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Vitamin B12 also has several contraindications: It is important to know that there is no universal dosage for vitamin B12
[Glutathione S-transferases (GSTs)] [PMID: 7602788] Laboratory literature summary: [Glutathione S-transferases (GSTs)]
Hu C, et al
Another study suggested the existence of a correlation between NRF2 accumulation and the development of a multisystemic disorder, characterized by immunodeficiency and neurological symptoms [322]
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Low or marginal B12 status affects up to 40% of Western populations often without the classic neurological symptoms that prompt formal testing
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