Grapelina capsules are a popular dietary supplement that has been shown to have a wide variety of beneficial actions. One of the key active components of red wine, proanthocyanidins are bioavailable in plasma and have potent antioxidant activity. Their free radical scavenging properties are greater than popular antioxidants such as vitamins C and E. Grape seed extract shows a superior ability to protect cells against lipid peroxidatio