Protein is one of the major food categories in a type 2 diabetes diet, according to the American Diabetes Association. Overall, the best choices are low in fat. Top vegetarian proteins should have limited amounts of carbohydrates.
The leading animal-based proteins for a type 2 diabetes diet are fish, seafood, poultry, cheese and eggs, states the American Diabetes Association. The best plant protein products include hummus, tofu, and black, kidney and pinto beans.
Another important food group in a type 2 diet is non-starchy vegetables, notes the American Diabetes Association. These have significant amounts of vitamins, minerals and fiber, but few calories and carbohydrates. Examples include broccoli, carrots, salad greens and sugar snap peas.