ABATRA TECHNOLOGY CO., LTD have been researching on extracting and isolating Resveratrol products for over 3 years. If you prefer to HIGH QUALITY natural Resveratrol with good service, the best is to choose our Resveratrol, which are sold in quite some lot to American and European companies and are said GOOD. Types of Resveratrol: ABATROL (TM) Resveratrol 99%, 98%, 95%, 90%, 80% ABATRAL (TM) Resveratrol 60%, 40%, 20%, 10%