They contain high amounts of proanthocyanidins, which are potent bioflavonoid antioxidants. These nutrients strengthen blood vessels, especially capillaries. L-carnitine , a nutrient which is related both to the amino acid and vitamin families, nourishes the heart muscle and helps the body sustain healthy cholesterol levels. It helps the heart to use oxygen efficiently, and nutritionally supports normal blood vessel function. Omega-3 has been found to help maintain normal elasticity of arteries and nourish the heart and blood vessels.
Vitamin E is a powerful antioxidant and can strengthen the blood vessels and assist circulation.
It helps the body to normalize the process of platelet aggregation and cholesterol production. A review of their relationship to cardiovascular disease'. Preventive Medicine . Nutrition Research . The antiradical properties of Ginkgo biloba extract.