Value Per Nutrient Food 6.37 mg 100 grams Niacin Turkey, all classes, breast, meat and skin, cooked, roasted 6.36 mg 100 grams Niacin Beef, round, outside round, bottom round, steak, separable lean and fat, trimmed to 0" fat, select, raw 6.36 mg 100 grams Niacin Beef, round, tip round, roast, separable lean only, trimmed to 0" fat, select, raw 6.36 mg 100 grams Niacin Chicken, broilers or fryers, dark meat, meat and skin, cooked, roasted 6.36 mg 100 grams Niacin Beef, round, bottom round, steak, separable lean only, trimmed to 0" fat, choice, cooked, braised 6.35 mg 100 grams Niacin Beef, brisket, flat half, boneless separable lean only, trimmed to 0" fat, all grades, raw 6.35 mg 100 grams Niacin Kamut, uncooked 6.34 mg 100 grams Niacin Pork, shoulder, petite tender, boneless, separable lean and fat, cooked, broiled