vitamin b12 injection suppliers Injections (Cyanocobalamin Injections) — Mountainside Medical MOOD Feeling down Rx Vitamin B-12 (Generic) Injectable
Description
Restoring adequate B12 levels can lead to noticeable improvements in mood, energy, and cognitive function

But it may cause more discomfort during insertion

The benefits of vitamin B12 injections include treating or preventing symptoms, such as fatigue, heart problems, neurological damage, mood changes, muscle weakness and hormone imbalances

If you are currently using sublingual or oral forms of B12 and you are getting symptomatic relief then I wouldnt recommend changing up your method of administration
