Value Per Nutrient Food 6.42 mg 100 grams Niacin Beef, round, eye of round, roast, separable lean and fat, trimmed to 1/8" fat, all grades, raw 6.42 mg 100 grams Niacin Veal, shoulder, whole (arm and blade), separable lean and fat, cooked, braised 6.42 mg 100 grams Niacin Pork, cured, ham, rump, bone-in, separable lean and fat, unheated 6.42 mg 100 grams Niacin Pork, ground, 84% lean / 16% fat, raw 6.41 mg 100 grams Niacin Chicken, stewing, meat only, cooked, stewed 6.41 mg 100 grams Niacin Beef, tenderloin, steak, separable lean only, trimmed to 1/8" fat, select, raw 6.40 mg 100 grams Niacin Pepper, ancho, dried 6.40 mg 100 grams Niacin Veal, variety meats and by-products, heart, raw