Healthy Visual Function*Taurine is a conditionally essential amino acid which is not utilized for protein synthesis but is mainly found free in most tissues especially throughout the nervous system.* It functions in tissues by stabilizing cell membranes aiding the transport of potassium sodium calcium and magnesium in and out of cells.* Taurine helps to generate and regulate nerve impulses and aids in the maintenance of fluid balance; it is also used by the body in visual pathways as well as in the brain and nervous system where it works together with glycine and GABA as a neurotransmitter.*This product has twice the Taurine (1000 mg) as in our regular strength product (500 mg).Natural color variation may occur in this product.