Value Per Nutrient Food 0.31 g 100 grams Tryptophan Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 0" fat, select, cooked, broiled 0.31 g 100 grams Tryptophan Formulated bar, MARS SNACKFOOD US, SNICKERS MARATHON Protein Performance Bar, Caramel Nut Rush 0.31 g 100 grams Tryptophan Chicken, broilers or fryers, back, meat and skin, cooked, fried, flour 0.31 g 100 grams Tryptophan Chicken, broilers or fryers, neck, meat only, cooked, fried 0.31 g 100 grams Tryptophan Turkey, young tom, light meat, meat and skin, cooked, roasted 0.31 g 100 grams Tryptophan Pork, fresh, loin, center rib (chops), boneless, separable lean and fat, cooked, pan-fried 0.31 g 100 grams Tryptophan Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 0" fat, choice, cooked, broiled 0.31 g 100 grams Tryptophan Chicken, capons, giblets, cooked, simmered