why does b12 injection sting Will a Vitamin Give Me More Energy? What happens if you inject

This is because B12 is not a standard medication in the US or UK, so it is often made in small-scale compounding pharmacies rather than in large-scale manufacturing facilities

The reason for this is that over time, the stomachs ability to secrete enough gastric acid decreases

Vitamin B12 injections

Vitamin B12 boosts energy levels, supports brain function, and promotes red blood cell production for improved health and vitality

If you have a 50/50 mix in the same vial, you would withdraw a TOTAL of 40 MCG into the syringe, since there is an equal amount of each peptide in the mix you would be getting 20 MCG of each product