Performance test data represented as mean (±SD) for PLB, 20 000 and 40 000 IU/week oral vitamin D3 supplementation at baseline, weeks 6 and 12—postsupplementation
| Performance variable | Placebo | 20 000 IU | 40 000 IU | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre | 6 weeks | 12 weeks | Pre | 6 weeks | 12 weeks | Pre | 6 weeks | 12 weeks | |
| 1-RM bench press (kg) | 79 (±17) | 82 (±17) | 79 (±18) | 90 (±13) | 90 (±16) | 92 (±15) | 91 (±22) | 94 (±26) | 90 (±20) |
| 1-RM leg press (kg) | 187 (±41) | 182 (±36) | 181 (±43) | 195 (±26) | 200 (±21) | 198 (±28) | 204 (±66) | 206 (±64) | 198 (±63) |
| Vertical jump height (cm) | 45.6 (±6.8) | 47.5 (±7.2) | 47.7 (±6.1) | 49.1 (±7.1) | 49.9 (±6.8) | 49.2 (±8.9) | 47.1 (±6.7) | 49.5 (±8.3) | 48.3 (±10.4) |
| 20-M sprint (s) | 3.11 (±0.14) | 3.14 (±0.09) | 3.22 (±0.27) | 2.96 (±0.14) | 3.09 (±0.14) | 3.25 (±0.14) | 3.01 (±0.21) | 3.14 (±0.17) | 3.18 (±0.41) |