More Resources:

Chiang CM, Ismaeel A, Griffis RB, Weems S. Effects of Vitamin D Supplementation on Muscle Strength in Athletes: A Systematic Review. J Strength Cond Res. 2017 Feb;31(2):566-574. doi: 10.1519/JSC.0000000000001518. PMID: 27379960.

Owens DJ, Allison R, Close GL. Vitamin D and the Athlete: Current Perspectives and New Challenges. Sports Med. 2018 Mar;48(Suppl 1):3-16. doi: 10.1007/s40279-017-0841-9. PMID: 29368183; PMCID: PMC5790847.

Scott, JM, Kazman, JB, Palmer, J, McClung, JP, Gaffney‐Stomberg, E, Gasier, HG. Effects of vitamin D supplementation on salivary immune responses during Marine Corps basic training. Scand J Med Sci Sports. 2019; 29: 1322– 1330. https://doi.org/10.1111/sms.13467