Value Per Nutrient Food 0.20 g 100 grams Tryptophan Beef, chuck, short ribs, boneless, separable lean and fat, trimmed to 0" fat, select, raw 0.20 g 100 grams Tryptophan Fish, herring, Atlantic, raw 0.20 g 100 grams Tryptophan Pork, cured, ham, shank, bone-in, separable lean and fat, unheated 0.20 g 100 grams Tryptophan Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, choice, cooked, broiled 0.20 g 100 grams Tryptophan Lamb, domestic, loin, separable lean and fat, trimmed to 1/8" fat, choice, raw 0.20 g 100 grams Tryptophan Beef, top sirloin, steak, separable lean only, trimmed to 0" fat, all grades, cooked, broiled 0.20 g 100 grams Tryptophan Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/8" fat, choice, raw 0.20 g 100 grams Tryptophan Lamb, domestic, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, raw