Now Taurine 1000mg 100 CapNow Taurine 1000mg 100 Cap Taurine is a conditionally essential amino acid that 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, and aiding the transport of potassium, sodium, calcium and magnesium in and out of cells. Taurine helps to generate and regulate nerve impulses and supports the maintenance of normal fluid balance;