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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.

Chewing Softgels

CL Answer

Can fisetin, also called Cognisetin and Novusetin, really improve memory or slow aging?

Can fisetin (Cognisetin and Novusetin) improve memory or slow aging? Find out what clinical research shows and learn about safety and pricing of fisetin.

Fisetin Supplements on Wooden Plate with Strawberries

Clinical Update

9/30/2012

Do Spreads Lower Heart Risk?

Buttery spreads like Smart Balance and Benecol claim to lower the risk of heart disease due to their phytosterols/stanols. These plant compounds can certainly help (by lowering cholesterol levels), but recent lawsuits challenge whether Smart Balance and Benecol provide enough sterols/stanols to claim a benefit. It turns out that one may, and one may not. Find out more and get our quality ratings of cholesterol-lowering supplements in the updated Cholesterol-Lowering Supplements Review >>

News Release

May 15, 2019

ConsumerLab Tests Reveal Big Differences in Digestive Enzyme Supplements

White Plains, New York, May 15, 2019 — Digestive enzyme supplements can help improve digestion and the absorption of nutrients, and may reduce symptoms of indigestion. But to work, they must provide a certain amount of enzyme activity.

CL Answer

Is it okay to crush or break vitamin pills to lower the dose or mix into food?

Learn about the safety of crushing vitamin pills, tablets, capsules or enteric-coated tablets and ingesting the powder with food, as opposed to taking a whole pill.

Is it okay to crush or cut supplement pills? -- Large, broken vitamin pill

CL Answer

Must I take amino acid supplements on an empty stomach? Can I take them with other amino acids or with food to help with swallowing capsules?

Find out if you should take amino acid pills on an empty stomach or with food in order to maximize absorption, and more about the best way to take amino acid supplements.

Amino Acids

News Release

October 11, 2016

What Are the Benefits of Resveratrol and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular Resveratrol Supplements

White Plains, New York, October 11, 2016 — Resveratrol supplements have been popular since 2006, when studies in animals showed "life-extending" and "endurance-enhancing" effects, among other potential benefits.

News Release

September 13, 2016

Best Fish Oil? ConsumerLab.com Tests 44 Popular Omega-3 Supplements and Identifies Its Top Picks

White Plains, New York, September 13, 2016 — Fish oil and omega-3 fatty acid supplements containing EPA and DHA are among the most popular supplements, and clinical studies suggest a wide range of potential benefits, from improving mental health to treating inflammatory disease.

Clinical Update

4/03/2025

Should You Clean Produce with Ozone and Ultrasound Devices?

Find out if ozone water or ultrasound cleaners are a smart way to remove bacteria and pesticides from produce in our article about cleaning fruits and vegetables.

Clinical Update

12/01/2023

Dental Tape vs. Floss

Find out if dental tape or dental floss is better for cleaning teeth, and get our take on drTung’s Smart Floss and if it is a Top Pick.

Also find out if toothbrushes, GUM dental picks, or Listerine flossers contain PFAS.

Clinical Update

12/08/2023

Lower-Cost Filter Sellers?

Is it smart to use lower-cost sellers of water filters? We checked into two popular sellers. See what we found in our article about avoiding counterfeit water filters.

Also see a video we added to our article about how to avoid buying counterfeit supplements.

Clinical Update

1/25/2022

Air Purifiers

We’ve added a review of the Smart Health S air purifier (also called the Sqair Air Purifier) to our list of more than 60 devices. See which we recommend, which we don't, and our Top Picks for air purifiers based on room size.

CL Answer

PFAS (Per- and Polyfluoroalkyl Substances): How can I avoid PFAS in dental floss, food, water, and other products?

Some brands of dental floss may contain potentially toxic chemicals known as PFAS (polyfluoroalkyl substances). Get the details and learn which floss and pick products are our Top Picks.

Toxic PFAS Chemicals in Dental Floss -- Woman Looking at Dental Floss

Product Update

12/18/2025

Water Filters Tested

How did Pur Plus, Amazon Basics, and Travel Berkey water filters perform in recent tests? Find out, plus learn how other water filter pitchers, and faucet, countertop, and reverse osmosis filters, fared, in our Water Filter Pitchers Review, which includes our Top Picks.

Clinical Update

5/22/2021

Does Iron Affect Stroke Risk?

There are downsides to taking too much iron, but a recent analysis suggests that getting a basic amount of iron may reduce stroke risk for women. Get the details in the Concerns and Cautions section of our Iron Supplements Review.

