There are 13 essential vitamins (vitamin A, C, D, E, K, B1, B2, B3, B5, B6, B7, B9, and B12) that are important for our body
Whilst the NHS notes that taking up to 2,000 micrograms daily is unlikely to cause harm in most people, there is generally no benefit to consuming such excessive amounts unless treating confirmed deficiency under medical supervision
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This is because the risk of toxicity and serious adverse effects from an overdose is rare
Methyl B12 is the most promising treatment for patients with severe neurological symptoms, bypassing several steps in the absorption cycle and helping to relieve or completely reverse symptoms
Abstract Between June and September 1984, district nurses who worked in Coventry were asked to submit returns giving details of the patients for whom they administered vitamin B12 injections