Value Per Nutrient Food 0.27 g 100 grams Tryptophan Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/8" fat, choice, roasted 0.27 g 100 grams Tryptophan Squab, (pigeon), meat and skin, raw 0.27 g 100 grams Tryptophan Beef, tenderloin, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, roasted 0.27 g 100 grams Tryptophan Beef, tenderloin, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 0.27 g 100 grams Tryptophan Chicken, broilers or fryers, breast, meat only, raw 0.27 g 100 grams Tryptophan Ground Turkey, fat free, raw 0.27 g 100 grams Tryptophan Fish, mackerel, Atlantic, cooked, dry heat 0.27 g 100 grams Tryptophan Mollusks, mussel, blue, cooked, moist heat