defy medical bac water – Pured Research Bacteriostatic Water | Hospira Bac

Facility registration, cGMP language, a Supplement Facts panel, or the standard DSHEA disclaimer does not mean FDA validated the ingredient, delivery system, safety, or claims

Yes - the reasons for stinging are usually either swabbed area not dry, a drop of B12 at the tip of the needle (flick syringe and wait a moment) or B12 ampoule not warmed up just before injecting (especially if using fridge)

Not for clinical applications, diagnostic purposes, or therapeutic use

Its important because vitamin B12 is integral for many functions, including optimized cell reproduction, blood formation, protein, and tissue synthesis