Good Guide's Cat Food Ratings: Which Products Are Best and Worst?

Science Diet Mature Adult Indoor takes the top slot while Friskies Grillers' Blend comes in last among more than 250 dry cat food products rated by GoodGuide. Science Diet Adult Optimal Care Gourmet Turkey Entree Minced tops the list of more than 350 wet cat food products, with 9 Lives Chicken & Tuna Dinner finishing last.

Consumer Ally has teamed up with GoodGuide, whose experts have rated more than 65,000 consumer goods -- including food, toys, personal care and household products -- using factors that include concern for the environment, personal health and social responsibility, as consumers begin increasingly to consider those in addition to price.