Conclusion: Choosing the Right Approach for You Both vitamin B12 injections and oral supplements have their advantages and drawbacks, and the best option depends on your individual circumstances
You should also contact your GP if: You are unable to attend scheduled maintenance injections, as missing doses can lead to symptom recurrence You develop new symptoms that might indicate other deficiencies or health problems You are planning pregnancy, as B12 requirements may change You experience persistent side effects such as headaches, dizziness, or gastrointestinal symptoms If you experience any side effects, talk to your doctor, pharmacist or nurse
It modulates inflammation, helping resolve it at appropriate times rather than allowing it to persist and cause damage
By preserving NAD+ levels, it supports mitochondrial health within muscle cells, which is essential for energy production and repair
Gut Microbes 7 (2), 146153