Research has shown that S4 andarine, binds to the androgen receptor which creates an increase in the expression of genes associated in protein synthesis which would in turn increase lean muscle mass. Studies have shown S-4 preserves lean muscle mass as well as increasing it making it a great benefit to fighting osteoporosis and muscle degeneration. S-4 is known to be one of the most popular SARMS because research has shown the potential for increased stamina, lean muscle mass, and vascularity.
SARM’s have not been evaluated by the FDA and are banned by WADA. All of the products listed on this website are for research purposes only and are not for human consumption.