Food Sources For Vitamins and Minerals Vitamin B7 (Biotin) Adults: 30 micrograms per day Pregnant and breastfeeding women: 35 micrograms per day Don’t get more than this amount No upper limit is known Page 41 of 89Previous 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889Next