Shade factor provides 500 mg of niacinamide, a form of Vitamin B3 with multiple skin benefits that has been shown to promote healthy DNA before, during and after UV exposure. Niacinamide also plays a significant role in supporting the production of ATP (adenosine triphosphate), the energy releasing molecule that fuels all cells and powers their intracellular machinery.Ingredients:Supplement Facts Serving Size 1 vegetarian capsuleServings Per Container 30 ? Amount Per Serving Vitamin C (as ascorbic acid from Red Orange Complex) 5.5 mg FernBlock? Polypodium leucotomos extract (leaf) 240 mg Red Orange Complex 100 mg Sicilian red oranges (Citrus sinensis var. Moro, Sanguinello, Tarocco) extract (fruit and peel) ? Other ingredients: corn starch, microcrystalline cellulose, vegetable cellulose (capsule), maltodextrin, vegetable stearate, silica.