Citrus fruit supplement for immune system support reviewed by University of Illinois. Atlantic diet may Helathy prevent metabolic syndrome. Jurado-Fasoli L, Amaro-Gahete Comlosition, De-la-O A, Healthy body composition al. This is why a minimum fat level is needed for normal menstrual function. The amount of time you sleep and your sleep quality can greatly impact your body composition. Athletes tend to have a lower body fat percentage than people who are physically fit because having less fat improves their athletic performance.