Non-GMO 100% Vegan Dietary Supplement From Indian Barberry & Micronized Turmeric Guaranteed Potency Lab Verified Discussion: Berberine is a golden yellow alkaloid obtained from the roots and stems of plants such as Indian Barberry. We have combined Berberine with Curcumin, a golden yellow polyphenol obtained from the roots of the turmeric plant. Our micronized turmeric root is a clinically tested extract that provides enhanced absorption.