Reviews and Information for Maca
Maca Supplements
Find the best maca supplements, evidence for using maca for sexual function and libido, osteoarthritis and more. Plus, dosage, safety, side effects and potential drug interactions. All testing done independently by ConsumerLab.com.
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Product Review
Sexual Enhancer Supplements Review (with Yohimbe, Horny Goat Weed, Arginine)
Choose the Best Sexual Enhancer Supplement. Only 30% of Selected Sexual Enhancement Supplements Pass Quality Tests.

News Release
July 01, 2015
Tests of Maca "Enhancement" Supplements Find Real Maca, But Some Lead Contamination and Seemingly Excessive Amounts of Rice Filler
White Plains, New York, July 1, 2015 — It's touted for increasing stamina and sexual performance and sales have steadily increased for more than a decade, but do maca supplements really contain this root indigenous to Peru? To answer this question, ConsumerLab.
Clinical Update
2/03/2018
Lead in Maca Powder
A woman in California who was taking maca powder daily to treat fatigue found it was also increasing the concentration of lead in her blood. More concerning is that the amount of lead in her maca was only 1/3 the lead level in one of the popular maca powders tested by ConsumerLab.com. Get the details, and find out which maca supplements passed or failed ConsumerLab.com’s tests in the Maca Supplements Review.
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.

Product Review
Protein Powders, Shakes, and Meal Replacements Review
Find Out Which Protein Products Passed or Failed Our Tests

Clinical Update
4/13/2019
Maca for Improved Functioning?
Do maca supplements improve functioning and lessen fatigue? A recent study found different results for men and women. Get the details in the What It Does section of the Maca Supplements Review. Also see our top choices among maca products.
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.

CL Answer
Are there supplements that can reduce prostate size?
How to reduce prostate size using supplements for benign prostatic hyperplasia (BPH), including beta-sitosterol and saw palmetto.

CL Answer
I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too?
Find out if rice bran oil can contain high levels of arsenic like whole rice and other rice products do.

Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins -- Caution with Gummies

CL Answer
With herbal supplements, what is the difference between root powder and root extract? Does it matter?
Learn more about the different forms of herbal supplements, including aloe, boswellia, ginkgo, green tea, and milk thistle.

CL Answer
Which foods and supplements contain lead, cadmium, or arsenic?
Discover which foods and dietary supplements contain lead and other metals, the limits, who’s testing, and how to stay safe.

Recalls & Warnings
May 12, 2018
Seller of Maca Powder Warned for Drug Claims
On April 18, 2018, the FDA issued a warning letter to Herbs America, Inc. following review of the company's website, and the company's Maca Magic store on www.amazon.
CL Answer
Which supplements help to improve energy and decrease fatigue?
Energy supplements and vitamins - Some can help increase energy and reduce fatigue, including CoQ10, curcumin/turmeric, cocoa, and B vitamins.

CL Answer
10 Supplements That May Boost Testosterone (And 13 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.

Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands

Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead

Product Review
Electrolytes & Sports Drinks Review
See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes

Product Review
Lavender and Tea Tree Essential Oils Review
Oils Tested for Authenticity and Purity

Recalls & Warnings
May 08, 2024
APG SEVEN Warned for Promoting Products for Cancer, Depression, Arthritis, & More
On April 18, 2024, the FDA issued a Warning Letter to APG SEVEN, INC following a review of the company’s product labels, website, and social media, which found statements about the company’s BioMoringa, BioDiabetin, Maca Plus, BioProstate, Immune Support, HongoTrap, Honbacterol, ...
CL Answer
What are human growth hormone (HGH) supplements? What are the benefits? Are they safe?
Learn about the benefits and risks of human growth hormone (HGH) supplements and injections. Get science-based insights on usage and effects.

CL Answer
Are Hormone Harmony and other Happy Mammoth Supplements Worth Taking?
Are the supplements Hormone Harmony, Hormone Harmony Plus+, Prebiotic Collagen Protein, or Bloat Banisher by Happy Mammoth likely to be beneficial for menopause symptoms or digestive health? Find out.

Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Our Top Picks and Which 5 Failed Testing

News Release
March 05, 2015
ConsumerLab.com Shows Chinese Consumers What's Really in Foods and Supplements -- U.S. Testing Company Expands to China, Launches cn.ConsumerLab.com
White Plains, New York, March 5, 2015 — Since 1999, American consumers and doctors have turned to ConsumerLab.com (CL) to find out which nutritional products are highest in quality based independent testing. Today, CL launched a Chinese-language website cn.ConsumerLab.
Recalls & Warnings
November 07, 2024
Sexual Enhancement Supplements Sold on Amazon Recalled
On November 4, 2024, four sexual enhancement supplements sold on Amazon and other websites, ZoomMax and ZapMax (Boulla LLC) and VitalityXtra and PeakMax (VitalityVita LLC) were recalled because they were found to contain undeclared prescription drugs, ...
CL Answer
Does cat’s claw have any health benefits and is it safe?
Cat's claw is promoted for numerous conditions, including arthritis (including osteoarthritis and rheumatoid arthritis), Alzheimer's disease, viral infections, boosting immune response to vaccination, and reducing side effects of chemotherapy. Find out if it works and if it's safe.

