Value Per Nutrient Food 1.28 g 100 grams Isoleucine Pork, fresh, loin, tenderloin, separable lean and fat, cooked, roasted 1.28 g 100 grams Isoleucine Beef, round, eye of round, roast, separable lean and fat, trimmed to 1/8" fat, select, cooked, roasted 1.28 g 100 grams Isoleucine Chicken, broilers or fryers, drumstick, meat and skin, cooked, stewed 1.28 g 100 grams Isoleucine Pork, fresh, loin, center loin (roasts), bone-in, separable lean and fat, cooked, roasted 1.28 g 100 grams Isoleucine Turkey, fryer-roasters, breast, meat only, raw 1.28 g 100 grams Isoleucine Beef, round, bottom round, roast, separable lean and fat, trimmed to 0" fat, select, cooked, roasted 1.28 g 100 grams Isoleucine Pork, fresh, loin, center rib (roasts), bone-in, separable lean and fat, cooked, roasted 1.28 g 100 grams Isoleucine Beef, ground, 95% lean meat / 5% fat, crumbles, cooked, pan-browned