Value Per Nutrient Food 0.54 mg 100 grams Niacin Sweet potato, cooked, boiled, without skin, with salt 0.54 mg 100 grams Niacin Brussels sprouts, frozen, cooked, boiled, drained, without salt 0.54 mg 100 grams Niacin Peaches, spiced, canned, heavy syrup pack, solids and liquids 0.54 mg 100 grams Niacin Brussels sprouts, frozen, cooked, boiled, drained, with salt 0.54 mg 100 grams Niacin Tofu, soft, prepared with calcium sulfate and magnesium chloride (nigari) 0.53 mg 100 grams Niacin Tomatoes, red, ripe, cooked 0.53 mg 100 grams Niacin Lima beans, immature seeds, canned, no salt added, solids and liquids 0.53 mg 100 grams Niacin Tomatoes, red, ripe, cooked, with salt