what length needle for b12 injections intramuscular size injection needle size for b12 injection Choosing the Right Needle and Syringe for B12 Injections: A Complete Guide what gauge needle to use
Description
Feeling down or moody: Scarce B12 throws off your brains chemistry, lifting homocysteine levels and stirring up low moods or irritability

In another letter to the editor, Herbert et al
Keeping it moderate
Investigation includes liver function tests, renal function, full blood count, and imaging if malignancy or liver disease suspected

It's only been two days, I'd say that's pretty prompt service. Donna H

The results showed broadly comparable systemic exposure across abdomen, thigh, and upper arm
