Name	Info	Provider	Link
Vitamin C	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitaminc.html
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0077-8923&date=1987&volume=498&spage=63