An alkaloid found in a wide range of traditional herbs, berberine has been used for centuries in parts of India and China for its various health benefits. Natural Factors WellBetX® Berberine delivers berberine that's been extracted from barberry roots and is designed to help promote healthy blood sugar levels already within the normal range, a healthy weight, cardio health and cholesterol levels, and can even boost the body's ability to block the digestion of carbohydrates. Each vegetarian-friendly Natural Factors WellBetX Berberine capsule delivers 1000 mg per two capsules, which is the same amount used in various clinical trials studying berberine's effects on insulin sensitivity.