why do you need a b12 injection What are the benefits of injection? B12 Injection Benefits: Energy, Mood,

It is important to know your B12 levels and response to treatment so that your healthcare provider can determine the appropriate dosing schedule

The compounds require injection, and access can be limited due to cost and shortages

The NHS advises that taking up to 2 mg (2000 micrograms) per day of vitamin B12 in supplements is unlikely to cause harm

Doctors might do a physical exam and lab tests to check your B12 levels

If you think you have a more severe deficiency, its best to see a doctor to get a better idea of the specific supplements your body needs.

Because the milligram amount is fixed, a lighter body gets more drug exposure per pound: roughly 22% more at 70 kg and about a third less at 120 kg, compared with a 90 kg reference. The dose still comes from response and tolerability, but a lighter person is running a hotter exposure at the same number on the vial