Ocuguard is an advanced nutritional supplement, designed to maintain ocular health that may decline as a result of dietary deficiencies, aging, toxins, free radical exposure, stress and sunlight. ocuguard covers all vitamins & minerals needed for different age stages especially with visual purpose, the formula contains anti- oxidants like vitamins a,c,e, nicotinamide, selenium, zinc, ginkgo biloba and vitamin b12 as a neuroprotector.dosage: 1 capsule daily in the morning or as directed by the physician.