Bigger? Faster? Stronger? What do performance supplements really offer?
Cornell
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D000735:Androstenedione / Q000627:therapeutic use*; D003401:Creatine / Q000627:therapeutic use*; D004365:Drugs, Chinese Herbal; D006801:Humans; D009722:Nurse Practitioners; D011597:Psychomotor Performance / Q000187:drug effects*; D013178:Sports Medicine
D004365:Drugs, Chinese Herbal; D000735:Androstenedione; D003401:Creatine