A powerful antioxidant Genuine Masquelier's ® OPCs are twenty times more powerful than vitamin C and fifty times more powerful than vitamin E in neutralizing capacity of free radicals. The OPCs are capable of providing electrons to unstable free radicals and neutralize them without the risk of becoming unstable themselves. Genuine Masquelier's ® OPCs in Beyond Grape Seed protects cells and tissues by neutralizing free radicals and blocking destructuring enzymes. These OPCs are capable of penetrating both the water and the environment of the fatty cell membranes. They also have the ability to penetrate the brain barrier. Enhance the flexibility and maintain the structure and integrity of the veins, arteries and blood vessels, thus supporting efficient circulation. Repair the vascular system