how long is b12 injection good after expiration date Shots at Home: How, Where & Often to Inject Yourself Vitamin B12 Injection Dosage for

Biweekly or Monthly Injections: For ongoing maintenance or prevention of deficiency

[1] [2] Neurological protection: Prompt B12 replacement prevents irreversible neurological damage in deficiency states, including subacute combined degeneration of the spinal cord

If you have a collection of symptoms that may require further investigation it may be beneficial to seek blood tests via your GP or private route/self testing

Prepared vials should remain refrigerated between 2-8C and protected from repeated temperature changes

However, these are typically associated with long-term mega-doses far exceeding whats in your weekly shot