Rambutan are rich in Vitamin B3—which plays an important role in converting fats, carbohydrates and proteins into energy preventing cholesterol build-up which may lead to Coronary Heart Disease. B3 is also essential to hair, nail and skin health. The fruit also contains Niacin—known to treat diabetes, is anti-inflammatory and promotes good blood circulation.High in Vitamin C, Rambutan may also increase fertility. Vitamin C and contains collagen-forming compounds which are an important protein constituent of skin tissue, bones, joints, and a strong immune system. Vitamin C also restores tissue damage and protects against skin discoloration.