Vitamin B12 treatments are considered safe for one very simple reason B vitamins are water-soluble, which means your body naturally filters out any excess vitamin through urination
If your body does not have sufficient B12, then it cannot make energy and so therefore you are weak, tired, or unfocused
As with any medical treatment, it's important to weigh the potential benefits against possible side effects and costs
In practice, some clinicians and wellness providers administer GHK-Cu to promote skin rejuvenation, hair growth, and tissue healing
individual results vary
these can include pain, redness, or swelling at the site of the shot, which typically resolve on their own