What is S-23?
Full Name: (2S)-N-(4-cyano-3-trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methyl-propanamide
S-23 is an investigational selective androgen receptor modulator (SARM), Inc as a potential male hormonal contraceptive. It binds to the androgen receptor more strongly than older drugs such as andarine with a Ki of 1.7nM, and in animal studies it showed both a good ratio of anabolic to androgenic effects, and dose-dependent suppression of spermatogenesis with spontaneous recovery after cessation of treatment.
Anabolic steroids and prohormones are the “in” thing for many athletes and bodybuilders. But, with the entry of SARMS a.k.a. Selective Androgen Receptor Modulators in the supplement industry, many have made the big switch. SARMS offer the same benefits of traditional anabolic androgen steroids such as increase in testosterone, lean muscle mass, fat loss and bone density, while offering a lower risk of producing the negative side effects that come with steroids.
S-23 Description
S23 or (2S)-N-(4-cyano-3-trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methyl-propanamide is a new SARM from GTX, Inc. which is developed as a possible male hormonal contraceptive. It links to the androgen receptor (AR) more intensely (with a Ki of 1.7nM) as compared to older medicines such as Andarine.
In animal research, S23 displayed a good ratio of anabolic to androgenic effects as well as dose-dependent restraint of spermatogenesis (the course of sperm cell development) with unprompted recuperation after end of treatment.
Chemical Formula: C18H13ClF4N2O3
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