Several supplements have shown promise in improving memory and/or cognition. But tests by ConsumerLab.com show that many brands do not provide the expected ingredients.
Of the products CL selected, two Ginkgo biloba supplements appeared to contain adulterated material and two others contained less ginkgo than claimed on their labels, one of which was contaminated with lead and also failed to break apart properly. A fifth supplement failed to identify the part of the ginkgo plant used, a FDA labeling requirement. Seven ginkgo supplements are listed as passed ConsumerLab.com’s tests.
Three huperzine supplements passed testing but a third provided only 14% of its claimed amount of the ingredient. Five acetyl-L-carnitine supplements passed testing.
You must subscribe to get the full test results and ConsumerLab recommendations. In this comprehensive report, you'll discover:
- Which products failed testing and which passed
- What to look for, or look out for, with supplements for memory and cognition -- and what the latest clinical trials suggest
- Dosage used for specific medical conditions
- Concerns and cautions with ginkgo, huperzine A, and acetyl-L-carnitine
- Information about ingredients that may help memory, including DHA in fish oil, nicotinamide, phosphatidylserine and vinpocetine.
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