The Effects of Beta-Hydroxy-Beta-Methylbutyrate on Body Composition in Trained MMA Fighters

Introduction: Nutrition plays an important role for mixed martial art (MMA) athletes preparing competition. Additionally, nutritional supplements are widely used by Among the various MMA athletes, β-hydroxy-β-methylbutyrate (HMB) is one supplement that may have positive effects on body composition during a fight camp. Methods: The current study examined 16 healthy, male professional fighters (29.0±3.5 yrs.; 178.5± 7.8 cm). Participants completed randomized, double-blinded, two group [HMB versus Placebo (Cellulose)] two-time point [Pre-, Post-], study. consisted of subjects supplementing HMB (3g daily) or placebo in conjunction with training over 6-week period. Supplementation was consumed after each morning session and first thing non-training days. Body assessed via InBody770® (InBody UK, United Kingdom) both pre- post-intervention. Results: There were no significant (p = 0.471) differences between (Table 2) following 6-weeks weight (HMB Pre- 84.6±10.8kg, Post- 84.1±11.6kg; 87.9±14.2kg, 87.9±13.5kg). also 0.095) skeletal muscle mass (SMM) 42.3±5.4kg, 41.8±5.1kg; 44.2±9.0kg, 44.6±8.8kg). No 0.655) existed fat 11.3±2.5kg, 11.2±3.8kg; 11.0±4.9, 11.2±3.6). Lastly, 0.641) % 13.3±2.5%, 13.2±3.4%; 12.8±6.4%, 12.3±6.6%). Conclusion: Based results, use to improve trained not supported. difference six weeks.