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Weight Loss Supplements (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)

Weight Loss Supplements Tested by ConsumerLab.com

Trying to find the best and safest weight loss supplements? See our independent tests of popular brands and our review of the evidence for ingredients like 7-keto DHEA, forskolin, and stimulant blends containing sources of caffeine and synephrine. Learn about efficacy, dosage, side effects, and potential drug interactions.

Weight Loss Supplements (7-Keto DHEA, Forskolin and Stimulant Blend Supplements) Review

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CL Answer

Will 7-keto DHEA help me lose weight?

Learn more about 7-keto DHEA supplements for weight loss, including clinical results.

7-Keto DHEA for Weight Loss? -- supplement and pills on scale

Product Review

DHEA Supplements Review

Choose the Best DHEA Supplement. Beware of Big Differences in Dose and Price.

DHEA Supplements Tested by ConsumerLab.com

News Release

July 22, 2015

ConsumerLab.com Tests DHEA Supplements, Warns of Differences in Dose and Price

White Plains, New York, July 22, 2015 — DHEA is a controversial hormone supplement touted for anti-aging effects — but what can it really do? ConsumerLab.com reviewed the evidence and purchased many popular brands of DHEA to test their quality.

News Release

July 07, 2014

Which Weight Loss Supplements Are Best? ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular Products

White Plains, New York, July 7, 2014 — Dozens of supplement ingredients have been touted for weight loss, but which have the strongest evidence showing they work and, among those, which products are highest in quality? To answer these questions, ConsumerLab.

CL Answer

Have any supplements been shown to increase women's libido?

Learn more about supplements that may increase women's libido, including DHEA and maca.

Couple 1400

CL Answer

Could my CoQ10 supplement be causing my insomnia?

Learn more about the impact on sleep that supplements such as CoQ10, St. John's wort, and DHEA may have. Insomnia may be caused by certain supplements.

Woman with insomnia awake in bed and having trouble sleeping

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.

Elderly couple yoga pose in sunshine

Recalls & Warnings

May 09, 2022

Natural Organics Keto Capsules Recalled Due to Gluten

On March 6, 2022, Natural Organics, Inc. issued a recall of four lots of NaturePlus Keto Living Sugar Control Capsules that were found to contain gluten.

CL Answer

10 Supplements That May Boost Testosterone (And 11 That May Not)

Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.

Chalkboard sign that says low testosterone sitting on a table in front of a book and supplements

News Release

December 14, 2010

DHEA supplements, touted for anti-aging and strength, reviewed by ConsumerLab.com. Testing finds one brand with only 14.7% of labeled amount

WHITE PLAINS, NEW YORK — DECEMBER 14, 2010 — Recent tests of DHEA supplements showed that most products contained their claimed amounts of the controversial ingredient, but one provided only 14.7% of its listed amount, the testing company ConsumerLab.com reported today.

News Release

March 02, 2010

ConsumerLab.com finds carcinogenic form of chromium in supplements, including those for weight loss -- Reviews published of supplements containing chromium, green tea, 7-keto DHEA and stimulant formulas

White Plains, New York — March 2, 2010 — A carcinogenic form of chromium, hexavalent chromium, is present is some dietary supplements, according to new tests by ConsumerLab.com.

CL Answer

Which supplements help with erectile dysfunction?

Supplements for erectile dysfunction. Find out which supplements can help with ED, including ginseng, L-arginine, and maca.

Man in Grey Tee Holding Water and White Supplement

News Release

January 20, 2010

ConsumerLab.com finds quality of most CLA supplements for slimming to be high; One brand mislabeled -- Report is first published in series on supplements for weight loss and slimming

ConsumerLab.com Finds Quality of Most CLA Supplements for Slimming to be High; One Brand Mislabeled

News Release

May 19, 2009

Review of Magnesium Supplements by ConsumerLab.com Shows One-Quarter Fail Quality Tests

WHITE PLAINS, NEW YORK — MAY 19, 2009 — ConsumerLab.com reported today that among twelve magnesium supplements selected for testing, only nine met quality standards. One supplement contained only 45.

Recalls & Warnings

January 20, 2021

Seller of Omega-3 Warned for Making Claims to Treat Focus, Mood

On December 9, 2020, the FDA issued a warning letter to Bodyhealth.com, LLC following a review of the company's website, which found statements made about the company's products Healthy-Thin Energize, Body Detox (Oral Spray), and Omega 3 Health to be drug claims.

