Name	Info	Provider	Link
Dietary Supplements	free resource	MedlinePlus Health Information	https://medlineplus.gov/dietarysupplements.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30753677/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30753677
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-660
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/jas/article-lookup/doi/10.1093/jas/skz052