Now Taurine is the ideal mood-enhancing dietary health supplement that features a double strength formula designed to improve your mood and promote positive outlook. Taurine is a conditionally essential amino acid that is not used during the body's production of protein. It is commonly found in major tissues, especially all throughout the nervous system. It is necessary for the formation of bile salts as well as in the development of cell membranes. It is also beneficial for maintaining good eye health. Taurine is widely known for its ability to regulate the activity of neurotransmitters inside the brain therefore producing a calming and relaxing effect on the mood. Now Taurine does not contain starch, yeast, sugar, wheat, corn, soy, gluten, milk, egg, shellfish and preservatives.