Plant sources: Dihydroberberine is a hydrogenated derivative of berberine, the main component of Berberine, which belongs to the isoquinoline alkaloids.

Plant sources: This product is derived from Rheum palmatumL, Rheum offcinale Bail., Rheum tanguticum Maxim.ex Balf, and Polygonum cuspidatum Sieb.et Zucc. Extracts of dried roots and rhizomes.

Plant source: Unripe fruit extract of Citrusaurantium.

Plant source: This product is the extract of the roots and bark of Berberis vulgaris.

Plant source: This product is an extract from the mature fruits of SophorajaponicaL.