Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1472-6483(19)30635-2
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/31564651/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/31564651
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S1472-6483(19)30635-2