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Protein and Weight Management â. Consuming a higher protein diet can help you lose weight. Protein helps regulate appetite and cravings by enhancing the feeling of fullness for longer after a meal or snack.
Proteins are also necessary in animals' diets, since animals cannot synthesize all the amino acids they need and must obtain essential amino acids from food. Through the process of digestion, animals break down ingested protein into free amino acids that are then used in metabolism.