Keywords: Andarine, S4, SARM
S4 (Andarine) or Acetamidoxolutamide, is a a selective androgen receptor modulator or SARM for short. It is a research chemical that belongs to SARMS, also called as selective androgen receptor modulators. S4 is said to be the most potent SARM which helps sustain lean muscle mass while stimulating fat loss at the same time. Today, we’ll take a closer look on everything there is to know about S4.
What is S4?
S4 is a form of SARM that attaches to the androgen receptor (AR) the same with regular androgens, the only variation is that S4 generates selective anabolic activity. S4 is a SARM with utmost androgenic effects as it has 1/3 of the strength of testosterone when attaching to AR.
Compared to anabolic steroids and prohormones, Andarine does not have androgenic activity in non-skeletal muscle tissues
S4 is a very effective SARM with a half-life of 4 hours. It can decrease the size of the prostate if taken as recommended. It is administered orally.
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