give yourself b12 intramuscular injection How to a Injection: Step-By-Step Instructions injecting b12 yourself How to
Description
The reason why you often need to take vitamin B12 supplements is that it is an essential vitamin
This includes the insulin vial and syringe or injection pen, handwashing supplies, alcohol wipes, and a sharps container for safe disposal of syringes

Furthermore, having alcohol before anesthesia is dangerous since both can cause nausea and vomiting

Starting without deficiency correction data or clinical indication increases cost without evidence of benefit
Investigational compound
Niacin/niacinamide may potentiate the effects of antihypertensive medications by causing additional vasodilation
