Kirkman. Supports the immune system. Hypoallergenic. Gluten and casein free. Capsules are plant based. Ultra Tested. Kirkman’s Vitamin E 100 IU hypoallergenic capsules are produced from synthetically manufactured dl-alpha tocopheryl acetate. There are no animal derived ingredients present, and the vitamin E is soy-free. Vitamin E provides essential antioxidant activity. Recent studies have indicated that optimal intake of vitamin E can aid in the neutralization of free radicals. More studies are needed to verify this. Vitamin E is also important in supporting immune system response and may play a beneficial role in allergic response.