Value Per Nutrient Food 7.67 mg 100 grams Niacin Guinea hen, meat and skin, raw 7.66 mg 100 grams Niacin Snacks, bagel chips 7.66 mg 100 grams Niacin Pork, fresh, loin, center loin (roasts), bone-in, separable lean only, cooked, roasted 7.66 mg 100 grams Niacin Beef, loin, bottom sirloin butt, tri-tip roast, separable lean only, trimmed to 0" fat, all grades, cooked, roasted 7.65 mg 100 grams Niacin Spaghetti, protein-fortified, dry, enriched (n x 6.25) 7.65 mg 100 grams Niacin Spaghetti, protein-fortified, dry, enriched (n x 5.70) 7.65 mg 100 grams Niacin Macaroni, protein-fortified, dry, enriched, (n x 6.25) 7.65 mg 100 grams Niacin Macaroni, protein-fortified, dry, enriched, (n x 5.70)