b12 injection overdose symptoms Vitamin B12: Symptoms, Dosage & Toxicity Risks B12 Shots: Vitamin B12 Injections

Research-only status

Since Vitamin B12 injections bypass the digestive system, its effects can be more potent than supplements

The risks associated with vitamin B12 deficiency include fatigue, weakness, tingling or numbness in the hands and feet, difficulty walking, and anemia

It is also available as a supplement in both oral and injectable forms

Mechanism-based research considerations include: Altered methylation: NNMT inhibition affects SAM, a participant in many methylation reactions

That is a conversation to have with your GP or a specialist haematologist, not a reason to add a private injection on top of an NHS schedule without telling either provider