Puritans pride Vitamin E-1000iu is a potent antioxidant that helps fight free radicals. Oxidative stress caused by free radicals may contribute to the premature aging of cells. Vitamin E also supports immune function. Vitamin E also plays a role in maintaining healthy blood vessels. Some people, including those on low-fat diets, may not be meeting the recommended daily intake for Vitamin E. Our Vitamin E is 100% natural and comes in a convenient to use softgel.