Value Per Nutrient Food 6.67 mg 100 grams Niacin Waffles, buttermilk, frozen, ready-to-heat 6.67 mg 100 grams Niacin Chicken, broilers or fryers, back, meat only, raw 6.67 mg 100 grams Niacin Lamb, domestic, rib, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 6.67 mg 100 grams Niacin Beef, round, top round, steak, separable lean and fat, trimmed to 1/8" fat, choice, raw 6.67 mg 100 grams Niacin Snacks, granola bars, QUAKER OATMEAL TO GO, all flavors 6.66 mg 100 grams Niacin Bread, rice bran, toasted 6.66 mg 100 grams Niacin Chicken, broilers or fryers, giblets, raw 6.66 mg 100 grams Niacin Beef, round, bottom round, roast, separable lean only, trimmed to 1/8" fat, all grades, raw