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Research on berberine in isolation does not validate a multi-ingredient blend that happens to contain some berberine
The absorption curve does not plateau instantly after 2 minutes
Layden BT, Angueira AR, Brodsky M, Durai V, Lowe WL Jr
New England Journal of Medicine, 384, 989-1002
While it won't knock you out like a sleeping pill, it plays a vital role in creating the internal conditions necessary for high-quality rest
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