For use in dogs and cats. Brewers Dried Yeast Formula with Omegas is an excellent natural source of B-complex vitamins. Fortified with B-1, B-2, niacin and antioxidants. Provides essential fatty acids for a glossy coat and healthy skin. Rich in Omega 3, 6, and 9 Fatty Acids. Fortified with B1, B2, Niacin, and Vitamin C. 1000 tablets.