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Product Review

Toprol XL vs. Generic Metoprolol Succinate Extended-release (ER) Tablets Review Article

Choose the Best Blood Pressure Medication. Find Out Why Some Generic Blood Pressure Medications Are Not the Same as the Original & May Increase Blood Pressure or Have Other Disturbing Side Effects.

Toprol vs Generic Metoprolol

Product Review

Wellbutrin vs. Generic Bupropion Review

Generic Bupropion Is Not Always The Same As Name-Brand Wellbutrin. CL Tests Reveal Differences Between Generic Bupropion and Name-Brand Wellbutrin.

CL Answer

What is Protandim and does it really work?

What is Protandim and does it really work? Can Protandim reduce oxidative stress? ConsumerLab's answers discusses Protandim's effectiveness, reviews and studies.

Does Protandim Work? -- Bottle of Protandim

CL Answer

Does glucosamine raise "bad" LDL cholesterol?

Learn more about the link between glucosamine and cholesterol, including evidence from clinical studies.

Supplements and Water in Hand

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.

Memory Cognition Image for Noopept

Clinical Update

4/16/2024

Pharmaceutical Grade Fish Oil

A member asked why CVS has stopped selling its Pharmaceutical Grade Fish Oil. We asked CVS, which gave no good reason, but we suspect that the product may have been considered an "unapproved" medication due to its similarity to prescription fish oil. But good options remain: See our Top Pick for highly concentrated fish oil in our Omega-3 Supplements Review.

Recalls & Warnings

June 22, 2023

Nationwide Pharmaceutical’s Ferrous Sulfate Supplements Recalled

On June 22, 2023, the U.S.

News Release

March 17, 2008

As problems surface, Consumerlab.com and the people's pharmacy ask FDA to disclose differences between generic and original drugs

WHITE PLAINS, NEW YORK AND DURHAM, NORTH CAROLINA — MARCH 17, 2008 — An investigation by ConsumerLab.

News Release

October 12, 2007

ConsumerLab.com finds generic antidepressant behaves differently from original drug. May explain complaints by patients. — Generic drug equality questioned

WHITE PLAINS, NEW YORK AND DURHAM, NORTH CARLOLINA — OCTOBER 12, 2007 — ConsumerLab.

Recalls & Warnings

June 19, 2023

A&Z Pharmaceutical Warned for Promoting Calcium & Vitamin D for Hair Loss, Osteoporosis & Cancer

On June 1, 2023, the FDA issued a warning letter to A&Z Pharmaceutical, Inc. following inspection of the company’s website and social media, which found statements about the company’s Chewable Calcium 600MG with Vitamin D for Kids in Orange Flavor products to be drug claims.

Recalls & Warnings

December 04, 2025

Prenate Chewable Prenatal Vitamin Recalled

On October 29, 2025, Avion Pharmaceuticals issued a recall of multiple lots of Prenate Chewable, a prescription-only prenatal multivitamin containing methylfolate (as Quatrefolic), due to undeclared soy and a significant labeling error in which the amount of boron is incorrectly listed as ...

Recalls & Warnings

June 13, 2022

Homeopathic Nasal Spray SnoreStop Recalled Due to Microbial Contamination

On June 9, 2022, Green Pharmaceuticals Inc issued a voluntary nationwide recall of one lot of its SnoreStop NasoSpray, a homeopathic nasal spray promoted to reduce snoring, due to the presence of Providencia rettgeri, a bacterium that can cause severe illness in some people.

Recalls & Warnings

April 27, 2022

Prescription Drugs Found in Arthritis, Muscle Pain, and Osteoporosis Supplements

On April 20th, 2022, the FDA warned consumers not to use the following ”Artri“ or ”Ortiga” products promoted to treat arthritis, muscle pain, osteoporosis and bone cancer because they have been found to contain undeclared drugs that can have serious adverse ...

Recalls & Warnings

April 02, 2004

Makers of Fat and Starch "Blockers" Receive FDA Warning Letters

On April 1, 2004, the Food and Drug Administration (FDA)announced that it had sent warning letters to 16 dietary supplement distributors making false and misleading claims for weight loss products promoted over the internet.

Recalls & Warnings

March 13, 2020

FDA Finds Problems at 52% of Supplement Manufacturing Sites in U.S. and 42% Abroad

ConsumerLab.com has obtained results of the FDA's inspections in Fiscal Year 2019 (October 1, 2018 - September 30, 2019) of 598 dietary supplement manufacturing facilities in the U.S.

Recalls & Warnings

April 10, 2021

HI-TECH Workout Supplements Recalled Due to Undeclared Allergens

On April 3, 2021, HI-TECH Pharmaceuticals issued a recall of all lots of APS Nutrition Isomorph 28 in a 2lb jug because they contain undeclared milk, wheat, and soy.

