Table 1.

Summary of inclusion and exclusion criteria.

	Inclusion Criteria
1	Studies investigating sport, exercise or physical training
2	Investigating the role of 25(OH)D or make reference to the supplementation, ingestion or use of 25(OH)D
3	Studies investigating bone health, stress fractures, with reference to prevention and/or rehabilitation
4	Study designs including RCTs, case-control, cross-sectional and, case series and reports
5	Human participants
	Exclusion Criteria
1	Studies in non-athletic or non-physically active populations
2	Animal studies
3	Study designs including letters, editorials, conference proceedings, short surveys and author responses