Hill's® Science Diet® Adult Optimal Care® Original cat food provides Precisely balanced, easy-to-digest nutrition for a visible difference guaranteed or your money back.Taurine and controlled levels of phosphorus promote healthy vital organsHigh quality lean protein helps promote a healthy weightOmega-6 fatty acids and vitamin E to improve skin & coat in 30 days*Real chicken #1 with natural ingredients and no chicken by-product*Vs. previously fed grocery foods