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So, what foods can you find it in? Tryptophan is found in a wide variety of plant and animal foods that contain protein. Quinoa, soy, red meat, chicken, fish, eggs and cheese contain all nine of ...

Tryptophan is an essential amino acid, a building block of protein that we obtain through our diets, particularly from foods, such as turkey, chicken, eggs, milk, nuts, and seeds. Researchers ...