Tryptophan can be supplemented with food, such as milk, roti, walnuts and peanuts. If the effect of food supplementation is not satisfactory, you can also seek medical advice in time and use medication to supplement under the guidance of a doctor. Tryptophan is one of the essential amino acids, is the precursor of 5 hydroxytryptophan, which is very important for maintaining the normal physiological function of the body. In life, tryptophan content is relatively rich in food such as eggs, milk, bean curd, black sesame, shiitake mushrooms, soybeans, flower beans, kidney beans, black beans, walnuts, sunflower seeds, peanuts, pumpkin seeds kernels and so on. Generally speaking, moderate intake of these foods in daily life can basically meet the body’s normal demand for tryptophan. If the effect of food supplementation is not satisfactory, you can also seek medical advice in time and use medication for supplementation under doctor’s guidance.