25-Deoxy-20-Hydroxyecdysone
Also known as Ponasterone A. An ecdysteroid and analog of 20-hydroxyecdysone. 25-Deoxy-20-Hydroxyecdysone is sometimes listed as a component of standardized extracts used in bodybuilding supplements, although there is little information on what effects – if any – it has on mammals when given in isolation (FYI: one chemical supplier states it’s “inert to mammalian...
20-Beta-Hydroxyecdysone
See 20-Hydroxyecdysone.
Beta-Ecdysone
See 20-Hydroxyecdysone.
Hydroxyecdysone
See 20-hydroxyecdysone.
20-Hydroxyecdysone
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...
Ecdysteroids
Ecdysteroids are steroid compounds found in insects and a number of plants (phytoecdysteroids). According to an extensive review, “the metabolic fate of ecdysteroids in mammals, including humans, is only poorly known.” They appear to be non-toxic and—according to Eastern European/Soviet research, may have modest growth-promoting effects in animals. Recent research suggests ecdysterones can increase protein synthesis in human and...
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