Is rye (Secale cereale) an effective treatment for benign prostatic hyperplasia (BPH)?

Updated: Feb 19, 2021
  • Author: Levi A Deters, MD; Chief Editor: Edward David Kim, MD, FACS  more...
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This extract is made from pollen taken from rye plants growing in southern Sweden. Suggested mechanisms of action involve alpha-blockade, prostatic zinc level increase, and 5-alpha-reductase activity inhibition. Significant symptomatic improvement versus placebo has been reported.

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