Protein

High-quality protein sources must be prioritized when quantity is restricted to ensure all essential amino acids are still provided. Protein is essential to human biology. Protein directly supports lean body mass and lean tissues throughout the body. Protein is essential for fitness because muscle is constructed from it. Protein's extended digestive process contributes to prolonged satiety. Sufficient dietary protein is necessary for muscle building, but it is a floor rather than a ceiling. Protein has fundamental importance to all cells. Protein is especially important for skeletal muscle. A lower Insulin Index score corresponds to better conditions for ketosis. Protein helps stabilize blood amino acids early in fasting and supports lean muscle preservation. Protein is highly satiating and supports muscle mass, which has a higher metabolic rate than fat tissue. Quinoa and lentils each supply both fiber and protein. Muscle helps metabolic health by burning energy at rest, storing glucose as glycogen, and reducing routing of excess glucose toward fat storage. Adequate protein intake is a critical component of meal structure for sustaining energy between meals. Protein is essential…