Anabolic Androgenic Steroids (AAS) yog ib hom tshuaj steroid uas tsim los txhawb anabolism; txheej txheem ntawm kev tsim thiab synthesizing molecules nyob rau hauv lub cev. Txhua AAS yog derivatives ntawm steroid hormone testosterone. AAS tau tsim los txhim kho raws li testosterone cov nyhuv anabolic thaum txo qis cov nyhuv androgenic hauv kev kho cov neeg mob catabolic mob. Cov nyhuv anabolic ntawm AAS yog los txhawb kev sib txuas ntawm cov protein los ntawm kev siv cov amino acids kom zoo, tiv thaiv kev tawg ntawm cov protein, khaws cov nitrogen thiab tsim cov leeg pob txha. Cov teebmeem Androgenic yog cov muaj feem xyuam rau kev puberty xws li txiv neej qauv baldness, deepening ntawm lub suab, lub ntsej muag plaub hau kev loj hlob, nce sebaceous gland excretion. AAS, xws li Anavar, muaj kev ua haujlwm siab anabolic (siab anabolic: androgenic piv ntawm 10: 1) piv rau testosterone (anabolic: androgenic piv ntawm 1: 1).