can b12 injections cause leg pain How to self-inject intramuscular vitamin - Overview B12 Injection for Neuropathy Relief:

Poses an actual or potential health risk to athletes

The reason is that a fixed reference dose gives a consistent, repeatable starting point: it lets supply be described accurately (how many applications a bottle provides), and gives first-time users a concrete default rather than having to research a range themselves

A 2019 study published in the Journal of the American Heart Association has also found that higher iron levels may increase the risk of blood clotting and thrombosis ( 6 )

The frequency of injections and the duration of treatment will depend on the severity of your deficiency and your individual needs