One Nutrition® Berberine - 60 Capsules - (6+1, Mix & Match, cheapest item free Add 6 to your basket)Pure Berberine extract from sustainably harvested Himalayan Barberry and nothing else. HCL is the hydrochloride form which improves absorption. One Nutrition use HIMABERB scientifically studied Berberis aristata Extract. Himaberb guarantees the quality and purity of our Berberine HCL, which is sustainably harvested using methods that support regrowth and natural regeneration. HIMABERB is a registered trademark of Gramen Botanicals Pvt. Limited.