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Caution should be taken with those that have megaloblastic anemia as B12 can reduce potassium levels in the blood
A straightforward and affordable choice for simplicity
NICE Clinical Knowledge Summaries and British Society for Haematology guidelines support B12 supplementation in these clinical contexts, with treatment regimens tailored to the underlying cause
Others are thought to help improve sleep quality, even possibly improve brain health
Where standard weight loss protocols use doses of 2.5 mg to 15 mg weekly, microdosing protocols use doses of 0.5 mg to 1.5 mg weekly
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