Value Per Nutrient Food 7.04 mg 100 grams Niacin Seeds, sunflower seed kernels, dry roasted, with salt added 7.04 mg 100 grams Niacin Beef, tenderloin, steak, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled 7.04 mg 100 grams Niacin Snacks, rice cakes, brown rice, rye 7.04 mg 100 grams Niacin Beef, short loin, top loin, steak, separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled 7.03 mg 100 grams Niacin Mushrooms, enoki, raw 7.03 mg 100 grams Niacin Chicken, roasting, meat and skin and giblets and neck, cooked, roasted 7.02 mg 100 grams Niacin Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/4" fat, choice, cooked, broiled 7.02 mg 100 grams Niacin Buckwheat