Value Per Nutrient Food 1.70 g 100 grams Leucine Pork, fresh, composite of trimmed retail cuts (loin and shoulder blade), separable lean only, raw 1.70 g 100 grams Leucine Turkey, all classes, breast, meat and skin, raw 1.70 g 100 grams Leucine Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled 1.70 g 100 grams Leucine Beef, shoulder pot roast or steak, boneless, separable lean and fat, trimmed to 0" fat, choice, raw 1.70 g 100 grams Leucine Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, choice, raw 1.70 g 100 grams Leucine Beef, round, tip round, roast, separable lean only, trimmed to 0" fat, select, raw 1.70 g 100 grams Leucine Beef, chuck, mock tender steak, boneless, separable lean and fat, trimmed to 0" fat, all grades, raw 1.70 g 100 grams Leucine KENTUCKY FRIED CHICKEN, Fried Chicken, ORIGINAL RECIPE, Wing, meat only, skin and breading removed