Supports visual acuity Helps maintain healthy eyesight Offers antioxidant support to neutralize free radicals and support ocular capillaries Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months. Swanson Bilberry delivers antioxidants that help keep capillaries in the eyes healthy by protecting against the effects of free radicals. Standardized to 25% anthocyanins for guaranteed potency.