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doi:10.1093/humupd/dmv060 51
Higher therapeutic doses should only be used under healthcare supervision with appropriate monitoring
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As it is not naturally present in fruit, vegetables, and grains, vegans may not get sufficient amounts of vitamin B12 in their diet
The injectable form allows for once-weekly dosing and typically delivers more consistent blood levels than oral formulations, making it a preferred choice for patients who can tolerate needle injections
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