3 Different Types of B12 Lets explore the 3 different compounded forms of injectable B12 and determine which is best suited for each person
Unlike plain sterile water, the preservative helps inhibit bacterial growth following repeated vial access under appropriate laboratory handling conditions
NICE Clinical Knowledge Summaries recommend B12 injections for: Pernicious anaemia an autoimmune condition affecting intrinsic factor production Malabsorption syndromes including coeliac disease and inflammatory bowel disease Post-surgical states particularly following gastrectomy or ileal resection Strict vegan diets when oral supplementation proves inadequate, though oral cyanocobalamin is usually sufficient for dietary deficiency Clinical trials demonstrate that B12 injections rapidly improve haematological parameters and neurological symptoms when deficiency is confirmed through blood tests
However, few studies have examined the relationship of vitamin B 12 status, homocysteine concentrations, and the development of depression over time
If you are considering starting B12 supplements, particularly at high doses, discuss this with your GP or a registered pharmacist, especially if you have existing medical conditions or take other medications
