Any cut-off is a trade-off
However, you should: Call 999 or go to A&E immediately if you experience signs of a severe allergic reaction (difficulty breathing, severe throat/facial swelling, or collapse) Contact your GP if you experience a rash, itching, persistent pain at the injection site, or worsening neurological symptoms despite treatment If you suspect any side effects from your B12 injections, you can report them through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)
May Improve Sleep Some people report better sleep after correcting a B12 deficiency possibly due to improved energy regulation and mood
Affected brands include: You dont need to wait until you run out
We provide B12 injections to deliver a concentrated dose directly into your bloodstream
For a 10 mg/mL concentration (the most common and recommended), add exactly 1.0 mL (100 units on a U-100 syringe) of bacteriostatic water