Value Per Nutrient Food 6.34 mg 100 grams Niacin Pork, fresh, loin, sirloin (chops or roasts), bone-in, separable lean only, raw 6.34 mg 100 grams Niacin Lamb, domestic, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, raw 6.34 mg 100 grams Niacin Lamb, domestic, shoulder, arm, separable lean only, trimmed to 1/4" fat, choice, cooked, roasted 6.34 mg 100 grams Niacin Rice flour, brown 6.34 mg 100 grams Niacin Lamb, domestic, leg, whole (shank and sirloin), separable lean only, trimmed to 1/4" fat, choice, cooked, roasted 6.34 mg 100 grams Niacin Lamb, domestic, leg, sirloin half, separable lean and fat, trimmed to 1/4" fat, choice, raw 6.33 mg 100 grams Niacin Pork, fresh, loin, center rib (chops or roasts), bone-in, separable lean and fat, raw 6.33 mg 100 grams Niacin Lamb, domestic, shoulder, arm, separable lean only, trimmed to 1/4" fat, choice, cooked, braised