1. From 3 French OPC ingredients (90 mg per serving): Oligopin pine bark Extract, Vitaflavan grape seed extract and ExGrape red wine grape total polyphenols, which are made by 2 native French Companies: DRT Nutraceutics and GROUPE GRAP'SUD. 2. The 3 OPC ingredients are of the highest quality with highly concentrated OPC, - the readily absorbable proanthocyanidin oligomers. 3. Scientifically characterized to be free of any harmful high molecular weight tannins, as contained in most other competing OPC products. 4. Isotonic capable formula for highly efficient absorption: 300 g powder, 90 servings. 5. Enjoyable sweet & sour taste when taken as a drink as directed; 6. The most transparent, realistic and reliable product information, which none of our competitors can provide to consumers.