Value Per Nutrient Food 1.21 g 100 grams Isoleucine Lamb, domestic, loin, separable lean and fat, trimmed to 1/4" fat, choice, cooked, broiled 1.21 g 100 grams Isoleucine Beef, chuck, under blade pot roast, boneless, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 1.21 g 100 grams Isoleucine Beef, flank, steak, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 1.21 g 100 grams Isoleucine Fish, milkfish, cooked, dry heat 1.21 g 100 grams Isoleucine Fish, snapper, mixed species, cooked, dry heat 1.21 g 100 grams Isoleucine Beef, plate, outside skirt steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, broiled 1.21 g 100 grams Isoleucine Beef, chuck eye Country-Style ribs, boneless, separable lean and fat, trimmed to 0" fat, select, cooked, braised 1.21 g 100 grams Isoleucine Beef, round, knuckle, tip center, steak, separable lean and fat, trimmed to 0" fat, select, cooked, grilled