nhs b12 injection guidelines How to self-inject intramuscular vitamin - Overview B12 Injections for Energy: Benefits

As an aside, we are unsure if the fatigue is purely down to B12 deficiency or if its long covid as this all started 2 years ago when I had Covid

Acid production is maintained, intrinsic factor is unaffected, and the absorption pathway stays intact

This low expression and inhibited activity of PGC-1 are significantly associated with an increased risk of tumor recurrence, poor radiotherapy efficacy, and poor prognosis in glioma patients

My recommendation for best results is to clean up your diet, exercise 3 days a week or take daily walks, drink plenty of water, and look into fiber, protein, and electrolyte supplements