CrawfordC, BoydC, AvulaB, et al.A public health issue: Dietary supplements promoted for brain health and cognitive performance. J Altern Complement Med, 2020; 26:265–272.
2.
SaperRB, KalesSN, PaquinJ, et al.Heavy metal content of ayurvedic herbal medicine products. JAMA, 2004; 292:2868–2873.
3.
TuckerJ, FischerT, UpjohnL, et al.Unapproved pharmaceutical ingredients included in dietary supplements associated with US Food and Drug Administration warnings. JAMA Netw Open, 2018; 1:e183337.