Syrup : 2-3 teaspoonful daily or as directed by the physician
The best B12 product is not determined by marketing words such as active, instant, methylated, or maximum absorption. It depends on whether deficiency is present, what caused it, how severe it is, whether nerves are affected, and whether the person can reliably use the treatment
The table below shows possible dosage changes for severe cases: Vitamin B12 Injection Dosage for Adults with Malabsorption Adults with malabsorption issues, like those with celiac disease or Crohns disease, might need more B12 injections
These numbers were based on 95% confidence intervals of MMA levels among apparently healthy people with normal serum B12 and kidney function
But beware, there is a tendency for the doctor to think the more symptoms a person reports, the more likely the cause of the symptoms is psychological