News Release

March 17, 2015

CoQ10 & Ubiquinol Supplements Vary in Quality, as Well as Dose, Absorption, and Price According to ConsumerLab.com

White Plains, New York, March 17, 2015 — Findings from a recent study by ConsumerLab.com highlights the difficulty consumers have in selecting a supplement containing the highly-popular anti-oxidant CoQ10 or its activated form, ubiquinol. ConsumerLab.

Recalls & Warnings

July 26, 2023

FDA Warns Wise Women’s Choice for Promoting Plant-Based Product for Contraception

On July 20, 2023, the FDA issued a warning letter to Wise Women’s Choice following a review of the company’s website and social media, which found statements about the company’s Wise Women’s Choice products to be drug claims because products were intended to affect ...

News Release

April 09, 2014

Best Fish Oil? ConsumerLab.com Testing Finds Many High Quality Supplements, But Pitfalls Exist

White Plains, New York, August 10, 2014 — Recent laboratory tests of fish oil, krill oil, algal oil, calamari oil, and green-lipped mussel oil supplements by ConsumerLab.com revealed quality problems with four out of 30 supplements selected for review.

News Release

December 02, 2010

ConsumerLab.com Finds Lower-priced Resveratrol Supplements Pass Tests While Some Higher-priced brands flunk

WHITE PLAINS, NEW YORK — DECEMBER 2, 2010 — ConsumerLab.com reported today that tests of supplements containing resveratrol — a compound promoted as "life-extending" — revealed that two products provided only 43.4% and 86.

News Release

December 02, 2009

Tests show many milk thistle supplements low in key component -- Nine of ten products fail ConsumerLab.com testing of herb used in diabetes and liver diseases

TESTS SHOW MANY MILK THISTLE SUPPLEMENTS LOW IN KEY COMPONENT

News Release

August 05, 2008

ConsumerLab.com Find Fifty Fish Oil Supplements Pass Quality Testing -- New Report Helps Consumers Choose Among Pills, Liquids, Foods and Beverages with Omega-3 Fatty Acids (EPA and DHA)

WHITE PLAINS, NEW YORK — AUGUST 5, 2008 — ConsumerLab.com announced today that testing of fifty omega-3 fish oil supplements, foods or beverages (including two marketed for pets) found all to have safe levels of mercury, lead and PCBs.

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

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

September 19, 2006

DHEA supplements, touted for anti-aging and strength, reviewed by ConsumerLab.com — Testing finds one brand with 215% of the labeled amount

WHITE PLAINS, NEW YORK — SEPTEMBER 19, 2006 — New tests of supplements containing the hormone DHEA found most to contain their claimed amounts of the controversial ingredient, but one provided 215% of its stated amount, the testing company ConsumerLab.com reported today.

Recalls & Warnings

February 01, 2022

Complaint Submitted to FTC for doTerra Essential Oil COVID Claims

On January 28, 2022, the website truthinadvertising.org submitted a complaint to the Federal Trade Commission (FTC) against doTerra International, LLC. following a series of Zoom calls from the company titled "Protocols for the Current Climate.

Recalls & Warnings

November 21, 2022

Healthy Sense and People’s Choice Multis Recalled

On November 17, 2022, Mason Vitamins Inc.

Recalls & Warnings

July 28, 2020

Four More Companies Recall Hand Sanitizers

Between July 9 and 27, 2020, four more companies recalled hand sanitizers because they may contain methanol, which is toxic when absorbed through the skin or ingested:

Recalls & Warnings

December 31, 2020

FDA Warns Seller of Liposomal Vitamin C, Vitamin D & More

On December 21, 2020, the FDA issued a warning letter to Sparrow Health & Performance LLC for selling the products Organic Liposomal Vitamin C, Nanoemulsified D3K2 (also called Liquid Liposomal Vitamin D3 with K2 or Liposomal Vitamin D3) and Immune Support ...

Recalls & Warnings

April 17, 2020

Fiber Supplement Recalled for Salmonella Risk

On April 13, 2020, Break Ventures/California Basics issued a recall of one lot of Zero for Him fiber supplement because recent testing found it has the potential to be contaminated with Salmonella.

Recalls & Warnings

September 03, 2019

Federal Court Shuts Down Two Supplement Companies Selling Weight, Joint Health and Other Supplements

On September 3, 2019, a U.S. District Court entered a consent decree of permanent injunction against Basic Reset and Biogenyx, two Tennessee-based companies that sell dietary supplements and other product promoted for health benefits.

