Value Per Nutrient Food 1.55 g 100 grams Leucine Lamb, domestic, rib, separable lean only, trimmed to 1/4" fat, choice, raw 1.55 g 100 grams Leucine Pork, cured, ham with natural juices, whole, boneless, separable lean and fat, unheated 1.55 g 100 grams Leucine Pork, cured, ham, steak, boneless, extra lean, unheated 1.55 g 100 grams Leucine Fish, whitefish, mixed species, raw 1.55 g 100 grams Leucine Pigeon peas (red gram), mature seeds, raw 1.55 g 100 grams Leucine Pork, cured, ham and water product, rump, bone-in, separable lean and fat, heated, roasted 1.55 g 100 grams Leucine Guinea hen, meat only, raw 1.55 g 100 grams Leucine Beef, round, tip round, separable lean and fat, trimmed to 1/8" fat, all grades, raw