Recalls & Warnings

May 19, 2020

FTC Sends Refund Checks to Consumers of Unproven Weight Loss and Sexual Enhancement Supplements

On May 19, 2020, the FTC announced it is mailing 143,636 checks totaling more than $8,500,000 to consumers who purchased deceptively marketed supplements.

Recalls & Warnings

January 09, 2009

FDA Expands Warning to Consumers About Tainted Weight Loss Pills

On January 8, 2009, the U.S. FDA expanded its nationwide alert to consumers about tainted weight loss pills that contain undeclared, active pharmaceutical ingredients. On December 22, 2008, FDA warned consumers not to purchase or consume 28 different products marketed for weight loss.

Recalls & Warnings

April 30, 2003

Massive Recall by Australian Supplement Maker

On April 28, 2003, Australia's Therapeutic Goods Administration (TGA) suspended the licence held by Pan Pharmaceuticals Limited of Sydney to manufacture medicines, for a period of six months with effect 28 April 2003, because of serious concerns about the quality and safety of products manufactured ...

Recalls & Warnings

March 29, 2013

Prescription Drugs Found In Prostate and Sexual Enhancement Supplements

October 24, 2012 the FDA issued a warning letter to USA Far Ocean Group Inc./ Health & Beauty Group Inc. because a number of the company's dietary supplements were found to contain pharmaceutical drugs, or were promoted with statements that constitute drug claims.

Recalls & Warnings

September 08, 2012

Medifast Settles False Advertising Suit

On September 7, 2012, Jason Pharmaceuticals Inc., a wholly owned subsidiary of Medifast, agreed to pay a $3.7 million civil penalty and meet new compliance requirements as part of a settlement with the U.S. Department of Justice and the Federal Trade Commission.

Recalls & Warnings

December 22, 2008

FDA Warns Consumers About Tainted Weight Loss Pills

On December 22, 2008 the U.S. FDA alerted consumers not to purchase or consume any of more than 25 different products marketed for weight loss because they contain undeclared, active pharmaceutical ingredients that may put consumers’ health at risk.

Recalls & Warnings

October 13, 2018

Pharmaceutical Drugs Found In Dietary Supplements Pose Danger to Consumers

Almost 800 dietary supplements sold between 2007 and 2016 contained unapproved pharmaceutical ingredients, according to a study published today in the Journal of the American Medical Association (JAMA).

Recalls & Warnings

August 18, 2017

FDA Warns Consumers Not to Use Certain Liquid Multis, Vitamin D, and Other Supplements Due to Potential Bacterial Contamination

On August 11, 2017, the FDA advised the public not to use any liquid drug or dietary supplement products manufactured by PharmaTech LLC of Davie, Florida, and labeled by Rugby Laboratories, Major Pharmaceuticals, and Leader Brands, because they have the potential to be contaminated with ...

Recalls & Warnings

July 28, 2008

Seizure of Xiadafil VIP Tablets After Company Refuses Recall

On July 24, 2008, the FDA announced that U.S. Marshals seized nearly $74,000 worth of Xiadafil VIP tablets, Lots 6K029 and 6K209-SEI, distributed by SEI Pharmaceuticals, Inc. of Miami, Fla.

Recalls & Warnings

July 20, 2017

Jail Time for Seller of Spiked Supplements

On July 18, 2017, Derek Vest, the former president of Gentech Pharmaceutical located in Fort Meyers, Florida, was sentenced to 18 months in prison for introducing misbranded food into interstate commerce.

Recalls & Warnings

December 08, 2017

Limbrel Capsules for Osteoarthritis Linked With Potentially Life-Threatening Health Risk, FDA Warns

On December 4, 2017, the FDA urged consumers not to take Limbrel (Primus Pharmaceuticals), a capsule marketed to manage the metabolic processes associated with osteoarthritis, because it has been associated with serious adverse events, including drug-induced liver injury and a lung ...

Recalls & Warnings

July 09, 2010

FDA Issues Warning on Herbal Weight Loss Supplement

On July 8, 2010, the U.S. Food and Drug Administration (FDA) warned that Que She, marketed as an herbal weight loss supplement, contains active pharmaceutical ingredients not listed on the product label that could harm consumers, especially those with cardiovascular conditions.

Recalls & Warnings

February 20, 2013

Recall: Arthritis and Muscle Pain Supplement Contains Prescription Drugs

On February 15, 2013, Reumofan Plus USA, LLC and Reumofan USA, LLC announced a recall of Reumofan Plus, a dietary supplement promoted for arthritis and muscle pain, because it was found to contain the active pharmaceutical ingredients methocarbamol, dexamethasone, and diclofenac.

