Value Per Nutrient Food 4.56 mg 100 grams Niacin Beef, chuck eye roast, boneless, America's Beef Roast, separable lean and fat, trimmed to 0" fat, select, raw 4.56 mg 100 grams Niacin Fast foods, hamburger; single, large patty; plain 4.56 mg 100 grams Niacin Chicken, broilers or fryers, back, meat only, cooked, stewed 4.56 mg 100 grams Niacin Chicken, stewing, dark meat, meat only, cooked, stewed 4.55 mg 100 grams Niacin Lamb, variety meats and by-products, brain, cooked, pan-fried 4.55 mg 100 grams Niacin Spaghetti, spinach, dry 4.55 mg 100 grams Niacin Beef, shoulder pot roast or steak, boneless, separable lean and fat, trimmed to 0" fat, choice, raw 4.55 mg 100 grams Niacin Bread, wheat germ, toasted