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Mechanistically, choline and methionine relate to hepatic fat transport and one-carbon metabolism
Frequently Asked Questions Do I need a blood test
If your body is not operating at its full potential due to low levels of this vitamin, B12 shots are an effective, high-impact way to get a direct dose of cobalamin (active B12) into your system, straight into the muscle
Typically, anywhere from a few days to a few weeks
Importantly, its not necessarily an either-or choice
The NHS advises that taking up to 2mg (2000 micrograms) daily of vitamin B12 supplements is unlikely to cause harm, with no established upper limit in the UK
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