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In the case of vitamin B12 deficiency, the blood-forming tissues are affected first, but also the nervous system, because vitamin B12 is jointly responsible for the formation of the myelin sheaths in the nervous system
For the majority of people, I recommend once weekly for 4 weeks
They can support energy metabolism and fat transport, especially in individuals with low B12 or metabolic sluggishness
However, certain people, for example, pregnant women, may need to take supplements such as prenatal vitamins
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