Recalls & Warnings

April 29, 2015

FDA Targets Weight Loss and Workout Supplements Listing Synthetic Stimulant DMBA

On April 24, 2015, the FDA issued warning letters to sellers of weight loss and workout supplements that list a synthetic, amphetamine-like compound called 1,3-dimethylbutylamine (DMBA) on product labels. 

Recalls & Warnings

April 08, 2015

Does Your Weight Loss or Sports Supplement Contain Synthetic Amphetamine?

A study published on April 7, 2015, reported that among 21 weight loss, sports and cognitive enhancement supplements labeled as containing the plant extract Acacia rigidula, more than half were found to contain a synthetic, amphetamine-like compound called beta- methylphenylethylamine ...

Recalls & Warnings

March 10, 2015

Seller of Vision Supplements Warned for Manufacturing Violations, Drug Claims

On February 26, 2015, the FDA issued a warning letter to Biosyntrx, following a facility inspection which found the company's products, including BioTears Oral Gel Caps, ZoOmega-3 Concentrated Pharmaceutical-Grade Fish Oil, EpiCor A Nutrient-dense High Metabolite Immunogen, Sight C+ Mineral ...

Recalls & Warnings

December 07, 2014

FDA Raises Concerns Over Generic ADHD Drugs

On November 13, 2014, the U.S.

Recalls & Warnings

June 15, 2009

Sexual Enhancement Supplement Recalled -- Second Time Found with Drug-like Compound

On June 15, 2009, the U.S. FDA announced that, per its order, Hi-Tech Pharmaceuticals, Inc. is conducting a nationwide voluntary recall of the company's product sold under the name Stamina-Rx.

Recalls & Warnings

October 10, 2003

Government Stops Sale of Supplements Claiming to Treat Obesity and Impotence

On October 8, 2003, The Food and Drug Administration (FDA) announced that on September 22, 2003, U.S. District Court Judge Robert J. Vining, Jr.

Recalls & Warnings

January 15, 2002

Recall of "Prostatin" Supplement -- Contains Aristolochic Acid

The U.S. Food and Drug Administration (FDA) released the following Class I recall information in its January 9, 2002 Enforcement Report.

Recalls & Warnings

September 08, 2011

FDA Warns Several Supplement Manufacturers Not Following Good Manufacturing Practices

In recent weeks, the U.S. FDA has sent warning letters to several supplement manufacturers regarding deficiencies identified during audits of their facilities and not adequately corrected. Use the links below to access the Warning Letters on the FDA website.

Recalls & Warnings

November 02, 2008

Sales of Weight-Loss Supplement Suspended -- May Contain Diuretic Drug

On October 31, 2008, Associated Press reported that makers of the weight loss supplement StarCaps have suspended sales following accusations that the product contains a non-listed pharmaceutical diuretic, Bumetanide.

Recalls & Warnings

December 26, 2008

Generic Manufacturer Suspends Production of All Tablets -- Including Generic Metoprolol Succinate ER

On December 23, 2008, KV Pharmaceutical advised the FDA that it voluntarily suspended all shipments of all of its FDA approved drug products in tablet form, including Metoprolol Succinate ER 100 mg and 200 mg products. [See related ConsumerLab.com Drug Investigation of Metoprolol Succinate ER.

Recalls & Warnings

October 09, 2013

Use of Chinese Supplement Linked to Rare But Serious Condition

On October 9, 2013, Health Canada warned consumers that Compound Danshen Dripping Pills, manufactured by Tianjin Tasly Pharmaceutical Co., have been associated with a case of methemoglobinemia, a rare but serious condition which may result in coma or death.

Recalls & Warnings

May 03, 2013

Maker of Probiotic, Iron and Folic Acid Supplements Warned For Manufacturing Violations

On April 17, 2013, the FDA issued a warning letter to Hillestad Pharmaceuticals USA, Inc.

Recalls & Warnings

April 26, 2015

FDA Identifies More Products Listing Synthetic Amphetamine

On April 22, 2015, the FDA issued warning letters to sellers of weight loss and workout supplements that list a synthetic, amphetamine-like compound called beta- methylphenylethylamine (BMPEA) on product labels.

Recalls & Warnings

October 16, 2018

Weight Loss Supplement Containing Hidden Drug Recalled

On October 15, 2018, Fat Burners Zone issued a recall of one lot of its Zero Xtreme weight loss supplement because it was found to contain sibutramine.

Recalls & Warnings

July 04, 2017

FDA Warns Against Company's Unsafe Teething Tablets

On June 20, 2017, the FDA issued a warning letter to Raritan Pharmaceuticals, Inc. following a routine inspection of the facility when it found the company's Homeopathic Infant's Teething Tablets in violation of current good manufacturing practice (CGMP) regulations.