Value Per Nutrient Food 1.53 g 100 grams Leucine Pork, fresh, backribs, separable lean and fat, raw 1.53 g 100 grams Leucine Veal, variety meats and by-products, spleen, cooked, braised 1.53 g 100 grams Leucine Beef, chuck, under blade center steak, boneless, Denver Cut, separable lean and fat, trimmed to 0" fat, all grades, raw 1.53 g 100 grams Leucine USDA Commodity, Peanut Butter, smooth 1.53 g 100 grams Leucine Chicken, roasting, meat only, raw 1.53 g 100 grams Leucine Beef, chuck eye Country-Style ribs, boneless, separable lean and fat, trimmed to 0" fat, all grades, raw 1.52 g 100 grams Leucine Peanut butter, chunk style, without salt 1.52 g 100 grams Leucine Peanut butter, chunk style, with salt