Different types of protein sources vary in effectiveness based on their amino acid profiles and digestibility. Animal-based proteins, such as meat, dairy, and eggs, are considered complete proteins, meaning they contain all essential amino acids required for muscle repair and growth. In contrast, many plant-based proteins, like beans and lentils, may lack one or more essential amino acids. Combining different plant proteins can achieve a complete amino acid profile. Additionally, the body’s ability to absorb proteins can differ, making the choice of protein source important for optimizing dietary benefits.