Saratoga Supplements, Saratoga, NY, has launched its best-selling Internet antioxidant product, ISO-OPC, which is a high-potency oligomeric proanthocyanidin supplement, into retail stores. ISO-OPC combines full-spectrum potencies of high-OPC sources, such as pine bark, grape seed extract and red wine extract. ISO-OPC also contains the extra antioxidant support of vitamins C and E, plus bilberry and citrus extracts. It is available in a natural Grape flavor and mixes instantly when added to water.