Value Per Nutrient Food 0.24 g 100 grams Tryptophan Beef, chuck, under blade pot roast or steak, boneless, separable lean only, trimmed to 0" fat, select, raw 0.24 g 100 grams Tryptophan Chicken, broilers or fryers, drumstick, meat only, raw 0.24 g 100 grams Tryptophan Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, select, cooked, broiled 0.24 g 100 grams Tryptophan Beef, shoulder pot roast or steak, boneless, separable lean and fat, trimmed to 0" fat, all grades, raw 0.24 g 100 grams Tryptophan Guinea hen, meat only, raw 0.24 g 100 grams Tryptophan Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled 0.24 g 100 grams Tryptophan Whey, acid, dried 0.24 g 100 grams Tryptophan Beef, chuck eye Country-Style ribs, boneless, separable lean only, trimmed to 0" fat, all grades, raw