Value Per Nutrient Food 0.24 g 100 grams Tryptophan Lamb, domestic, composite of trimmed retail cuts, separable lean only, trimmed to 1/4" fat, choice, raw 0.24 g 100 grams Tryptophan Chicken, roasting, meat only, raw 0.24 g 100 grams Tryptophan Fast foods, hamburger, large, triple patty, with condiments 0.24 g 100 grams Tryptophan Beans, pinto, mature seeds, raw 0.24 g 100 grams Tryptophan Chives, freeze-dried 0.24 g 100 grams Tryptophan Beef, chuck, mock tender steak, boneless, separable lean and fat, trimmed to 0" fat, select, raw 0.24 g 100 grams Tryptophan Beef, chuck eye roast, boneless, America's Beef Roast, separable lean only, trimmed to 0" fat, choice, raw 0.24 g 100 grams Tryptophan Lamb, domestic, cubed for stew or kabob (leg and shoulder), separable lean only, trimmed to 1/4" fat, raw