Methyl B-12 5000mcg 60 Lozenges by Protocol for Life Balance

Vitamin B12 has the largest and most complex chemical structure of all the vitamins. Most of its functions are related to its co-enzyme activity, such as enzymes required for the production of DNA during cell division, as well as for the proper disposal of homocysteine.* B12 is also necessary for the maintenance of a healthy nervous system.*