16 The Best Protein Sources are Animal or Vegetable

Unlike animal products, vegetables must be mixed to get a full supply of essential amino acids. Excess proteins act similarly to fat, not carbs. Protein does not trigger insulin, but it does produce ammonia which may be a problem for individuals with liver or kidney disease. Protein in a diet should not exceed 35-45% of total calories otherwise protein poisoning (fat starvation) may result.