Landmark roughly two to three finger-widths below the acromion process, into the densest part of the muscle, well clear of the shoulder bursa
B12 is essential for energy production at the cellular level, and many of our clients notice increased energy, reduced fatigue, and improved stamina after beginning regular B12 injection
If a patients homocysteine is high, I know they are at increased risk, and I adjust their DVT prophylaxis accordingly
Patients with pernicious anemia or others who cannot absorb B from food typically need lifelong B therapy, often on a monthly injection schedule
For these reasons, we prefer injecting B12 into fat
This is just the tip of the iceberg, but hopefully leads to a clearer path on how to detect and avoid B12 deficiency