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Some common symptoms of vitamin B12 deficiency include Vitamin B12 is essential for the production of red blood cells, and a deficiency can lead to anemia, which can cause fatigue and weakness

Light GA, Braff DL (2005a)

Inner Circle Membership members receive one complimentary B12 injection per month

Viruses, bacteria, heavy metal toxicity, radiation, certain medications, and even the normal process of aging can all cause free-radical damage to healthy cells and deplete Glutathione

You might also face difficulties getting the B12 you need if you have Celiac disease or Crohns disease, or if you are vegetarian or vegan