Value Per Nutrient Food 1.23 g 100 grams Isoleucine Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 0" fat, select, cooked 1.23 g 100 grams Isoleucine Pork, fresh, loin, sirloin (chops), boneless, separable lean and fat, cooked, braised 1.23 g 100 grams Isoleucine Beef, round, bottom round, roast, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 1.23 g 100 grams Isoleucine Beef, round, tip round, roast, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, roasted 1.23 g 100 grams Isoleucine Beef, top sirloin, steak, separable lean and fat, trimmed to 1/8" fat, select, cooked, broiled 1.23 g 100 grams Isoleucine Pork, fresh, shoulder, (Boston butt), blade (steaks), separable lean and fat, cooked, braised 1.23 g 100 grams Isoleucine Beef, round, knuckle, tip center, steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, grilled 1.23 g 100 grams Isoleucine Lamb, Australian, imported, fresh, leg, center slice, bone-in, separable lean and fat, trimmed to 1/8" fat, cooked, broiled