Product Reviews and Information for Crohn's Disease
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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.
Product Review
Zinc Supplements, Lozenges, and Melts Review
Find the Best Zinc Supplements, Including Lozenges for Colds.
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
Probiotic Supplements Review (Including Pet Probiotics)
See What's Really in Probiotics and Our Top Picks
Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Vitamin K, and Boron)
Find the Best Vitamin D Supplement and Avoid Problems
Product Review
Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)
18% of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and Our Top Picks.
CL Answer
Butyrate Supplements for Gut Health: Does butyric acid really work and is it safe?
Can butyrate supplements improve gut health or help reduce symptoms of irritable bowel syndrome (IBS) or Crohn's disease? Find out what the clinical evidence shows, learn about the different forms of butyrate, including sodium butyrate, calcium-magnesium butyrate, and tributyrate, and get details about products such as BodyBio Sodium Butyrate and Healus Complete Biotic Tributyrin, dosage, safety and cost.
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Our Top Picks and Which 5 Failed Testing
Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products
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
Bone Broth Review
Find the Best Bone Broth for Quality, Taste, and Value. Four of 10 Products Fail to Get CL Approval.
CL Answer
Which supplements can help treat anemia? Do any supplements cause a low red blood cell count?
Find out which vitamin and nutrient supplements can help prevent and treat anemia in people who are nutrient deficient and learn which supplements may cause low blood cell counts, especially when used in excess.
CL Answer
Do any supplements help for ulcerative colitis?
Find out what supplements & vitamins can help with ulcerative colitis, such as VSL#3, curcumin, aloe or boswellia.
Product Review
Melatonin Supplements Review
Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.
Product Review
Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
Product Review
Lactose Intolerance Products Review (Lactase Enzyme Supplements and Lactose-Free Milks)
Choose the Best Lactase Enzyme Supplement and Lactose-Free Milk. Find a CL Approved Lactose Intolerance Product.
Product Review
Selenium Supplements Review
Choose the Best Selenium Supplement. Find Out If You Need Selenium and Which Supplement Is Our Top Pick.
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
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead
Product Review
Vitamin K Supplements Review (Including Calcium, Vitamin D, Magnesium & Boron)
Find Out If It's Worth Taking Vitamin K and Which Products Are Best
Product Review
Nutritional Yeast Review
Inaccurate Labeling Discovered on Most Nutritional Yeasts. Best Fortified and Non-Fortified Products Identified.
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ
Product Review
Iron Supplements Review (Iron Pills, Liquids and Chews)
See Which Iron Supplements Are CL's Top Picks for Different Needs
CL Answer
Do any supplements help for irritable bowel syndrome (IBS)?
IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.
CL Answer
What is TUDCA (tauroursodeoxycholic acid)? Does it have any proven health benefits, and is it safe?
TUDCA information, including its potential health benefits, safety, possible interactions, and cost.
CL Answer
What are trace minerals and do I need them?
Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.
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.
CL Answer
Which supplements or OTC medications help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.
News Release
August 31, 2012
ConsumerLab.com tests selenium supplements -- Finds one with less than 25% of listed amount
White Plains, New York, August 31, 2012 — ConsumerLab.com announced results today of its Product Review of Selenium Supplements. Among the supplements selected by ConsumerLab.com for testing, one was found to contain only 23.
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.
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.
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
March 01, 2023
Seller of Dr. Miller’s Herbal “Detox” Teas Warned by FDA for Drug Claims
On February 3, 2023, the FDA issued a warning letter to Jackson Health & Wellness Clinic after inspection of the company’s website found statements about the company’s Dr. Miller’s Holy Tea, Dr. Miller’s Super Holy Tea, Dr. Miller’s Ultimate Tea, Dr.
Recalls & Warnings
July 01, 2015
Undeclared Drugs Found In Male Enhancement Supplements
On June 10, 2015, the FDA issued a warning letter American Lifestyle, following tests which found the company's sexual enhancement supplements Vicerex and Sudibil-Xr to contain the undeclared drugs propoxyphenyl thioaildenafil and tadalafil.
Recalls & Warnings
February 06, 2015
Seller of Aloe Supplement Warned for Drug Claims
On January 21, 2015, the FDA issued a warning letter to Pristine Nutraceuticals, LLC, following a review of the company's website, http://www.digestaqure.com, which found statements made about DigestaCure to be drug claims.
Recalls & Warnings
August 26, 2014
Seller of Immune Supplement Warned for Drug Claims
On August 12, 2014, the FDA issued a warning letter to Ad-Med Biotechnology, following a review of the company's websites and product labels, which found statements made about Immune Active Adult Formula and Immune Active Children's Formula to be drug claims.
Recalls & Warnings
September 13, 2013
Metagenics Warned For Misbranding of Medical Foods and Drug Claims
On August 13, 2013, the FDA issued a warning letter to Metagenics, Inc.
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
March 16, 2006
Garden of Life, Maker of Primal Defense, Settles FTC Charges
On March 9, 2006, The Federal Trade Commission (FTC) announced that an operation that marketed dietary supplements sold at Whole Foods Market, GNC, the Vitamin Shoppe, and on the Internet settled FTC charges that they made deceptive advertising claims about their supplements.
Recalls & Warnings
December 16, 2015
Maker of Red Yeast Rice, St. John's Wort, Valerian and More Warned for Manufacturing Violations, Drug Claims
On December 2, 2015, the FDA issued a warning letter to Nature's Health, LLC, following a facility inspection which found the company's product, including Ginkgo & Rhodiola, Blood Sugar Balance IV, Cinnamon Extract, Choles-Balance Red Yeast Extract, Lecithin, Milk Thistle Seed Extract, ...
