From: The impact of vitamin D supplementation on body fat mass in elite male collegiate athletes
All athletes (n = 42) | Non-supplement group (n = 15) | Supplement group (n = 27) | P value | |
---|---|---|---|---|
Body composition | ||||
Post BMI, kg/m2 | 22.0 ± 2.7 | 21.1 ± 1.3 | 22.5 ± 3.1 | 0.1 |
Change value of BMI, kg/m2 | 0.6 ± 1.9 | 0.7 ± 0.7 | 0.6 ± 2.3 | 0.8 |
Post body fat percentage, % | 11.8 ± 3.5 | 10.9 ± 2.8 | 12.3 ± 3.8 | 0.2 |
Change ratio of body fat percentage, % | 0.8 ± 2.4 | 1.9 ± 2.6 | 0.2 ± 2.0 | 0.02 |
post Bone mass, kg | 2.9 ± 0.2 | 2.9 ± 0.2 | 3.0 ± 0.3 | 0.3 |
Change value of bone mass, kg | 0.0 ± 0.1 | 0.0 ± 0.1 | 0.0 ± 0.1 | 0.1 |
Post lean mass, kg | 56.4 ± .4.7 | 55.2 ± .3.6 | 57.1 ± 5.2 | 0.2 |
Change value of lean mass, kg | 0.3 ± .1.7 | 0.7 ± .1.6 | 0.0 ± 1.7 | 0.2 |
Laboratory results | ||||
Post serum 25(OH) D, ng/mL | 25.3 ± 5.6 | 24.4 ± 5.5 | 25.8 ± 5.6 | 0.4 |
Change value of serum 25(OH) D, ng/mL | 5.3 ± 5.1 | 1.7 ± 1.9 | 7.2 ± 5.2 | > 0.001 |
Post serum Calcium, mg/dL | 9.6 ± 0.4 | 9.5 ± 0.3 | 9.7 ± 0.4 | 0.2 |
Change value of serum Calcium, mg/dL | − 0.1 ± 0.5 | − 0.3 ± 0.6 | − 0.1 ± 0.4 | 0.2 |
Post serum Phosphorus, mg/dL | 3.3 ± 0.4 | 3.4 ± 0.4 | 3.3 ± 0.4 | 0.3 |
Change value of serum Phosphorus, mg/dL | − 0.2 ± 0.6 | − 0.1 ± 0.5 | − 0.2 ± 0.6 | 0.4 |