b12 subcutaneous injection needle size intramuscular Best for IM injection.... 1. 18G 2. 22G 3. 23G 4. 25G what size needle for vitamin – B12 METHYLCOBALAMIN Self Injection kit

By converting to its active forms within the body, it supports methylation and the synthesis of nucleic acids and amino acids, which are vital for maintaining healthy nerve cells and forming red blood cells, thus correcting Vitamin B12 deficiency and associated symptoms

Vitamin B12 shots can often undo symptoms of a low vitamin B12 level but the issue is that you might not have any idea that your B12 levels are low to begin with

There is some evidence that the diabetes drug metformin (Glucophage) may reduce vitamin B12 absorption when used for several years

It would be advisable to tell him / her that you have supplemented with B12 (since a high serum B12 level, in the ABSENCE of supplementation, can be indicative of other serious conditions, so your GP will need to know that the high level is probably due to supplements)

Polish Archives of Internal Medicine