Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0002-9165(22)04666-4
Vitamin D	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitamind.html
Exercise and Physical Fitness	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/exerciseandphysicalfitness.html
	free resource	scite Smart Citations	https://scite.ai/reports/27733394
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ajcn/article-lookup/doi/10.3945/ajcn.115.122804