Recalls & Warnings
January 04, 2024
Lone Star Botanicals Warned by FDA for Manufacturing Violations
On November 26, 2023, the FDA issued a Warning Letter to Lone Star Botanicals, Inc.
CL Answer
Is kratom too dangerous to use?
Find out if kratom is safe/legal to use, including potential adverse effects, such as agitation, rapid heartbeat, nausea, drowsiness, seizures, and possible drug interactions.

Recalls & Warnings
July 18, 2017
Seller of "Super Strength Prostate Formula," Acai Berry Supplements & More Warned for Drug Claims
On June 30, 2017, the FDA issued a warning letter to Nature's Health Company, LLC, following a facility inspection and review of the company's website, www.natureshealthcompany.
Recalls & Warnings
April 08, 2019
Herbal "Coffee" for Sexual Enhancement Recalled
On March 22, 2019, Brian Richardson DBA "In Tha Pink" issued a recall of ground Kopi Jantan Tradisional [sic] Natural Herbs Coffee, a supplement promoted for male sexual enhancement, because FDA analysis found it to contain sildenafil and tadalafil.
Recalls & Warnings
April 17, 2020
Seller of Vitamin D, MSM, Selenium & More Warned for Drug Claims
On March 31, 2020, the FDA issued a warning letter to KetoKerri LLC following a review of the company's website, which found statements made about some of the company's products, including Dr.
Recalls & Warnings
November 29, 2019
FDA Warns Seller of "All Natural" Treatment for Opioid Withdrawal, Migraines & More
On November 18, 2019, the FDA issued a warning letter to EPH Technologies, Inc., following a review of the company's websites, which found statements made about some of the company's products, including Detoxoplex, Sinople, and Migrenz, to be drug claims.
Recalls & Warnings
April 04, 2013
Three More Sexual Enhancement Supplements Found To Contain Undeclared Drugs
On April 3, 2013, the FDA warned consumers that the sexual enhancement supplements AFFIRM XL, Love Rider and Ninja Mojo were found to contain undeclared erectile dysfunction drugs. Consumers are urged to stop using these supplements immediately.
News Release
August 31, 2011
ConsumerLab.com analyzes supplements for sexual dysfunction -- Only three out of ten products selected for testing pass
WHITE PLAINS, NEW YORK — August 31, 2011 — Only three out of ten supplements selected for testing that are for sexual enhancement passed ConsumerLab.com's latest investigation.
Recalls & Warnings
May 15, 2018
Seller of Apple Cider Vinegar, Joint Supplements & More Warned for Drug Claims
On April 25, 2018, the FDA issued a warning letter to Baker's Best Health Products, Inc.
Recalls & Warnings
August 03, 2017
Protein Bars Recalled Due to Listeria Risk
On August 2, 2017, Amrita Health Foods recalled several varieties of protein bars due to potential contamination with Listeria monoocytogenes.
Recalls & Warnings
March 21, 2017
Twenty-one Sexual Enhancement Products Recalled
On March 7, 2017, A&H Focal Inc. issued a recall of the following sexual enhancement supplements because they were found to contain drugs such as sildenafil, tadalafil, vardenafil:
Recalls & Warnings
December 05, 2014
Maker of Ginseng, Zinc, Calcium and More Warned for Manufacturing Violations
On November 20, 2014, the FDA issued a warning letter to Long Island Pharmaceuticals, LLC, following a facility inspection which found the company's products to be adulterated because they were prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary ...
Recalls & Warnings
February 19, 2014
Seller of Sexual Enhancement Supplements Warned For Manufacturing Violations
On February 11, 2014, the FDA issued a warning letter to Maximus Niterider International Group, Inc.
Recalls & Warnings
May 07, 2013
FDA Warns Consumers Of Three More Sexual Enhancement Supplements Containing Undeclared Drugs
On May 7, 2013, the FDA issued a warning to consumers, urging them not to purchase or use three sexual enhancement products which were found to contain undeclared drugs.
Recalls & Warnings
May 03, 2013
Recall: Two Sexual Enhancement Supplements Containing Undeclared Drugs
On May 1, 2013, American Lifestyle issued a voluntary recall of all lots of sexual enhancement supplements Vicerex and Black Ant because they were found to contain undeclared prescription drugs.
Recalls & Warnings
November 02, 2012
Maker of Joint Health, Blood Sugar, Prostate, Ginkgo Supplements and More Warned For Drug Claims, Misbranding and Adulteration
On September 10, 2012, the FDA issued a warning letter to Global Source Management & Consulting for making drug claims about the following dietary supplements: Scientific Joint Program capsules, Alpha Lipoic Acid, Healthy Blood Sugar Diabetic Support, Dr.