where can b12 injections be given Best Vitamin Injection Sites B12 Shots vs. IV Infusions:

Physician consultation before use remains paramount

A subcutaneous injection uses a shorter needle to inject the B12 solution into the tissue layer between the skin and muscle, but it may be a slower absorption rate than other methods of administration

There is no evidence that doses above 500mcg produce proportionally better results, and clinical trials using 1mg daily did not dramatically outperform lower doses

Furthermore, the use of 96-, 384- or 1536-well microplates allows the processing of many samples simultaneously or in quick succession

Convenience : After fixing the deficiency, maintenance injections can be done monthly