin roughness or wrinkles as much as collagen without MSM? See what a new study found in the Aging skin and wrinkles section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements for skin.
Clinical Update
12/22/2023
Vegan Collagen?
Find out if VeCollal, a vegan collagen alternative, actually contains collagen and if there is evidence that it reduces wrinkles. Also see our Top Pick collagen supplement for skin.
Also, learn whether adding collagen to coffee is likely to reduce the heart benefits of coffee.
Clinical Update
9/09/2024
Best Source of Collagen?
What is the best source of collagen -- fish, porcine (pig), or bovine (cow)? See what a recent study found that compared how well each of these raised blood markers of collagen. It's in the What It Is section of our Collagen Supplements Review, which includes our Top Picks among collagen supplements.
Clinical Update
3/28/2020
Collagen for the Skin
Supplementing with collagen to improve aging skin is popular, but does it work? The latest study with collagen used a higher dose than other studies, but is a higher dose better? Find out in the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen for wrinkles and for osteoarthritis.
Clinical Update
12/24/2021
Does Collagen Increase Kidney Stone Risk?
A member asked whether supplementing with collagen increases the risk of kidney stones, since collagen can produce oxalates. Find out in the Concerns and Cautions section of our Collagen Supplements Review. Also, see our Top Picks for collagen supplements.
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.
CL Answer
Do any supplements help prevent or reduce eye floaters?
Find out eye floaters (vitreous floaters) be treated with supplements like vitamin C, lutein, ginkgo, milk thistle, collagen or hyaluronic acid, or with products such as VitreousHealth.
CL Answer
Does drinking coffee deplete vitamins or minerals, such as magnesium, in the body? Can adding magnesium or other minerals reduce the acidity or improve the flavor of coffee?
Coffee can reduce absorption or increase loss of certain vitamins and minerals. Find out which are affected, and what steps can be taken to reduce the effect of coffee on these nutrients.
Clinical Update
5/22/2018
Collagen for Ankle Pain and Sprains?
A new study investigated the effects of collagen supplementation on ankle stability, pain and sprains in athletes. Find out if it helped in the What It Does section of the Bone Broth Review (which includes information about collagen). (Also see how much collagen we found in popular bone broths, and our Top Picks among products).
Clinical Update
2/15/2020
Collagen for Sun Damaged Skin?
A study suggests that fish-derived collagen can improve sun-damaged skin. For details, including dosage, see the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen.
Clinical Update
9/03/2019
Collagen for Wrinkles?
A new study put a popular branded collagen ingredient to the test, measuring its effects on collagen content in the skin and on facial wrinkles, including wrinkles around the eyes. See the results in our updated answer to the question: Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?
Clinical Update
6/27/2020
Fish Collagen Allergy
Be aware that some people may be allergic to fish collagen even if they don't respond to common fish allergy tests, according to a recent study. Get the details in the Concerns and Cautions section of the Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.
Clinical Update
1/12/2020
Collagen vs. Whey for Muscle
Does taking collagen protein increase muscle as well as whey protein? Find out what a recent study showed in the "Building Muscle" sections of both the Protein Powders Review and the Collagen Supplements Review. Also see our Top Picks for protein powders and Top Picks for collagen.
Clinical Update
9/07/2021
Collagen for Wrinkles
Can taking hydrolyzed collagen in low daily doses reduce wrinkles and improve skin hydration in older women? Find out what a recent study showed in the What It Does section of our Collagen Supplements Review. Also, see our Top Picks among collagen supplements for skin wrinkles.
Clinical Update
9/17/2021
Can Collagen Lower Blood Sugar?
Can taking collagen supplements lower blood sugar levels? Find out what research suggests in the What It Does section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements.
Clinical Update
7/24/2021
Collagen for Joint Pain?
Can collagen supplementation reduce joint pain or stiffness in the knee, hip or wrist? See what a new study found in the Joint Pain section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements for joints and for skin.
Clinical Update
12/13/2020
Collagen for Wound Healing?
Can collagen supplements improve the healing of skin and tendon injuries? Find out in the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen.
Clinical Update
3/29/2022
Collagen for Joint Discomfort?
Can supplementing with low-dose collagen reduce joint pain in healthy older adults? Find out what a recent study showed in the Joint Pain section of our Collagen Supplements Review. Also see our Top Picks for collagen.