Recalls & Warnings

January 12, 2021

Seller of Cholesterol, Weight Loss Products, and More Warned for Claims

On November 17, 2020, the FDA issued a warning letter to Bonagens following a review of the company's website, which found statements made about the company's products Anti-Aging Supports, Cholesterol & Diabetes Control, Gout Control, Hypertension Control, Liver Supports, Lungs ...

Clinical Update

9/28/2022

Spark Keto for Weight?

A CL Member asked if Spark Keto (a.k.a. K3 Spark), can help with weight management. Find out what research suggests in the Appetite Suppressants section of our CL Answer about Supplements for Weight.

News Release

April 28, 2009

40% of Green Tea and Selenium Products Fail ConsumerLab.com Review of Cancer-Prevention Supplements; Lycopene Supplements Pass

WHITE PLAINS, NEW YORK — APRIL 28, 2009 — ConsumerLab.com announced results today of its Product Review of Supplements for Cancer Prevention.  Among the products that ConsumerLab.com selected for testing, quality problems were found with two out of five green tea supplements.

Clinical Update

3/05/2024

Sweeteners for Keto Diet

See which sweeteners are our Top Picks for those on a low-carb or ketogenic diet. We’ve added this to our article about sugar substitutes.

News Release

March 31, 2009

ConsumerLab.com Warns of Problems with Multivitamins and Vitamin Water -- Defects Found in Over 30% of Supplements Selected for Testing; Several Popular Children's Multis Exceed Tolerable Upper Intake Levels

WHITE PLAINS, NEW YORK — MARCH 31, 2009 — Over 30% of multivitamins recently selected for testing by ConsumerLab.com were found to contain significantly more or less ingredient than claimed or were contaminated with lead.

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

November 15, 2005

Testing by ConsumerLab.com identifies many problems with popular supplements for weight loss, slimming, and blood sugar control

Westchester, NY — November 15, 2005 — In a series of reports released today, ConsumerLab.com revealed test results for supplements used for weight loss, slimming, and blood sugar control. Among the twenty-three products that ConsumerLab.

News Release

December 10, 2002

Lupus patients cautioned about hormone supplement — ConsumerLab.com releases DHEA testing results online today

WHITE PLAINS, NY — December 10, 2002 — In its latest Product Review, ConsumerLab.com found that 3 of the 17 DHEA (dehydroepiandrosterone) supplement products it tested contained less than their claimed amounts of this hormone — one having less than one-fifth of what it claimed.

Recalls & Warnings

May 29, 2021

FDA, FTC Warns Five Sellers of "Infertility" Supplements

The FDA and FTC (Federal Trade Commission) sent warning letters to the following five companies in May for illegally selling dietary supplements promoted with claims to treat infertility and other reproductive health issues:

Recalls & Warnings

September 26, 2017

FDA Warns Seller of DHEA, Creatine, Chromium & More for Manufacturing Violations, Drug Claims

On August 25, 2017, the FDA issued a warning letter to Mega-Pro Nutrition, Inc., following inspections of the facility and website www.mega-pro.

Recalls & Warnings

January 29, 2018

Seller of Male Enhancement, Prostate Supplements & More Warned for Drug Claims

On January 10, 2018, the FDA issues a warning letter to USA Labs AKA Power Source Distributors, Inc following a review of the company's website which found statements made about its products, including Maximum Male, Beta 300 (Beta Prosturol), Chromium Max 1000, DHEA, Healthy Cold-X and ...

Recalls & Warnings

October 18, 2012

Natural Product Manufacturer Warned For GMP Violations, Misbranding, Unapproved Devices and Drug Claims

On August 28, 2012, the FDA issued a warning letter to Creation's Garden Natural Products, Inc. following an inspection of the company's manufacturing facility, which found violations of Current Good Manufacturing Practices (CGMPs) for dietary supplements.

Recalls & Warnings

September 13, 2010

ExtenZe Enhancement Supplements Seized in Canada

On August 19, 2010, Health Canada (Canada's health ministry) seized the sexual enhancement supplements "Male Enhancement ExtenZe" and "Women ExtenZe" which were imported from the U.S. Although legal and widely sold in the U.S.

Recalls & Warnings

December 19, 2013

Maker of Joint Health Supplements Warned for Manufacturing Violations

On December 4, 2013, the FDA issued a warning letter to PurQuality, LLC.

Recalls & Warnings

May 03, 2013

Maker of Omega-3, Saw Palmetto, St. John’s Wort Supplements And More Warned For Manufacturing Violations and Drug Claims

On March 19, 2013, the FDA issued a warning letter to Sunset Natural Products Inc.