Value Per Nutrient Food 5.89 mg 100 grams Niacin Beef, shank crosscuts, separable lean only, trimmed to 1/4" fat, choice, cooked, simmered 5.88 mg 100 grams Niacin Fast Foods, Fried Chicken, Thigh, meat only, skin and breading removed 5.88 mg 100 grams Niacin Chicken, roasting, dark meat, meat only, raw 5.88 mg 100 grams Niacin Crackers, wheat, sandwich, with peanut butter filling 5.88 mg 100 grams Niacin Beef, brisket, flat half, boneless, separable lean and fat, trimmed to 0" fat, select, raw 5.87 mg 100 grams Niacin Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, grilled 5.87 mg 100 grams Niacin Lamb, variety meats and by-products, spleen, cooked, braised 5.87 mg 100 grams Niacin Pork, fresh, variety meats and by-products, spleen, raw