Adults over the age of 65 Due to a number of common issues associated with ageing, including the reduced production of stomach acid, people over the age of 65 may be more prone to a B12 deficiency
Due to its experimental status, individuals should approach 5-AMino-1MQ with caution
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Potential off-target effects: broad changes to methylation could, in theory, affect gene expression in ways not yet characterised
Some people are needle-phobic others hate remembering to take pills every day
If the injection is needed (e.g., to replete B or B in a deficient mother), it can be used, but the infant should be observed for any unusual symptoms (though none would be expected from B vitamins, apart from perhaps looser stools if anything)