what needles are used for b12 injections UK How I give myself a vitamin injection B12 Injection Dosage and Frequency:

Because the nasal dosage forms of Vitamin B 12 have a lower absorption than intramuscular dosage, nasal dosage forms are administered weekly, rather than the monthly intramuscular dosage

While promising in clinical studies, it remains investigational in many jurisdictions

Cautions: Methycobal 500 MCG injection should not be used in pregnancy to treat anemia unless it is vitamin B12 deficiency anemia

I feel better since using this

The process is fast and virtually painless

Absorption matters: age, meds, low intrinsic factor, or restricted diets raise deficiency riskconsistent, well-absorbed forms help maintain healthy levels