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Saw palmetto

Serenoa repens · Foundation

LimitedLittle human data, early, small, or narrow.

The classic prostate herb, which the best trials say does no better than placebo for urinary symptoms.

What the evidence says

Two large, well-run trials found no benefit over placebo for benign prostatic hyperplasia symptoms; the hair-loss claim is weaker still.

What studies used

Trials commonly use 320 mg standardized extract per day.. Daily..

Reported from published studies and product labelling — a record of what was used in research, not a recommendation. What is right for you is a conversation with a clinician.

Watch out for

  • Do not swap it for evaluation of urinary symptoms

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