According to the University of Maryland Medical Center, B12, or cobalamin, is an especially important vitamin for maintaining healthy nerve cells, and it helps in the production of DNA and RNA, the bodys genetic material. B12 works with other B vitamins (namely B9) to produce red blood cells and help iron work its way through the body
doi: 10.1210/en.2005-1089 122 BurkRFHillKE
Vitamin B12 is involved in the development of brain and nerve cells, and it reduces the risk of birth defects
Expert.Opin.Investig.Drugs 2008;17(6):827-843
Directions Apply to clear skin in the morning and again in the evening
For ulcer healing, symptom reduction may begin within 7-10 days, with continued mucosal healing over 4-8 weeks