Berberine
All about Berberine
Alkaloids are natural compounds produced by plants for defense. Berberine (Berberine hydrochloride) is a natural alkaloid compound obtained from the roots, twigs, leaves, barks, and stems of medicinal plants such as berberis shrubs, oregon grape, goldenseal, tree turmeric, and phellodendron.
Oral intake: It is safe for adults for oral consumption. A daily consumption of 1.5 gms for six months has yielded safe results.
For application to the skin: Berberine is quite safe for skin usage among adults of all ages .