Berberine is an alkaloid found in many plants, including Hydrastis canadensis (goldenseal), Coptis chinensis (Coptis or golden thread), Berberis aquifolium (Oregon grape), Berberis vulgaris (barberry), and Berberis aristata (Indian barberry). The berberine in Berbercap and Berberine-500 is from Indian barberry extract (root) (Berberis aristata).

Thorne's high-quality berberine products provide broad-spectrum immune function and GI support.* Berberine is beneficial for maintaining a healthy balance of normal bacteria in the intestines and promoting healthy respiratory tract mucus membranes.* This botanical extract also demonstrates important benefits for blood sugar metabolism, maintenance of healthy cholesterol levels, and insulin sensitivity.*