Value Per Nutrient Food 2.24 g 100 grams Leucine Beef, round, eye of round, roast, separable lean and fat, trimmed to 1/8" fat, select, cooked, roasted 2.24 g 100 grams Leucine Cheese, cheshire 2.24 g 100 grams Leucine Duck, young duckling, domesticated, White Pekin, leg, meat and skin, bone in, cooked, roasted 2.24 g 100 grams Leucine Ground turkey, 93% lean, 7% fat, pan-broiled crumbles 2.24 g 100 grams Leucine Beef, chuck eye roast, boneless, America's Beef Roast, separable lean only, trimmed to 0" fat, select, cooked, roasted 2.23 g 100 grams Leucine Veal, leg (top round), separable lean only, cooked, roasted 2.23 g 100 grams Leucine Beef, round, bottom round, roast, separable lean and fat, trimmed to 0" fat, select, cooked, roasted 2.23 g 100 grams Leucine Turkey, fryer-roasters, leg, meat and skin, cooked, roasted