Value Per Nutrient Food 0.94 g 100 grams Isoleucine Beef, top sirloin, steak, separable lean and fat, trimmed to 1/8" fat, select, raw 0.94 g 100 grams Isoleucine Beef, brisket, flat half, boneless separable lean only, trimmed to 0" fat, all grades, raw 0.94 g 100 grams Isoleucine Beef, bottom sirloin, tri-tip roast, separable lean and fat, trimmed to 0" fat, select, raw 0.94 g 100 grams Isoleucine Beef, bottom sirloin, tri-tip roast, separable lean and fat, trimmed to 0" fat, choice, raw 0.94 g 100 grams Isoleucine Beef, ground, 95% lean meat / 5% fat, raw 0.94 g 100 grams Isoleucine Beef, bottom sirloin, tri-tip roast, separable lean and fat, trimmed to 0" fat, all grades, raw 0.94 g 100 grams Isoleucine Veal, sirloin, separable lean and fat, raw 0.94 g 100 grams Isoleucine Duck, domesticated, meat only, raw