Adequate intake of vitamin D is crucial to many bodily functions. Unfortunately poor dietary habits and lack of exposure to sunlight commonly results in vitamin D deficiency. Studies have shown true benefits to performance for athletes with appropriate vitamin D supplementation. In athletes or anyone else vitamin D deficiency can cause bone and muscle pain. Medical conditions such as kidney disease and gastrointestinal malabsorption can also affect vitamin D levels.
Click here to read more: https://www.aaos.org/AAOSNow/2018/Mar/Research/research01/?ssopc=1
