Store them away from light
Pfizer describes counterfeits from domestic brick-and-mortar pharmacies in developed countries such as Canada as very unlikely, and Health Canada directs buyers toward licensed pharmacies and eight-digit DIN checks
The common technique mistakes Most problems trace back to a handful of errors: using the wrong needle length so the dose lands in fat rather than muscle, not cleaning the skin, injecting too fast, injecting at the wrong angle, or reusing a needle
a recent safety analysis found no anaphylaxis in hundreds of patients receiving high-dose IV thiamine, suggesting the risk is very low in practice
Can I store an unopened vial of bac water at room temperature
Vitamin C Injections for Immunity, Healthy Skin & Antioxidant Protection