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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
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"On the mechanism of catalysis by vitamin B12"
B12 and Premature Greying One area where B12s role is more clearly established is in premature greying grey hair that appears before age 20-30 (depending on ethnicity)
Anchor your dose to whichever compound matches your goal GHK-Cu for skincare, BPC-157 for injury repair and the other three peptides come along at fixed proportions
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