does b12 injection make you tired had but still Chronic Fatigue: Can Shots Tired? · PA Relief Need a quick energy boost? – Vitamin B12 Injection Dosage: 7

So the practical takeaway is not oral is better or SC is better. It is: pick one route, follow the documented per-dose figure for the vial you have, and keep the route constant so that whatever you observe is not confounded by a mid-stream route change

Preferred subcutaneous sites include the abdomen and the outer upper arms, providing straightforward access for individuals administering their own injections: Abdomen: Injections are given at least two inches away from the navel, allowing for a broad area of fat tissue

A lack of reported harm is not proof of safety

I was taking this as instructed and working out at the same time and still no difference

Usage Information A physician develops recommended dosage protocols for a patient individually, according to their health conditions and age