Vitamin B7 (Biotin) The body works by using biotin when it breaks down energy for foodstuff (as with other B vitamins). Take in biotin-rich foods or acquire multivitamin supplements containing biotin to prevent a deficiency. Eat a minimum of: thirty micrograms for guys and 30 micrograms for Females day-to-day UL: Not determined Vitamin B12 A deficiā€¦ Read More