Clinical Update
12/20/2022
Collagen for Wrinkles?
How much did collagen supplementation reduce the severity of "crow’s feet" wrinkles around the eyes in a recent study? Find out in the Aging skin and wrinkles section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements for skin and for joints.
Clinical Update
1/17/2023
Adding Collagen to Coffee?
Some people supplement with collagen by mixing it in their coffee. Does that ruin the collagen? Find out in our updated CL Answer about the effects of coffee on nutrients. (Also see our Collagen Supplements Review, which includes our Top Picks among products.)
Clinical Update
8/19/2024
Collagen vs. Moisturizer?
Can taking collagen noticeably improve aged skin for people already using a daily moisturizer? Find out what a recent study showed in the Aging skin and wrinkles section of our Collagen Supplements Review, which includes our Top Picks for collagen supplements.
Also see: Does CoQ10 reduce wrinkles, increase skin elasticity, or tighten the skin? Are there any other supplements that can help?
Clinical Update
9/16/2024
Eggshell Membrane for Osteoarthritis?
Did taking an eggshell membrane supplement (a source of collagen) improve symptoms and joint space in people with knee osteoarthritis? Find out what a recent study showed in the Joint Pain and Function section of our Collagen Supplements Review, which includes our Top Pick collagen for joints and tendons as well as our Top Pick collagen for skin.
Clinical Update
9/26/2024
Collagen to Reduce Fatigue?
Did supplementing with collagen peptides reduce fatigue? Find out what a recent study showed in the Fatigue section of our Collagen Supplements Review, which includes our Top Picks for collagen.
Clinical Update
11/03/2023
Collagen For Bone Health?
Is there evidence that collagen peptides (as in Fortibone) strengthen bones? Find out in the bone health section of our Collagen Supplements Review. Also see our Top Picks for collagen for skin and joint health.
Also see: Do any supplements or diets help prevent or treat osteoporosis?
Clinical Update
7/11/2023
Does Collagen Affect Bone Tests?
Does collagen supplementation affect blood tests for osteoporosis? Find out in the Concerns and Cautions section of our Collagen Supplements Review, which includes our Top Picks among collagen supplements.
Also see: Which vitamins and supplements should be stopped before getting blood work and laboratory tests?
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.
CL Answer
Do any supplements help treat or reduce the pain of plantar fasciitis (heel pain)?
Plantar fasciitis causing heel pain has, in rare cases, been reported as a symptom of vitamin D deficiency. Other supplements that have been proposed to help include vitamin C, zinc, curcumin (from turmeric), bromelain, collagen and glucosamine. Find out what the evidence shows, and what other treatments may help.
CL Answer
Which vitamins and supplements should be stopped before getting blood work, laboratory tests, or medical imaging?
Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests, like bone scans and MRIs. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.
Product Review
Protein Powders, Shakes, and Meal Replacements Review
Find Out Which Protein Products Passed or Failed Our Tests
Clinical Update
Clinical Update
1/07/2020
Eggshell Membrane for Hair, Skin, Nails?
Does supplementing with eggshell membrane (which contains collagen and elastin) improve hair, skin, or nails? See what a recent study found in the What It Does section of the Collagen Supplements Review. Also see our Top Picks among collagen supplements.
Clinical Update
7/16/2019
Has UC-II Collagen Changed?
UC-II is an undenatured collagen that may reduce knee pain. However, one of the more recent studies reported that it contained much less collagen than reported in earlier studies. Has UC-II changed? Find out in our updated answer to the question: What is UC-II and does it help joints?
Clinical Update
10/11/2019
Eggshell Membrane for Bad Knees?
Eggshell membrane, which naturally contains collagen, was tested as a supplement to improve knee pain, stiffness, and function. Find out if it worked in the Joint Pain section of the Collagen Supplements Review. Also see our Top Picks for collagen.
Clinical Update
4/23/2021
Collagen and Breast Cancer?
Does supplementing with collagen increase the risk of breast cancer recurrence? Learn what the evidence shows in the Concerns and Cautions section of our Collagen Supplements Review.
Clinical Update
8/01/2023
Mad Cow Disease from Collagen or Gelatin?
