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Classes of Commonly Used Performance-Enhancing Drugs
| Anabolic Agents |
| Anabolic steroids |
| Testosterone |
| Steroid precursors |
| Dehydroepiandosterone |
| Androstenedione |
| Nutritional Supplements |
| Creatine |
| Protein/amino acids |
| β-hydroxy β-methylbutyric acid |
| Stimulants |
| Ephedrine |
| Caffeine/Guarana |
| Other |
| Human growth hormone |
| Erythropoietin |
| Blood doping |
| Diuretics |
| Actovegin (calf blood extract) |
