Showing Results for Doctor's Trust
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Product Review
Ginkgo (Ginkgo Biloba) Supplements Review
Choose the Best Ginkgo Biloba Supplement. Finding Real Ginkgo Isn't Easy — 60% Fail ConsumerLab's Tests of Quality.
CL Answer
I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
Find out if CholestOff and other sterol supplements can block vitamin absorption in the body and other safety concerns.
CL Answer
Can I trust lab reports and Certificates of Analysis provided by supplement manufacturers?
Lab reports and Certificates of Analysis are provided by supplement manufacturers, but sometimes include incorrect testing and "dry labbing". ConsumerLab.com's answer explains.
Clinical Update
2/26/2026
Sold by "Pattern"? Should You Trust It?
Can supplements sold by "Pattern" on Amazon and Walmart be trusted? Find out and learn how to safely buy real supplements online -- and avoid counterfeits.
CL Answer
Relaxium Sleep: Helpful or a Hoax?
Relaxium Sleep claims to be "America’s #1 Trusted Sleep Aid." Find out if research supports this claim and if it's worth its price.
News Release
February 15, 2024
Unveiling the Truth About Green Tea’s EGCG Content
White Plains, NY, February 15, 2024 — ConsumerLab.com, a trusted name in health and wellness, sheds light on the EGCG (epigallocatechin gallate) content in green tea.
Clinical Update
8/19/2024
Certificates from Manufacturers?
Can you trust a certificate of analysis provided by a supplement manufacturer about the quality of its product? Find out.
Clinical Update
7/01/2022
Don't Trust CBD Labels
Nearly one-quarter of products that claim “not” to contain THC actually contain it, according to a recent study. This can lead to unexpected problems. Learn more in the "Products on the Market" section of our Review.
Clinical Update
10/24/2023
Can You Trust Products "Sold by Amazon"?
We recently pressed Amazon on whether products "Sold by Amazon" assures they are authentic and not counterfeit. The response was not reassuring. See details in our article about Where to Safely Buy Real Vitamins and Supplements.
CL Answer
Which supplements can help to lower blood pressure?
Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.
CL Answer
I take lisinopril (Zestril), an ACE inhibitor drug to lower blood pressure. Are there supplements I should avoid, or be taking, due to this drug?
When taking ACE inhibitors, find out which supplements should be avoided. Interaction info on Lisinopril or another ACE inhibitors.
News Release
November 06, 2012
50% of Green Coffee Bean Supplements Don't Contain Expected Amounts of Ingredient for Weight Loss, According to ConsumerLab.com
White Plains, New York, November 6, 2012 — Clinical studies suggest green coffee bean extract (GCBE) supplements can aid weight loss, but recent tests by ConsumerLab.com indicate that many popular brands dont contain the amounts of extract listed on their labels.
News Release
September 10, 2007
Tests of B-vitamins by ConsumerLab.com finds several short on folic acid — New report covers B-complexes, thiamin, niacin, B-6, B-12, biotin and folic acid supplements
WHITE PLAINS, NEW YORK — SEPTEMBER 10, 2007 — Half of the B-complex supplements recently selected by ConsumerLab.com for testing were found to lack the total claimed amounts of folic acid, an essential nutrient also known as vitamin B-9.
News Release
February 14, 2007
ConsumerLab.com reports on anti-depressant herb — St. John's Wort — Few supplements pass quality testing
WHITE PLAINS, NEW YORK — FEBRUARY 14, 2007 — St. John's wort may be helpful in treating mild to moderate cases of clinical depression, but a new report from ConsumerLab.com shows that few of the herbal products tested met quality standards. Americans purchased $64 million of St.
CL Answer
If I already take red yeast rice, would adding high-dose niacin help further reduce my cholesterol levels, and would this be safe?
Learn more about the effect of combining red yeast, statins and high-dose niacin on cholesterol and safety.
CL Answer
Are people with kidney disease at risk of getting too much potassium if they take a multivitamin? Which multivitamins are best for people with kidney disease?
Learn if people with kidney disease are at increased risk of getting too much potassium from multivitamins, find out which multivitamins do not contain potassium, and learn what other products should be avoided by people restricting potassium intake.
CL Answer
Can I trust ConsumerLab.com? How are its tests paid for?
Learn more about ConsumerLab.com's clinical testing policy and procedures, including information on our independent testing and product reviews. Our answer explains.
CL Answer
I have type 2 diabetes. Should I be concerned about ingredients like maltodextrin and maltitol that are found in some protein bars and drinks?
Learn more about maltitol and maltodextrin and their effects on blood glucose levels for people with type 2 diabetes.
CL Answer
Will pregnenolone help slow down aging or reduce chronic pain?
Learn more about the steroid hormone pregnenolone, including its effects in the body and on aging and chronic pain.
CL Answer
Rhodiola and ashwagandha are both promoted to help with stress and anxiety. Is it safe to take them at the same time?
