Greek yogurt contains mostly casein, a slow-release protein that repairs muscle tissue.
Eggs are a nutritional powerhouse and delicious protein source. People throw away yolks.
Quinoa is one of the few plant proteins that contains all nine essential amino acids.
Oily fish are high in protein and heart-healthy omega-3s.
Nuts and seeds include protein, fiber, vitamins, and minerals in addition to healthy fats.
Chicken thighs are better for weight gain than breast.
It has more beneficial monounsaturated fats, boosting calories without volume.