> Is he getting enough [[calcium]]? Liver and [[thyroid]] would be better than trying to use separate vitamins---[[vitamin A]] deficiency is the most likely, but some B vitamins could be involved, and a [[vitamin A]] supplement can increase the need for [[thyroid]] hormone, which is increased anyway during the winter. > [Do you recommend someone try omega 6 supplementation from say safflower oil in an extreme case on eczema? Or will the omega 6 appear to heal the eczema because of lowered metabolism?] Slowing metabolism and causing [[inflammation]] are its two basic functions.