- Article
Annual Vitamin D Status of World-Class British Swimmers Following a Standardised Supplementation Protocol for Three Years
- Josh W. Newbury,
- Richard J. Chessor,
- Guy M. Evans,
- Richard J. Allison,
- Charlie J. Roberts and
- Lewis A. Gough
Background/objectives: British swimmers are at a heightened risk of vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D): <50 nmol∙L−1) as their large indoor training volumes often restrict sunlight exposure, especially during the...

