Swisse Ultiboost High Strength Bilberry is a premium quality formula to help support eye health and provide antioxidant support. The eyes are susceptible to oxidative stress. The antioxidants in Bilberry may help support and protect eye health. Bilberry is a source of antioxidants. Antioxidants help protect cells against free radical damage. Swisse Ultiboost High Strength Bilberry has been formulated based on scientific evidence to support eye health in a convenient, one-a-day dose.