prefilled b12 injections Syringes with Vitamin Mecobalamin 1500mcg (Vitamin B12) Injection

The peptide injection guide covers general best practices for subcutaneous administration

Summary: High vitamin B12 levels rarely cause direct symptoms

But they will find that doctors wont want to deviate from NICE guidelines. Dr Richard Cook, a GP in West Sussex said there was no doubt that B12 injections were delayed or stopped during the initial pandemic as it was deemed non essential

[1] For example, if a 2 mL dose (full 200 mg thiamine, 200 mg niacinamide) is to be given IV, a nurse might mix it into 50 mL of saline and infuse over 15-30 minutes

This is because it repeatedly damages your bladder or kidney with time causing blood to leak into urine