Saw palmetto is a top-selling men's herbal supplement, but the two largest NIH-funded trials and a 2023 Cochrane review found it works no better than a placebo.
mens health
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Do Men's Multivitamins Actually Work? What the Largest Trials Found
14,641 physicians over 11 years showed no heart benefit from multivitamins, but COSMOS found improved memory in older adults. What the trials really show.