medical grade bac water Pfizer Hospira Bacteriostatic – 30 mL – Peptide Test BACTERIOSTATIC WATER STERILE – Bacteria-Free,
Description
Cress says that a proper lab workup and discussion with a physician are necessary to discover or rule out whether inadequate B12 levels could be at play. Once discovered, treatment for a vitamin B12 deficiency can be oral, applied under the tongue, administered through the nose, or taken the form of various types of injections, according to Cress

Clin Drug Invest

Why should I avoid certain vitamins during chemotherapy

Don't leave the vial sitting open or the needle inserted for longer than necessary

After that window, the preservative becomes less reliable, and the risk of contamination goes up
