Value Per Nutrient Food 6.21 mg 100 grams Niacin Beef, brisket, flat half, boneless, separable lean only, trimmed to 0" fat, select, raw 6.20 mg 100 grams Niacin Beef, bottom sirloin, tri-tip roast, separable lean only, trimmed to 0" fat, select, raw 6.20 mg 100 grams Niacin Game meat, muskrat, raw 6.20 mg 100 grams Niacin Chicken, broilers or fryers, leg, meat and skin, cooked, roasted 6.19 mg 100 grams Niacin Veal, shoulder, whole (arm and blade), separable lean and fat, raw 6.19 mg 100 grams Niacin Lamb, domestic, leg, shank half, separable lean only, trimmed to 1/4" fat, choice, raw 6.18 mg 100 grams Niacin Game meat, bison, top round, separable lean only, 1" steak, raw 6.18 mg 100 grams Niacin Beef, round, bottom round, steak, separable lean and fat, trimmed to 1/8" fat, all grades, raw