Can collagen or gelatin (including gelatin capsules) be contaminated with the infectious agent that causes "mad cow disease"? Find out. Also see our tests of collagen supplements and our Top Picks for skin & wrinkles and Top Picks for joints & tendons.
Clinical Update
10/06/2023
Collagen for Stronger Bones?
Can collagen supplementation help strengthen bones? Find out what studies suggest in the Bone health section of our Collagen Supplements Review.
Also see: Do any supplements or diets help prevent or treat osteoporosis?
Clinical Update
4/19/2024
Collagen Sources
Wondering if your collagen is from pigs, cows, or fish? We have tested them all, as discussed in the Top Picks section of our Collagen Supplements Review.
Clinical Update
9/07/2022
Collagen Concern?
Can taking too much collagen cause too much calcium in the blood? Find out in the Concerns and Cautions section of our Collagen Supplements Review.
Clinical Update
4/07/2023
Collagen Versus Whey Protein?
Find out if taking collagen (which is a protein) improves wrinkles if you already use a protein powder, such as whey. Also, learn if collagen is as good as whey for muscle maintenance.
Clinical Update
10/28/2022
Does Collagen Reduce Gum Inflammation?
Learn if taking a daily collagen supplement after dental cleaning reduced subsequent swelling and bleeding of the gums in the Healing of skin and tendon injuries section of our Collagen Supplements Review.
See our separate article about the best toothpaste and mouthwash for reducing bleeding gums.
CL Answer
Which supplements help with arthritis?
Learn more about supplements for joint health, including products such as Wobenzym and Zyflamend and ingredients such as collagen, curcumin, glucosamine and chondroitin, hyaluronic acid, magnesium, omega-3 fatty acids, palmitoylethanolamide (PEA), SAMe, and others.
Recalls & Warnings
January 10, 2024
Spring Valley Biotin & Collagen Liquid Recalled Due to Mold
On December 1, 2023, BioMylz Pvt. Ltd. issued a recall of 24,324 units of Spring Valley Biotin & Collagen Liquid Natural Berry Flavor products due to potential mold contamination. BioMylz is the contract manufacturer for the Spring Valley product, which is a Walmart-owned brand.
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
Shilajit Supplements Review (Resins and Extracts)
We Discovered Major Differences Among Shilajit Supplements
CL Answer
What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?
Shilajit information, including its potential health benefits, safety, proper doses and impact on male health.
CL Answer
What is BPC-157, what is it used for and is it safe?
Find out about BPC-157, including what it's promoted for and if it is safe.
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.
Clinical Update
6/28/2021
Hyaluronic Acid for Wrinkles?
Does supplementing with hyaluronic acid reduce wrinkles or improve skin elasticity in middle-aged men and women? See what a new study found in the Aging Skin and Wrinkles section of our Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.
Clinical Update
8/14/2020
Eggshell Membrane + Fish Oil for Joint Pain?
Both eggshell membrane and fish oil have been shown to bring modest reduction in joint pain, but does taking these ingredients together have greater benefit? Find out what a new study showed in the What It Does section of the Collagen Supplements Review. Also see our Top Pick among collagen supplements for joints and for skin.
Clinical Update
6/07/2022
Eggshell Membrane for Osteoarthritis?
Eggshell membrane – a source of collagen – may reduce pain in people with osteoarthritis if taken at a certain dose, according to a recent study. Get the details in the Joint Pain section of our Collagen Supplements Review.
Clinical Update
1/12/2024
Shilajit for Collagen and Bone?
Does taking shilajit increase collagen production or bone density? Find out in our article about the health benefits of shilajit.
Product Review
Vitamin C Supplements Review
Find the Best Vitamin C Supplements
Recalls & Warnings
May 10, 2021
Collagen & Biotin Supplement Recalled Due to Allergen Risk
On May 6, 2021, Bloommy, Inc. issued a recall of Bloommy Biotin Collagen Keratin Capsules for Skin, Joint, and Hair due to the presence of a fish allergen for the collagen-based ingredient.
Recalls & Warnings
December 06, 2021
Fountain of Youth Formula Collagen Protein Recalled
On December 3, 2021, BUBS Naturals issued a voluntary recall of certain lots of the company's Fountain of Youth Formula Collagen Protein because it may contain milk.
CL Answer
Are there vitamins or supplements that can reduce my risk of breast cancer? Do any increase cancer risk?
