Nutricology Taurine is a specialized amino acid which is an ion and pH buffer in the heart, skeletal muscles and central nervous system. Taurine is also a potent antioxidant and antitoxin, and in these roles is particularly important to the liver and immune system. Taurine is also a "semi-essential" nutrient.*  Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.