Claim its comparable to a pharmaceutical drug. Binds to molecular targets in cells. Said to activate the enzyme AMP-activated protein kinase(AMPK) a "metabolic master switch". Used in chinese traditional medicine for years. Also claimed to lower blood sugar, improve heart health and aid in weight loss. Check it out.
https://anabolicminds.com/articles/berberine-the-worlds-most-powerful-supplement-16899/
https://anabolicminds.com/articles/berberine-the-worlds-most-powerful-supplement-16899/