Find out if certain vitamins, supplements and foods such as fish oil, olive oil, vitamin C and others, can help reduce the risk of breast cancer. ConsumerLab.com's answer explains.
Recalls & Warnings
March 31, 2020
Bulletproof Warned for Manufacturing Violations
On March 20, 2020, the FDA issued a warning letter to Bulletproof 360, Inc.
CL Answer
Which supplements help for osteoarthritis of the hip?
Supplements for hip pain and osteoarthritis, such as SAMe, ginger and collagen, may help or reduce pain.
CL Answer
Do any supplements or diets help prevent or treat osteoporosis?
If you have osteoporosis, you may be interested in supplements or diets for bone health. Find out which can increase bone strength and density.
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!
CL Answer
Estrogen Creams for Wrinkles: Safety, Efficacy & Comparison of OTC vs. Rx
Estrogen creams are promoted for wrinkles. Find out if these creams work, whether they are safe, and how "prescription" estriol and estradiol creams and gels differ from those sold over-the-counter.
CL Answer
Do face creams, anti-aging serums, and acne gel treatments containing vitamin A or retinol reduce bone density or increase the risk of fractures?
Find out if using face creams, anti-aging serums, or acne gel treatments containing vitamin A or retinol can reduce bone mineral density or increase the risk of fractures,
CL Answer
Can eating almonds reduce wrinkles or have other health benefits?
Find out if eating almonds can reduce wrinkles or improve aging skin.
Recalls & Warnings
November 28, 2022
Seller of Joint Health, Collagen Protein and More Warned for Drug Claims
On November 14, 2022, the FDA issued a warning letter to The Truth Company, LLC (parent company of Kinobody, LLC and UMZU, LLC) following inspection of the company’s websites which found statements about its Betaine, Immune, Redwood, Sensolin, Thyrite, zuRelief, Kino Aminos, Kino Collagen ...
CL Answer
What is the difference between cysteine and cystine?
Find out the difference between cysteine and cystine amino acids, including where each is found and their functions.
CL Answer
Do any supplements or foods benefit people with Crohn's disease? Are there any supplements that should be avoided?
Find out the most common vitamin and mineral deficiencies in people with Crohn's disease, including iron, B6, B12, vitamin D, zinc and others, plus evidence for N-acetyl-glucosamine (NAG), fish oil, and curcumin.
Recalls & Warnings
January 25, 2018
Bulletproof Collagen Protein Recalled
On January 25, 2018, Bulletproof 360, Inc issued a recall of its Bulletproof Collagen Protein supplement because it contains undeclared milk.
CL Answer
Is drinking coffee good or bad for heart health?
Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.
News Release
December 28, 2023
10 Most Popular ConsumerLab Product Reviews of 2023
White Plains, New York, December 28, 2023 — In 2023, ConsumerLab tested more than two hundred products, adding to its extensive Product Reviews covering 150 categories of supplements, foods, and other health products. Among these, the following 10 were the most popular in 2023:
CL Answer
Is it possible to take too much vitamin C?
Find out the daily value of vitamin C, along with possible side effects of excessive vitamin C intake. ConsumerLab explores the topic of proper vitamin C supplement usage, and why taking too much can be harmful.
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.
Product Review
Psyllium Fiber Supplements Review
Find the Best Psyllium Fiber Supplement and Avoid Lead.
Recalls & Warnings
July 25, 2024
West Coast Laboratories Warned for Manufacturing, Labeling Violations
On March 12, 2024, the FDA issued a Warning Letter to West Coast Laboratories, Inc.
Clinical Update
11/11/2024
Joint Chew for Dogs?
Did a popular chew with Boswellia and collagen improve mobility or reduce joint pain among dogs with osteoarthritis? See what a recent study found in our Review of Joint Health Supplements for Pets, which includes our Top Picks among products. (Also see our Top Picks among joint health supplements for people.)
Learn more about ConsumerLab’s tests of supplements for pets.
Clinical Update
10/03/2023
Soy for Wrinkles?
Did taking soy protein with isoflavones reduce wrinkles, pigmentation, or dry skin in postmenopausal women? Find out what a recent study showed in the Soy section of our Menopause Supplements Review.
