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Description
Sci Rep 9 , 6333 (2019)

Potential pharmacological effects make it a plausible treatment option for COVID-19
Extrapineal melatonin: analysis of its subcellular distribution and daily fluctuations
Kuo HY, Liu FC (2022) Pathophysiological studies of monoaminergic neurotransmission systems in valproic acid-induced model of autism spectrum disorder

Of course, we'd be remiss if we didn't mention NOW Foods, whose safety procedures are impressive enough that we consider its Milk Thistle Extract Maximum Strength as the runner-up for safety
