Bio-Vision TM Bio-Vision contains zinc & beta-carotene, a precursor of vitamin A, which contributes to the maintenance of normal vision. Lutein & bilberry-derived anthocyanosides are also included. Bio-Vision contains antioxidants, vitamins C, E & A, which contribute to the protection of cell constituents against oxidative stress caused by free radicals. Such free radicals are formed within the body as a normal by-product of metabolic processes. Bio-Vision is a combination of nutrients in bio-available form that are blister-packed to protect them from the atmosphere. Good Manufacturing Practice (GMP) & certificates of analysis ensure that each batch meets the highest quality standards.¨ Pack sizes available: Bio-Vision 60 tablets