A profile of body composition, omega-3 and vitamin D in National Football League players

The Journal of Sports Medicine and Physical Fitness
Malia N BlueAbbie E Smith-Ryan

Abstract

Body composition (percent body fat [%BF]), omega-3 fatty acids, and vitamin D (VitD) status are important components of an athlete's individual physiological profile, as each measure has potential to influence performance, inflammation, and injury recovery. The purpose of this study was to characterize %BF, omega-3, and VitD in a subset of professional football athletes. Secondary analyses investigated changes in %BF, omega-3, and VitD, throughout a competitive season, and evaluated the relationship between physiological variables, race, and injury prevalence. Forty-two professional football players (age: 24.0±2.4 years; height: 186.8±5.9 cm; weight: 108.8±19.4 kg) volunteered to participate. A-mode ultrasonography measured %BF and the percentage of highly unsaturated fatty acid content comprised of omega-3s was determined by an omega-3 bloodspot test. VitD levels and injury prevalence were obtained from the team athletic trainer. Omega-3 was moderately correlated with VitD (R=0.397, P=0.030). Throughout the season there was a significant decrease in omega-3 percentage (∆=-2.47±5.48%, P=0.030), no change in body composition (∆=0.26±1.97%, P=0.482) and a significant increase in VitD (∆=9.03±19.46 ng/mL, P=0.015). VitD was signif...Continue Reading

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