20-Hydroxyecdysone - Glossary

20-Hydroxyecdysone

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An ecdysteroid shown to have modest, growth-promoting and muscle-building effects in animal experiments. 20-hydroxyecdysone (or plant extracts standardized for 20-hydroxyecdysone) is non-toxic, and used in a variety of bodybuilding supplements, but whether it actually helps increase muscle mass and strength in humans is unknown.  A small, 2006 study on resistance-trained males taking a standardized, Polypodium vulgare/Suma root extract showed no effect at the dose administered.

Supplements containing 20-hydroxyecdysone (CAS 5289-74-7) use a variety of synonyms, including 20-beta-hydroxyecdysterone, beta-ecdysterone, beta-ecdysone, 20-hydroxy-ecdysterone, 20-beta-hydroxy ecdysone,  hydroxyecdysone, ecdysterone, and ecdisten.

Author: elissa

Elissa is a former research associate with the University of California at Davis, and the author/co-author of over a dozen articles published in scientific journals. Currently a freelance writer and researcher, Elissa brings her multidisciplinary education and training to her writing on nutrition and supplements.

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