Different types of protein sources vary in their nutritional profiles, impacting dietary choices. Animal-based proteins, such as meat, fish, and dairy, typically provide complete proteins, containing all essential amino acids needed for muscle growth and repair. Plant-based proteins, like legumes and grains, may be incomplete but can be combined (e.g., rice and beans) to achieve complete protein status. Furthermore, sources differ in fat content and digestion rates, which may influence overall health and muscle recovery. Understanding these differences allows individuals to tailor their protein intake according to personal dietary preferences and fitness goals.