where do you give vitamin b12 injections shots: Uses, benefits, and side effects Vitamin C and B12 Injection

This peptide is supplied as a lyophilized material and should be stored at 4 F (20 C) or below, protected from heat, moisture, and light

You may need a vitamin B12 supplement if you're a vegan or vegetarian, you don't eat B12-fortified foods every day, and your prenatal vitamin doesn't include B12

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

Your B12 levels will immediately increase, leading to almost instant improvements in your symptoms

There may be one caveat, though