Value Per Nutrient Food 2.05 g 100 grams Leucine Chicken, broilers or fryers, dark meat, meat only, cooked, roasted 2.05 g 100 grams Leucine Beef, tenderloin, steak, separable lean and fat, trimmed to 1/8" fat, select, cooked, broiled 2.05 g 100 grams Leucine Pork, fresh, shoulder, blade, boston (steaks), separable lean and fat, cooked, broiled 2.05 g 100 grams Leucine Duck, young duckling, domesticated, White Pekin, breast, meat and skin, boneless, cooked, roasted 2.05 g 100 grams Leucine Fish, haddock, smoked 2.05 g 100 grams Leucine Beef, chuck, short ribs, boneless, separable lean and fat, trimmed to 0" fat, all grades, cooked, braised 2.05 g 100 grams Leucine Veal, rib, separable lean only, cooked, roasted 2.05 g 100 grams Leucine Beef, short loin, top loin, separable lean and fat, trimmed to 1/8" fat, prime, cooked, broiled