Some tryptophan-rich foods, such as kidney beans, beef jerky and soybeans, can provide the body with rich tryptophan, which has certain nutritional value. 1. The tryptophan content in beans is extremely high, up to 986 mg/100 g. Moderate consumption can supplement the body’s daily consumption of tryptophan. In addition, the beans also contain carbohydrates, protein, flavonoids and folic acid and other nutrients, high nutritional value. 2. The tryptophan content of beef jerky is 597 mg/100 g. It is also rich in other essential amino acids including phenylalanine, isoleucine, lysine and methionine. 3. Soybeans are also rich in tryptophan, with a content of 591 mg/100 g. Moderate consumption can also supplement tryptophan. All of the above foods can supplement tryptophan, but it is not recommended to consume them if you are allergic to them in order to avoid serious discomfort.