Composure Liquid is recommended for dogs and cats exposed to increased environmental stressors. It is an advanced formula that contains a combination of factors, not found in other calming formulas that help reduce behavioral problems associated with stressful situations. Composure Liquid combines L-Theanine (Suntheanine Brand), Thiamin (B 1), Lecithin (from soy), and a calming Decapepetide (Lactium Brand) from milk protein hydrolystate. These ingredients address stress and calming. This formula uses the Suntheanine brand L-Theanine, which has extensive research and documentation, over 45 studies, that suggest it is helpful in the area of reducing stress and anxiety. T hiamin (Vitamin B 1) specifically has been shown to affect the central nervous system to help calm and sooth anxious animals. Lecithin is calming to the nervous system. The Calming Decapeptide (Lactium Brand) is isolated from the milk protein casein and is known for its calming effects. Net Wt: 8 oz.