started · updated
Creatine and HMB: Mechanisms for muscle mass and strength
Recent research and nutritional analysis highlight the distinct roles of creatine and HMB in muscle management. Creatine is widely recognized for increasing energy availability during intense effort by boosting phosphocreatine stores, making it highly effective for improving strength and power in those performing resistance training.
HMB, a metabolite of the amino acid leucine, functions primarily by reducing muscle protein breakdown, which may be particularly beneficial for individuals at risk of muscle loss due to aging or inactivity. While creatine has more robust scientific backing for performance enhancement, HMB serves as a specialized option for muscle preservation.
A study from Texas A&M University involving sedentary adults aged 45 to 65 suggests that creatine may provide benefits even without formal resistance training. Among participants who did not engage in an exercise program, those receiving 10 grams of daily creatine showed increases in lean tissue mass and strength in arm and leg pressing exercises. For those who combined creatine with exercise and dietary changes, the results included greater reductions in body fat percentage and improved muscular endurance. Additionally, preliminary findings indicate potential cognitive benefits, though further research is required.
Entities
Journal of the International Society of Sports Nutrition · Texas A&M University