Tryptophan is present in small amounts in most protein foods and in higher amounts ... Research suggests that combining tryptophan-rich foods with carbohydrates gives tryptophan an advantage.

Packed with protein and fiber, lentils are an excellent plant-based protein source. Versatile and protein-rich, chickpeas can be used in salads, hummus, or curries. Made from soybeans, tofu is a great ...