why are vitamin b12 injections painful Shots at Home: How, Where & How Often to Inject Yourself What happens if you inject

Weekly dosing is great for those with severe deficiencies or major neurological symptoms

Scientific References Vitamin B12 deficiency in over 16s: diagnosis and management

If you experience any adverse reaction to your injection, most notably pain or any visible skin reaction at the spot where you injected, then you should stop use and talk with your doctor

Moreover, theres the risk of allergic reactions, and in some cases, complications such as nerve damage could arise if treatment is delayed or not managed correctly

The lack of FDA approval for human use and the need for higher doses in some experimental settings underscore the importance of evaluating safety and efficacy under strict medical supervision