Weight Gain Dog Food Reviews 1. Crave Real Chicken Protein Grain-Free Dog Food. Top 5 Ingredients: 1. ... Chicken Meal, 3. Chickpeas, 4. Split... 2. PurinaPro Plan 30/20 Sport High Protein. Top 5 Ingredients: 1 . ... Corn Gluten Meal, 3. Brewers Rice, 4. Animal... 3. Earthborn Holistic ...