Find out if it is safe to take ashwagandha and rhodiola together. Both herbs are promoted to help with stress and anxiety, but may also lower blood pressure and have other side effects. ConsumerLab.com's answer explains.
CL Answer
All About Thyroid Supplements & Desiccated Thyroid Extract (Armour Thyroid)
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.
CL Answer
What are the health benefits of serrapeptase?
Serrapeptase is a proteolytic enzyme. Learn more about its health effects, including whether evidence supports its use for pain, inflammation, and heart health.
Recalls & Warnings
June 21, 2016
"Doctor Trusted" Seal and Certification Program for Dietary Supplements Misleading and Meaningless, Says FTC
SmartClick Media LLC, also doing business as Doctor Trusted, has agreed to settle Federal Trade Commission (FTC) charges that its "Doctor Trusted" seal and certificates, which appeared on some 800 websites promoting health products and dietary supplements, ...
Clinical Update
11/18/2022
Herbal Laxatives – Tell Your Doctor
If you’ve been regularly using herbal laxatives, be sure that your doctor knows prior to a colonoscopy or abdominal surgery. Find out why in our article about supplements and surgery.
Clinical Update
3/31/2022
Doctor's Best Settlement & Refund
Doctor's Best is providing a partial refund to customers of its glucosamine supplements as part of a legal settlement. For details, see the Update to our Joint Supplements Review.
Clinical Update
8/24/2021
Pfizer Vaccine Approved
Learn about approval of the Pfizer vaccine and find out how approval differs from authorization, who it is approved for, and whether doctors should prescribe it for unapproved uses.
Clinical Update
4/17/2016
Vitamin D and Allergy
Vitamin D is known to modulate the immune system. Having sufficient levels is associated with reduced risk of allergy and asthma. A recent study showed that giving vitamin D to pregnant women and their infants resulted in fewer infants being allergic to house dust mites and needing to see a doctor for asthma. For details, see "Allergy," as well as "Asthma," in the What It Does section of the Vitamin D Supplements Review >>
Clinical Update
5/22/2018
Hair & Nail Supplements Can Skew Lab Tests
There are reports of high-dose biotin (common in "hair and nail" supplements) causing false readings on blood tests. Be sure to tell your doctor if you're taking high-dose biotin. Get the details in the Biotin section of the B Vitamin Supplements Review.
Clinical Update
6/27/2020
Signs of Too Much Vitamin D
Doctors were surprised to discover that symptoms exhibited by a 64-year old woman were due to very high levels of vitamin D from supplements. Learn about the symptoms of too much vitamin D in the Concerns and Cautions section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements and learn How Much Is Too Much vitamin D.
Clinical Update
11/18/2021
Does Melatonin Increase Alzheimer’s Risk?
My doctor said that melatonin may increase the risk of Alzheimer's as some sleeping pills do. Is this true? See the answer in Concerns and Cautions section of the Melatonin Supplements Review.
Clinical Update
3/31/2022
How to Get COVID Treatment Quickly
Antivirals work against COVID if given early. Some pharmacies can now give you antiviral medication without a prescription from your doctor if you test positive, saving valuable time. Learn how and find the location nearest you.
Clinical Update
5/09/2023
Dental Brush vs Floss
Interdental brushes and toothpicks, such as The Doctor’s BrushPicks, may be easier for some people to use than floss. Learn more and find out which ones claim not to contain PFAS in our updated article about PFAS in Dental Products.
Clinical Update
10/20/2023
Doctor's Best, Nature's Way, Nordic Naturals, Solaray and Vitacost
We've added information about how to purchase authentic products from each of these brands to our article How to Avoid Buying Counterfeit Vitamins and Supplements, which now covers 32 brands.
Clinical Update
2/09/2024
Avoiding Counterfeits: More Brands Added
We've added information about 365 by Whole Foods Market, Doctor’s Best, and Dr. Mercola to our article about how to safely buy real vitamins and supplements.
Clinical Update
7/12/2022
How to Get Paxlovid Without a Medical Doctor
Pharmacists can now directly prescribe Paxlovid for people with COVID-19, but there are limitations. Find out what you need to bring to the pharmacy to get Paxlovid if you've tested positive and are at risk for severe COVID-19.
Clinical Update
10/14/2022
Side Effect of Low-Dose Oral Minoxidil
A case of severe fluid buildup was recently reported in a woman taking low-dose minoxidil. Get the details, and learn what some doctors now recommend when starting low-dose oral minoxidil treatment in our article about hair treatments.
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.
News Release
August 16, 2005
ConsumerLab.com tests potassium supplements — Report now online for sixteen products
WHITE PLAINS, NY — August 16, 2005 — ConsumerLab.com has released a new report on the quality of potassium supplements. Potassium is used to treat or prevent potassium deficiency caused by diuretic drugs ("water pills"), prolonged vomiting, diarrhea or laxative abuse.