Also see our article about supplements for tightening skin as well as our Top Pick collagen supplement for skin.
Clinical Update
6/15/2018
Better Bone Broth
How a bone broth is prepared can significantly affect its content of amino acids - building blocks for muscle and collagen, according to a recent study. Learn how to find or make better bone broth in the ConsumerTips section of the Bone Broth Review. (Also see our Top Picks among bone broths.)
CL Answer
What are the health benefits of luteolin, and is it safe?
Find out if luteolin, a compound found in many fruits and vegetables, is beneficial for cancer, heart health, skin aging, age-related cognitive decline, and other conditions, and learn if it's safe.
CL Answer
What is Perque Bone Guard Forté? It is safe and effective for bone health?
Find out about the ingredients in Perque Bone Guard Forté, including which ingredients may be beneficial for osteoporosis and bone health and which may be a safety concern.
CL Answer
Conolidine: Evidence for Pain Relief, Safety, and CONOCB2™ Products Explained
Find out if conolidine, the main ingredient in CONOCB2 Blend, offers natural pain relief without the side effects of opioids. Also learn about the top conolidine products available today.
Recalls & Warnings
April 30, 2021
FDA Warns Seller of Fish Oil, Apple Cider Vinegar, Collagen, and Elderberry Supplements
On April 13, 2021, the FDA issued a warning letter to Orphic Nutrition following a review of the company's websites, which found statements made about the products Apple Cider Vinegar Capsules, Ashwagandha Capsules, Garcinia Cambogia Capsules, Premium Collagen Peptides Capsules, Elderberry ...
CL Answer
What are the best supplements for depression and anxiety?
Best natural supplements for depression and anxiety, including the evidence for fish oil, vitamin D, probiotics, and herbal supplements for depression such as curcumin (from turmeric) and saffron.
CL Answer
Do arnica pills, gels, creams, or sprays reduce bruising, pain, or swelling?
Find out if arnica pills, gels, creams, or sprays can reduce bruising, pain, or swelling, help with varicose veins, or muscle pain after exercise.
News Release
February 25, 2023
Top-rated Vitamin and Supplement Brands and Merchants for 2023 Based on Consumer Satisfaction
White Plains, New York, February 25, 2023 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,600 responses collected in November/December 2022.
Recalls & Warnings
January 04, 2024
Lone Star Botanicals Warned by FDA for Manufacturing Violations
On November 26, 2023, the FDA issued a Warning Letter to Lone Star Botanicals, Inc.
News Release
February 24, 2023
Probiotics Rise in Popularity as Vitamin C, Melatonin, and Others Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 25, 2023 —A recent survey of 8,600 people who regularly use dietary supplements shows that probiotics (+3.04 percentage points), quercetin (+2.3 pts), and vitamin K (+1.
Recalls & Warnings
June 17, 2017
Protein Bars and Bites Recalled Due to Listeria Risk
On June 15, 2017, Bulletproof 360, Inc. recalled five Collagen Protein Bar and Bite products because of potential contamination with Listeria monocytogenes.
Clinical Update
7/06/2019
Casein Peptides for Better Sleep?
People with difficulty sleeping were given a casein hydrolysate to see if it would help them sleep. Find out if it worked in the Casein section of the Protein Powders, Drinks and Shakes Review. Also see our Top Picks among casein and other protein products.
CL Answer
What is Noopept? Can it really improve memory and cognition, and is it safe?
Learn more about Noopept, including results from clinical studies on cognition, safety, and dosage.
CL Answer
What is lunasin and does it really reduce cholesterol?
Lunasin supplement information, whether lunasin can lower cholesterol, safety and side effects, foods that contain lunasin, like soy.
CL Answer
Which supplements and foods can help lower or control blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
CL Answer
Does red and near infrared light therapy reduce pain, improve skin or cognition, or have other benefits? Is it safe?
Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.
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
October 19, 2023
Jay Robb Protein Powder Recalled
On October 13, 2023, Select Custom Solutions recalled one lot of Jay Robb Vanilla Flavored Egg White Protein 24 oz because the product may contain hard, plastic, foreign material which could pose a choking hazard. No adverse events have been reported to date.
CL Answer
What are the health benefits of zinc carnosine, also called polaprezinc, and is it safe?
