Food Sources For Vitamins and Minerals Vitamin B3 (niacin) Men: 16 mg per day Women: 14 mg per day Breastfeeding women: 17 mg per day Pregnant women: 18 mg per day Don’t get more than this amount No upper limit from natural sources Page 38 of 89Previous 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889Next