Recalls & Warnings

August 20, 2016

Smart Lipo Weight Loss Supplement Found to Contain Undeclared Drugs

On June 16, 2016, the FDA issued a warning letter to Centro Naturista because the company's weight loss supplement, Smart Lipo, was found to contain undeclared sibutramine and phenolphthalein.

Recalls & Warnings

August 21, 2013

Seller of Vitamin, Tea and MSM Supplements Warned For Drug Claims

August 7, 2013, the FDA issued a warning letter to Vibrant Life Vitamins, following a review of the company's websites which found statements made about Taheebo Life Tea, Life Glow Plus, Super Life Glow, Life Glow Basic, Vibrant Life MSM, Herbal MSM, and Organic Germanium to be drug claims. 

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

June 06, 2015

Weight Supplement Recalled

On June 3, 2015 SmartLipo365 issued a voluntary recall of 122 lots of Smart Lipo because they were found to contain the undeclared drugs sibutramine, desmethylsibutramine, and phenolphthalein.

Recalls & Warnings

November 02, 2009

FTC Charges Marketers with Baseless Weight-Loss Claims

On November 2, 2009 the U.S. Justice Department, at the Federal Trade Commission’s request, filed suit today in federal court in a case affecting consumers nationwide.

Recalls & Warnings

May 09, 2020

FTC Warns 45 More Companies for Coronavirus Claims

On May 7, 2020, the FTC announced that it sent warning letters to 45 companies for selling products such as herbal products, immune system boosters, and vitamin C with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

May 11, 2006

Weight-Loss Marketers Pay $3 Million for Deceptive Advertising

On May 11, the Federal Trade Commission (FTC) announced that sellers making questionable weight-loss and fat-loss claims to peddle skin gels and diet supplements will pay $3 million to settle charges that their deceptive claims violated federal law.

Recalls & Warnings

December 21, 2012

FDA Warns Maker of Glucosamine and Omega-3 Supplements For Manufacturing Violations

On December 7, 2012, the FDA issued a warning letter to Basic Organics, Inc. following a facility inspection which found the company's Glucosamine Chondroitin and Omega 3 dietary supplements to be adulterated.

Recalls & Warnings

January 21, 2018

Men's Fiber Supplement Recalled

On January 21, 2018, Break Ventures/California Basics recalled of its fiber supplement for men, Zero for Him (150 count) due to possible Salmonella contamination.

Recalls & Warnings

January 10, 2018

Lithium Supplement Contaminated With E. Coli, Health Canada Warns

On December 1, 2018, Health Canada (the Canadian equivalent of the FDA) warned consumers that it found Smart Brain Formulations Serotonin Support, a lithium ororate supplement sold on the website Robert Lamberton Consulting, to be contaminated with E. choli (Escherichia coli).

Recalls & Warnings

November 29, 2016

Seller of Mineral, Joint Supplements and More Warned for Manufacturing Violations, Drug Claims

On July 1, 2016, the FDA issued a warning letter to BioGenyx-Basic Reset, following a facility inspection which found the company's products, including Ionyte, Aqualyte, Beta Factor, Bee Gold and Primo Java to be adulterated because they were prepared, packed, or held under ...

Recalls & Warnings

August 29, 2013

Seller of CELLFOOD Supplements Warned For Manufacturing Violations and Drug Claims

On August 1, 2013, the FDA issued a warning letter to supplement retailer Lumina Health Products, Inc.

Recalls & Warnings

April 23, 2019

"Brain Boosting" Supplements Were Promoted With Non-Existent Clinical Studies

On April 10th, 2019, the FTC (Federal Trade Commission) announced the marketers of cognitive enhancement supplements Geniux, Xcel, EVO, and Ion-Z have agreed to settle charges that they made false claims about the product, including fake research references and celebrity ...

Recalls & Warnings

September 18, 2012

Men’s Sexual Enhancement Supplement Containing Prescription Drug Recalled

On September 12, 2012, Body Basics Inc. issued a voluntary nationwide recall of ACTRA-Sx 500 Dietary Supplement Capsules after independent laboratory testing confirmed the supplement contains the prescription drug sildenafil citrate.

Recalls & Warnings

November 04, 2002

Recall Of Selected Store Brand Infant Formula in U.S.

On November 1, 2002, Wyeth Nutrition, in consultation with the U.S.

Recalls & Warnings

March 04, 2008

Airborne Settles Lawsuit Over False Advertising of its "Miracle Cold Buster"

On March 4, 3008, the Center for Science in the Public Interest (CSPI) announced that the makers of Airborne -- a multivitamin and herbal supplement whose labels and ads falsely claimed that the product cures and prevents colds -- will refund money to consumers who bought the product, as part of a ...