Recalls & Warnings
May 28, 2026
More Moringa Recalled Due to Salmonella Risk
On May 26, 2026, Total Nutrition Inc. recalled certain lots of TNVitamins Ultra Potent Complete Green Superfood Moringa and Doctor’s Pride Complete Green Superfood Ultra Potent Moringa capsules because they may be contaminated with Salmonella.
Recalls & Warnings
March 04, 2021
Federal Court Bars Confidence USA from Selling Supplements
On March 4, 2021, the FDA announced a permanent injunction has been entered, barring dietary supplement manufacturer Confidence USA Inc. and two of its executives from producing or selling products until they become compliant with current good manufacturing practices (cGMPs).
Recalls & Warnings
September 10, 2021
FDA Warns Ten Sellers of "Diabetes" Supplements
On September 7, 2021, the FDA issued warning letters to 10 supplement companies that made drug claims by promoting products to treat diabetes and/or lower blood sugar. Five of the products were sold on Amazon as well as on company websites. The products were promoted with statements such as
Recalls & Warnings
November 05, 2021
Herb Recalled Due to Risk of Lead, Cadmium Contamination
On November 2, 2021, Murray Int'l Trading issued a recall of Herbal Doctor brand Angelicae Sinensis due to potential risk it may contain elevated levels of lead and cadmium.
Recalls & Warnings
August 10, 2020
Seller Indicted for Promoting Silver Product as Coronavirus Cure
On July 28, 2020, Utah resident Gordon Pedersen was indicted by a federal grand jury for posing as a medical doctor to sell an unapproved treatment for coronavirus (COVID-19).
Recalls & Warnings
July 27, 2019
Herbal Doctor Remedies Recalls 43 Products
On July 24, 2019, Herbal Doctor Remedies issued a recall of 43 Chinese herbal medicines, including Bone Fixer, Lipidtrol, Pain Away, Prostatin, Stomach Flu and others, because they were marketed without FDA approval and were manufactured outside of the controls required by current Good ...
Recalls & Warnings
October 29, 2019
Publisher Sued for Promoting "Phony Diabetes Cure"
On October 24, 2019 the FTC filed a lawsuit against the publisher of books, newsletters, and other publications aimed at seniors that falsely promise to cure type 2 diabetes.
Recalls & Warnings
January 30, 2013
Seller of Omega-3 and Emu Oil Supplements Warned For Drug Claims, Misbranding
On November 19, 2012, the FDA issued a warning letter to Emu Products & Management, Inc. after a review of the company's website found statements that promoted the dietary supplements Multi-Omega Gel Caps, Recovery Gel Caps, ARP Gel Caps and the topical skin products Extreme Cryo Gel, F.A.C.E.
Recalls & Warnings
June 25, 2014
Red Yeast Rice Product Recalled
On June 24, 2014, Doctor's Best announced a voluntary recall of lot 3121005 (7379 bottles) of Red Yeast Rice dietary supplement, 600 mg Capsules, 120-count bottles.
Recalls & Warnings
June 26, 2015
Seller of CoQ10, Anxiety Supplements and More Warned for Manufacturing Violations, Drug Claims
On June 6, 2015, the FDA issued a warning letter to Country Doctor Herbals, following a facility inspection which found the company's products, including Herbal Flu Be-Gone, Herbal Multi-Bac, Herbal Nervine, Herbal Pain-A-Way, Herbal Pancreas, Herbal Parasite Cleanse, Herbal Perfect ...
Recalls & Warnings
February 05, 2016
Garcinia, Green Coffee Marketers Pay $43 Million to Settle Charges of False Weight Loss Claims
Sale Slash, LLC, has agreed to pay more than $43 million to settle FTC charges it used unsubstantiated claims and fake celebrity endorsements to promote its Premium Green Coffee, Pure Garcinia Cambogia, Premium White Kidney Bean Extract, Pure Forskolin Extract, and Pure Caralluma Fimbriata Extract ...
Recalls & Warnings
April 08, 2017
Woman Dies After Receiving Turmeric Infusion
On March 16, 2017, a San Diego, California woman died days after receiving an IV infusion of turmeric. Jade Erick, age 30, suffered a brain injury and cardiac arrest after receiving the first 5 mL of a 250 mL infusion of turmeric in the office of a naturopathic doctor.
Recalls & Warnings
November 04, 2016
Energy Drink Linked to Case of Acute Hepatitis
A case of acute hepatitis has been linked to daily consumption of energy drinks, according to a report published on November 1, 2016, in BMJ Case Reports.
Recalls & Warnings
October 05, 2007
FTC Charges Progesterone Cream Sellers with Making Unsubstantiated Claims
On October 5, 2007 the Federal Trade Commission (FTC) announced complaints against seven online sellers of alternative hormone replacement therapy (HRT) products, alleging that they made health claims for their natural progesterone creams without supporting scientific evidence.
