Value Per Nutrient Food 1.01 g 100 grams Isoleucine Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 1/8" fat, choice, raw 1.01 g 100 grams Isoleucine Beef, tenderloin, steak, separable lean only, trimmed to 1/8" fat, all grades, raw 1.01 g 100 grams Isoleucine Lamb, New Zealand, imported, frozen, leg, whole (shank and sirloin), separable lean only, raw 1.00 g 100 grams Isoleucine Pork, fresh, loin, blade (chops or roasts), bone-in, separable lean only, raw 1.00 g 100 grams Isoleucine Lamb, New Zealand, imported, frozen, foreshank, separable lean only, raw 1.00 g 100 grams Isoleucine Beef, top sirloin, steak, separable lean only, trimmed to 1/8" fat, all grades, raw 1.00 g 100 grams Isoleucine Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, all grades, raw 1.00 g 100 grams Isoleucine Pork, fresh, enhanced, loin, tenderloin, separable lean only, raw