NutriSource Element Series is formulated to met AAFCO guidelines for all life stages. The Elements series are high protein diets, legume and potato free, delivering maximum nutrient density, along with a proprietary pre- and pro-biotic blend to support digestion and healthy gut function. Coastal Plains is a Turkey, Salmon & Whitefish Blend with Wholesome Grains with 87% animal protein. 34% protein/16% fat.