Whatever container you choose, be sure needles cannot break through the sides, bottom or top
ensure aseptic technique by using a sterile needle and syringe for each withdrawal
However, to maintain optimal B12 levels and sustained benefits, regular injections are often necessary, typically every few weeks or months
References Heffernan, M., Summers, R.J., Thorburn, A., Ogru, E., Gianello, R., Jiang, W.J., & Ng, F.M
, University of Miami Metabolic & nutritional medicine Dr
I have been using my b12 ampoules 4 months now since expiry date on them ,Im down to twice weekly shots now and perfectly fine so I will continue to use them and if need be I will increase my frequency but as I said Ive been perfectly fine