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Higher-dose oral B12 (e.g., 1000 g daily) is sometimes used but should only be considered under clinical supervision with appropriate monitoring, particularly in cases of malabsorption where intramuscular treatment remains the first-line approach in UK practice
Your doctor can run tests to confirm if you have a deficiency and can write you a prescription
Research indicates that methylcobalamin can modulate melatonin secretion, enhance light-sensitivity, and normalize circadian rhythm (your bodys 24-hour clock)
However, it's essential to consider individual differences, including genetics and conditions like pernicious anaemia, which can significantly influence responses to B12
Treatment is typically started at 1ml/cc per injection once weekly
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