1. Androstenedione
What It Does It is said that supplemental androstenedione can significantly increase blood testosterone levels and build muscle. Androstenedione is metabolized into testosterone in both men and women, and is reported to increase nitrogen preservation resulting in increased muscle mass. ... Taking approximately 100 mg of Andro per day along with weight lifting can cause an increase in muscle mass and muscle volume as well as strength increases. ... Use of androstenedione supplements may increase the testosterone/epitestosterone ratio and thus may be detectable in drug tests. ... Human per...
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- Grade Level: Undergraduate