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CL Answers (8)

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Recalls & Warnings (310)

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Clinical Updates (7)

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9/30/2015

Inaccurate Yohimbe Labels

Yohimbe supplements contain an active compound, yohimbine, which is an old drug for erectile dysfunction. A recent study found that most yohimbe supplements don't list the amount of yohimbine they contain, and those that do are typically inaccurate — similar to what ConsumerLab.com has found. For more about the study as well as our own tests of products, see the Sexual Enhancement Supplements Review >>
11/09/2021

Saw Palmetto Concern

Does saw palmetto cause sexual dysfunction? Get the details in the updated Concerns and Cautions section of our Prostate Supplements Review.
11/24/2015

Herbal Arousal

We have previously reported that ashwagandha extract may improve fertility in men. A new study suggests that it can improve sexual function in women. Details about the product and dosage, and our tests of products on the market, are found in the Ashwagandha Review >>
9/17/2019

Omega-3s for Cognition?

Several studies have attempted to boost cognition and memory in healthy people using omega-3 supplements from fish or krill oil. Find out if they succeeded, including a recent study among adolescents, in the Memory Enhancement in Healthy Individuals section of the Fish Oil Supplements Review. Also see our Top Picks among products.
10/08/2019

Fish Oil to Improve Cognition?

See the results of the most recent study of fish oil to improve memory and cognition in the Memory Enhancement section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
2/04/2020

Problems With Huperzine A

A recent analysis of supplements claiming to contain huperzine A (promoted for memory enhancement) found problems with most products. For details see the Concerns and Cautions section of the Huperzine A Supplements Review. Also learn what clinical studies have shown with huperzine A in the What It Does section and see which huperzine A supplements have been Approved by CL.
8/28/2020

Concern Over Memory Supplement Quality

Many supplements with phosphatidylserine – promoted for memory enhancement -- do not contain their listed amounts of this ingredient, according to a new report. Get details and learn what clinical studies show with phosphatidylserine in our updated answer to the question: Do either phosphatidylserine or phosphatidylcholine help with memory and cognition?

News Releases (19)

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