Animal Essentials Fish Oil Plus for Dogs and Cats, 180 Capsules Higher in Omega 3 fatty acids than other brands Richer in bioavailable DHA &amp; EPA than salmon oil, with a 3:1 Omega 3/Omega 6 mix Clean and green - uses ecologically-sustainable fish oil Tested for purity by human food industry standards Fortified with Barley Grass - a green "superfood"