Value Per Nutrient Food 1.39 g 100 grams Isoleucine Beef, chuck, clod roast, separable lean only, trimmed to 0" fat, all grades, cooked, roasted 1.38 g 100 grams Isoleucine Lamb, domestic, shoulder, whole (arm and blade), separable lean and fat, trimmed to 1/4" fat, choice, cooked, braised 1.38 g 100 grams Isoleucine Cheese, fontina 1.38 g 100 grams Isoleucine Pork, fresh, loin, top loin (chops), boneless, separable lean and fat, cooked, braised 1.38 g 100 grams Isoleucine Turkey, young tom, dark meat, meat and skin, cooked, roasted 1.38 g 100 grams Isoleucine Veal, leg (top round), separable lean only, cooked, roasted 1.38 g 100 grams Isoleucine Snacks, pork skins, plain 1.38 g 100 grams Isoleucine Beef, chuck, arm pot roast, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, braised