best injection for b12 Vitamin shots: Uses, benefits, and side effects Why Choose Vitamin B12 Injections

Obesity Pharmacotherapy: Current Perspectives and Future Directions, Misra M., Journal (Current Cardiology Reviews, Volume 9, Issue 1, February 2013, Pages 3354)

For B12 to be absorbed, it requires a protein called intrinsic factor (IF)

Its available as a research peptide or for investigational purposes under physician supervision

Pollak, N

After 1 month of treatment in pernicious anemia patients, the once weekly dosing of 500 mcg B12 intranasal gel resulted in a statistically significant increase in B12 levels when compared to a once monthly 100 mcg IM dose

Various types of treatments will include measured dosages every week or a few may include higher doses of Vitamin B12 per month