- Drostanolone propionate
Dromostanolone Systematic (IUPAC) name (2R,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-2,10,13-trimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one Clinical data Pregnancy cat. X Legal status Schedule IV (CA) Schedule III (US) Routes Intramuscular injection or transdermal cream Pharmacokinetic data Bioavailability Oral 0-2%, Intramuscular 100% Protein binding highly Metabolism hepatic Half-life 2-3 Days Excretion renal Identifiers CAS number ATC code A14 PubChem DrugBank ChemSpider ChEBI Chemical data Formula C23H36O3 Mol. mass 360.53 g/mol SMILES & (what is this?)
Drostanolone propionate (trade name Masteron) is an anabolic/androgenic steroid which is the propionate ester of drostanolone. It is known to be highly androgenic and mildly anabolic. It is incapable of aromatization and has similar properties to dihydrotestosterone. It has been successfully used as a breast cancer drug, but because of the high risk of virilization, safer options are prescribed.
Use in sports
Drostanolone propionate is used primarily by athletes who need to retain strength while losing mass. It is beneficial to runners and athletes who must remain in a certain weight class.
It has gained popularity in the bodybuilding community as a diuretic and muscle defining drug. Individuals interested in using the drostanolone propionate are those that are looking to add muscle hardness and density to their physiques, nearly always for the purpose of bodybuilding competitions.
Drostanolone propionate can increase muscle hardness and density, giving an individual a more complete appearance when competing on stage. However, an already rather low body-fat level is needed for it to take full effect. Drostanolone propionate can promote increased strength while keeping body fat the same or even lowering it, something can help to prevent muscle loss while dieting. This can also allow strength athletes or those athletes in sports which have weight classes to increase performance without the risk of being raised into a higher weight class or add mass that may hinder performance.
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