Boss Dog Brand High Protein Kibble is crafted with high quality ancient grains that are high in fiber and gluten free. Ancient grains are known for containing naturally occurring vitamins and minerals, which compliments the overall nutrition of the formula. Boss Dog’s Kibble formulas are always meat and protein first, to deliver the high protein diet that dogs need. At 34 percent protein, this diet is high quality fuel for your V.I.P. (Very Important Pet).