Value Per Nutrient Food 1.92 g 100 grams Leucine Fish, mackerel, spanish, cooked, dry heat 1.92 g 100 grams Leucine Lamb, domestic, leg, sirloin half, separable lean and fat, trimmed to 1/4" fat, choice, cooked, roasted 1.92 g 100 grams Leucine Beef, ground, 75% lean meat / 25% fat, loaf, cooked, baked 1.92 g 100 grams Leucine Lamb, Australian, imported, fresh, rib, separable lean only, trimmed to 1/8" fat, cooked, roasted 1.91 g 100 grams Leucine Lamb, domestic, shoulder, blade, separable lean only, trimmed to 1/4" fat, choice, cooked, roasted 1.91 g 100 grams Leucine Beef, variety meats and by-products, liver, raw 1.91 g 100 grams Leucine Chicken, broilers or fryers, light meat, meat and skin, cooked, stewed 1.91 g 100 grams Leucine Pork, fresh, loin, top loin (chops), boneless, separable lean only, raw