An oral supplement has to travel through your digestive tract, survive stomach acid, bind to a protein called intrinsic factor, and be absorbed in the small intestine
Well talk about why vitamin B12 is vital and how to get it right through injections
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While not a stimulant, this peptide appears to enhance cellular energy production , reduce fatigue, and improve mood
GPs can prescribe B12 injections following appropriate investigation, which should include: Full blood count to identify macrocytic anaemia Serum B12 and folate levels to confirm deficiency (using laboratory-specific reference ranges) Methylmalonic acid and/or homocysteine when B12 results are borderline Intrinsic factor antibodies if pernicious anaemia is suspected Additional tests depending on clinical presentation (e.g., thyroid function, coeliac serology) When both B12 and folate deficiency are present, B12 should be replaced before folate to avoid precipitating subacute combined degeneration of the spinal cord