b12 injection substitute Methylcobalamin (Vitamin B12) Should You Take Natural vs.

People who have had intestinal surgery, such as weight loss surgery, or who have digestive disorders, such as celiac disease or Crohns disease, which may reduce the amount of vitamin B12 the body can absorb

B12 injections solve B12 absorption issues that oral supplements cant

Research Focus : Safety & Metabolism (Non-Clinical) Title : Safety and Metabolism of AOD9604, a Novel Nutraceutical Ingredient for Improved Metabolic Health (J Endocrinol Metab, Vol 4, No 3, June 2014) Authors : Margret I

This means they might need different amounts of B12 than others

This is a research chemical supplied for in-vitro use only and is not for human or veterinary administration