Value Per Nutrient Food 1.77 g 100 grams Leucine Beef, round, bottom round, roast, separable lean only, trimmed to 1/8" fat, choice, raw 1.77 g 100 grams Leucine Chicken, broilers or fryers, leg, meat and skin, cooked, stewed 1.77 g 100 grams Leucine Pork, cured, ham -- water added, slice, bone-in, separable lean only, heated, pan-broil 1.77 g 100 grams Leucine Lamb, domestic, shoulder, whole (arm and blade), separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 1.76 g 100 grams Leucine Fish, shad, american, cooked, dry heat 1.76 g 100 grams Leucine Beef, round, bottom round, roast, separable lean only, trimmed to 1/8" fat, select, raw 1.76 g 100 grams Leucine Beef, chuck eye steak, boneless, separable lean only, trimmed to 0" fat, choice, raw 1.76 g 100 grams Leucine Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, select, raw