what size needle is used for b12 injections Injection? B12 vitamin Store Needle and
Description
Disposition and absolute bioavailability of orally administered orforglipron in healthy participants

It must only be given by a nurse or doctor

It's best to follow a healthcare provider's advice
There are two main ways to inject B12 into the muscle (intramuscular) or just under the skin (subcutaneous)

Small amounts can be found in the fruiting bodies of edible fungi and edible algae [38] and bacteria associated with plants [39]
