Vitamin D! Make sure you are taking a good quality version of this daily as part of your winter wellness self care. a day for sure, more if you are sick. Ask someone on your wellness team for amounts specific to you.
Vitamin B12 Deficiency Chart. When buying a vitamin B12 supplement you will want to look for it in the form of methylcobalamin or hydroxycobalamin rather than cyanocobalamin because these forms or more natural and better absorbed by the body.