can b12 injections increase ferritin levels B-12 Specialists in San Antonio, TX Pernicious Anemia: The Scary B12

Understanding how B12 works and why injections are often more effective than pills helps you make an informed choice about your health

They might need more frequent or higher doses to stay healthy and ensure their babys health too

In certain circumstancessuch as pregnancy, concurrent illness, or rapid metabolic turnoverB12 requirements may increase, and dosing adjustments may be necessary under medical supervision

But this does not mean that all the B12 contained in the tablet will be absorbed, as it also depends on how much intrinsic factor is available for its absorption

If you have a known deficiency or medical concern, follow your providers guidance

Here are some general guidelines: Mild Deficiency: For those with a mild deficiency, a typical dosage might be 1,000 micrograms (mcg) once a week for several weeks