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Metformin use and vitamin B12 deficiency: new MHRA guidance
Is it being obtained through a regulated source
Red blood cell counts rising after beginning B12 injections is a clear sign that the treatment is effective
This is the ingredient most responsible for the I feel better on these shots reports, and the mechanism is not mysterious: in a patient who is genuinely B12-deficient, repletion resolves fatigue
That effect belongs to GLP-1 medications like semaglutide and tirzepatide
