Value Per Nutrient Food 1.32 g 100 grams Isoleucine Lamb, variety meats and by-products, liver, cooked, braised 1.31 g 100 grams Isoleucine Beef, short loin, top loin, steak, separable lean only, trimmed to 0" fat, choice, cooked, broiled 1.31 g 100 grams Isoleucine Beef, shoulder pot roast, boneless, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 1.31 g 100 grams Isoleucine Beef, round, full cut, separable lean only, trimmed to 1/4" fat, select, cooked, broiled 1.31 g 100 grams Isoleucine Beef, short loin, top loin, steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, broiled 1.31 g 100 grams Isoleucine Beef, rib, eye, small end (ribs 10-12), separable lean only, trimmed to 0" fat, choice, cooked, broiled 1.31 g 100 grams Isoleucine Lamb, Australian, imported, fresh, leg, shank half, separable lean only, trimmed to 1/8" fat, cooked, roasted 1.31 g 100 grams Isoleucine Pork, fresh, loin, sirloin (roasts), bone-in, separable lean and fat, cooked, roasted