Find out if zinc carnosine is beneficial for any GI conditions, including stomach ulcers, Helicobacter pylori infection, taste disturbances, aspirin-induced small-bowel injury and oral mucositis, and learn if it is safe.
Recalls & Warnings
May 30, 2017
Maker of Collagen Supplement Warned for Manufacturing Violations
On July 17, 2014, the FDA issued a warning letter to Morhaim Pharmalab, Inc.
CL Answer
Does OsteoMD improve calcium absorption and increase bone density?
ConsumerLab reviews the evidence for OsteoMD by 1MD, a bone health supplement promoted to slow bone loss and reduce the risk of osteoporosis.
CL Answer
Do essential amino acid (EAA) supplements help build muscle better than dietary protein or protein supplements?
Comparison of essential amino acids vs dietary protein and protein supplements for building muscle.
CL Answer
What’s the Best Way to Get High-Quality Protein from Food?
Find out the best way to get high-quality protein from animal or plant-based food instead of supplements.
News Release
February 25, 2022
Top-rated Vitamin and Supplement Brands and Merchants for 2022 Based on Consumer Satisfaction
White Plains, New York, February 25, 2022 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,049 responses collected in November/December 2021.
Recalls & Warnings
December 09, 2021
FDA Warns Seller of Curcumin, Lion's Mane, Quercetin & More
On November 9, 2021, the FDA issued a warning letter to Synaptent, LLC because it found statements on the company's website about its products, including Berberine HCL, Curcumin, Lion's Man, Milk Thistle, Quercetin, Boswellia Serrata Extract, and Garlic Extract to be ...
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).
Recalls & Warnings
June 16, 2020
FDA Warns Four Companies for Unsafe "Homeopathic" Injectables
On June 16, 2020, the FDA issued warning letters to four manufacturers of unapproved injectable drugs labeled as homeopathic.
Recalls & Warnings
June 12, 2023
Children's Liquid Vitamin Supplement Recalled
On June 7, 2023, Procaps S.A. de C.V. issued a voluntary recall of various lots of Laboratorios Lopez’s Bacaolinita 8 fl. oz children's liquid vitamin supplement because it contains undeclared PEG-40 hydrogenated castor oil.
Recalls & Warnings
June 22, 2023
Nationwide Pharmaceutical’s Ferrous Sulfate Supplements Recalled
On June 22, 2023, the U.S.
Recalls & Warnings
January 26, 2023
FDA Warns Seller of Canary Seed Omega-3
On November 16, 2022, the FDA issued a warning letter to Evimeria El Aztecano, Inc. following review of the company’s Yerbas Finas Leche de Alpiste con Guanabana y Omega-3 product labeling, which found the product contained less magnesium and potassium than claimed on the label.
Recalls & Warnings
December 01, 2021
FDA Warns Seller of Saffron Supplements
On November 18th, 2021, the FDA issued a warning letter to Saffron Health Sciences following a review of the company's website, social media, and Amazon product listings, which found statements made about the company's products Crocin Rich, Crocin Rich II, and Crocin Rich ...
Recalls & Warnings
September 01, 2022
FDA Warns Elderberry Fair & Co for Promoting Elderberry Supplements and Apple Cider to Treat Colds & Flu
On August 15, 2022, the FDA issued a warning letter to The Elderberry Fairy & Co., LLC after review of the company’s website found statements about the company’s Elderberry Syrup with Honey, Elderberry Syrup with Agave, and Organic Fire Cider to be drug claims.
News Release
August 27, 2021
ConsumerLab Tests Reveal Best Joint Health Supplements for People and Pets
White Plains, New York, August 27, 2021 — Joint health supplements with ingredients such as glucosamine, chondroitin, MSM, boswellia, collagen and turmeric are often promoted to relieve joint pain or slow the progression of osteoarthritis.
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.
Recalls & Warnings
May 08, 2024
APG SEVEN Warned for Promoting Products for Cancer, Depression, Arthritis, & More
On April 18, 2024, the FDA issued a Warning Letter to APG SEVEN, INC following a review of the company’s product labels, website, and social media, which found statements about the company’s BioMoringa, BioDiabetin, Maca Plus, BioProstate, Immune Support, HongoTrap, Honbacterol, ...
