title: Over-the-counter sports supplements: what clinicians need to know.
abstract: Sports supplements have gained popularity, especially after endorsements by well-known professional athletes. Since these supplements are thought of as being "natural", users often think of them as being safe. We discuss 4 popular supplements: creatine, androstenedione, dehydroepiandrosterone, and chromium.
authors.affiliation: Department of Medicine, Yale University School of Medicine, New Haven, CT, USA.
authors.forename: Zadie N
authors.initials: ZN
authors.lastname: Kenkare
authors.forename: Daniel G
authors.initials: DG
authors.lastname: Federman
mesh_terms: D000735:Androstenedione; D002857:Chromium; D003401:Creatine; D003687:Dehydroepiandrosterone; D019587:Dietary Supplements; D005260:Female; D006801:Humans; D008297:Male; D004366:Nonprescription Drugs; D013178:Sports Medicine
chemical_list: D004366:Nonprescription Drugs; D002857:Chromium; D000735:Androstenedione; D003687:Dehydroepiandrosterone; D003401:Creatine