Reading Time: 2 minutesIntroduction In the United States, bodybuilding has surged in popularity among males, with over 78 million adults engaging in resistance training annually, according to the Centers for Disease Control and Prevention (CDC). A key pillar of this culture is nutritional supplementation, particularly amino acids, which are marketed as catalysts for muscle protein synthesis (MPS) and recovery. Essential amino acids (EAAs), branched-chain amino acids (BCAAs), and others like glutamine and arginine promise enhanced hypertrophy, reduced fatigue, and superior performance. However, amid aggressive marketing, scientific scrutiny reveals a nuanced picture of efficacy and safety. This review synthesizes evidence tailored to American males … Continue reading →