castasterona
Castasterone is a synthetic anabolic steroid that was developed in the Soviet Union during the 1960s. It is a 17-alpha-alkylated derivative of testosterone, specifically a 17-alpha-methyl-19-nor derivative. Castasterone is known for its high anabolic and androgenic activity, making it a popular choice among bodybuilders and athletes seeking to enhance muscle mass and strength.
The drug was first synthesized by the Soviet chemist Vladimir Petrovich. It gained attention in the bodybuilding
However, the use of castasterone is associated with several risks and side effects. These include liver toxicity,
Despite its potential benefits, the use of castasterone is generally discouraged due to the significant health