However, in Lear and Castle's study of pernicious anemia patients in remission, the depletion of serum vitamin B-12 after treatment with folic acid occurred in the absence of any noticeable change in hematopoiesis (Figure 9) (52)
Additionally, in order for your body to absorb vitamin B12 from the food you eat, you need an adequate amount of stomach acid and a special protein called intrinsic factor
It is used to treat vitamin B12 deficiency in people with pernicious anemia and other conditions
If you are a strict vegetarian or vegan and do not eat any meats, dairy foods, or eggs, you will not get enough vitamin B12 from your diet alone
The method was applied to pharmacokinetic and oral-bioavailability experiments in rats
Finally, always use a brand new, sterile syringe and needle for every single entry into the vial