Effect of Oral Androstenedione on Serum Testosterone and Adaptations to Resistance Training in Young Men

An-drostenedioneisalsoproducedbysomeplants and has recently been mar-ketedasaproductforincreasingbloodtestosteroneconcentrationstobeusedas a natural alternative to anabolic ste-roid use.However,theinterconversionsofan-drostenedioneandtestosteronetootherandrogens, as well as to estrogens, arecomplex.Inadditiontoservingasapre-cursor to testosterone, androstenedi-onemaybeconvertedintoestrogensdi-rectly.