Because gastric absorption rates are unpredictable compared to vitamin B12 injections, according to Foxx, most oral vitamin B12 supplements provide much more than the recommended amount to account for the discrepancy between the dose you take and benefit from (1)
Schedule: The standard table uses 5 days per week
A larger syringe would make measuring 1ml accurately more difficult
Vitamin B12 injections offered can vary in price due to several factors, including dosage strength, your individual treatment plan, and whether additional consultations or tests are necessary
Therefore, the first place you need to look when the benefits of a methyl-B12 shot seems to wear off too soon is to retry the shots at the same dose and frequency but make the angle of attack much more severe, much closer to the horizontal plane, just under the skin