Vitamin D3 Vial

Vitamin D3 (cholecalciferol) supports overall health for physically active individuals by influencing muscle function, athletic performance, and injury recovery. Optimizing levels increases muscle strength, including quadricep strength, and enhances isometric strength, vertical jump, and sprint performance. It reduces inflammation, promotes muscle protein synthesis to attenuate exercise-induced damage, and triggers antimicrobial peptides in the respiratory tract to support immune function during high training loads.