what needles are used for b12 injections Needle Size a Injection: A Simple Guide Vitamin B12 Injection Sites: All
Description
It is not approved by the Therapeutic Goods Administration for human therapeutic use and is not a registered medicine

it has to come from food, supplements or injection
Baum N, Eggers M, Koenigsdorf J, Menzel S, Hambach J, Staehler T, et al

It supports DNA repair, improves mitochondrial function, reduces cellular senescence, and enhances stem cell function