Recalls & Warnings
July 10, 2021
FDA Warns Seller of Omega XL
On June 31, 2021 the FDA issued a warning letter to Great Healthworks, Inc. following a review of the company's website, which found statements made about Omega XL and ProbioticXL supplements to be drug claims.
Recalls & Warnings
May 08, 2021
FDA Warns Seller of Vitamins B12, C, D, and K
On April 7, 2021, the FDA issued a warning letter to Unived Inc following a review of the company's websites, which found statements made about the company's products Unived brand Colox, CalDveg, B12+D3, and D3+K2-7 to be drug claims.
Recalls & Warnings
May 08, 2021
Seller of Immune Bio Green Cell Warned by FDA
On March 30, 2021, the FDA issued a warning letter to Immune & Genetics Protocols, LLC following a review of the company's websites, which found statements made about the company's product Immune Bio Green Cell to be drug claims.
Recalls & Warnings
September 28, 2022
FDA Warns Muscle Sports for Joint Health, Immune & Workout Supplement, Vitamin C, Elderberry, and Other Claims
On September 23, 2022, the FDA issued a warning letter to Muscle Sports Products, LLC following inspection of the company’s websites which found statements about company products, including Join Revolution Capsules, IMMUNITY + Powder, Rhino Rampage PUMPED Capsules, Attack Pre-Workout ...
News Release
February 25, 2021
Top-rated Vitamin and Supplement Brands and Merchants for 2021 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
White Plains, New York, February 25, 2021 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,647 responses collected in November 2020.
News Release
February 29, 2020
Collagen and Magnesium Rise in Popularity, as Fish Oil and Curcumin Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 29, 2020 — A recent survey of 9,782 people who use dietary supplements shows that collagen (+ 4.1 percentage points), magnesium (+ 2.3 pts) and CBD (+ 2.
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 ...
News Release
February 24, 2019
CBD and Collagen Rise in Popularity, as Probiotics and Coconut Oil Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 24, 2019 — A recent survey of 10,931 people who use dietary supplements shows that CBD oil (+6.3 percentage points), collagen (+3.6 pts), and bone broth (+2.
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
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
March 07, 2008
ConsumerLab.com finds most vitamin C supplements pass quality tests but one short on ingredient and some exceed tolerable levels
WHITE PLAINS, NEW YORK — MARCH 7, 2008 — ConsumerLab.com reported test results today for a wide variety of vitamin C supplements. Vitamin C is the top-selling single vitamin in the U.S., with sales of $863 million in 2006 according to Nutrition Business Journal.
News Release
March 14, 2005
ConsumerLab.com reports on vitamin C supplements — Test Results for 29 Products Reported Along with Information on Use
WHITE PLAINS, NY — MARCH 14, 2005 — ConsumerLab.com reported test results today for a wide variety of vitamin C supplements purchased at retail. Vitamin C is the top-selling single vitamin in the U.S., with sales of $770 million in 2003 according to Nutrition Business Journal.
Recalls & Warnings
June 16, 2019
"Immune Support" Throat Sprays Recalled
On June 13 2019, APS BioGroup, Inc. issued a recall of four "immune support" throat sprays because they have the potential to be contaminated with Stenotrophomonas maltophilia, a bacteria that can cause respiratory infection, particularly in individuals with weakened immune systems.
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.
Recalls & Warnings
November 29, 2019
FDA Warns Seller of "All Natural" Treatment for Opioid Withdrawal, Migraines & More
On November 18, 2019, the FDA issued a warning letter to EPH Technologies, Inc., following a review of the company's websites, which found statements made about some of the company's products, including Detoxoplex, Sinople, and Migrenz, to be drug claims.
Recalls & Warnings
September 19, 2018
Seller of Curcumin, Garcinia, Glucosamine and More Warned for Manufacturing Violations
On September 7, 2018, the FDA issued a warning letter to Best Nutrition Products, Inc.
Recalls & Warnings
January 19, 2018
Flawless Beauty Shut Down, Company's Kits and Products Recalled
On January 19, 2018, Flawless Beauty, LLC issued a recall for all lots of nineteen products sold individually or together as part of its "whitening kits."
Recalls & Warnings
August 21, 2014
Seller of Joint Supplement Warned for Manufacturing Violations and Drug Claims
On July 17, 2014, the FDA issued a warning letter to Klein Laboratories, Inc.
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
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.