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677t low glutathione The Implication of a Polymorphism in the Methylenetetrahydrofolate Reductase Gene in Homocysteine Metabolism and Related Civilisation Diseases Role of Folate Metabolism in
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doi: 10.1371/journal.pone.0243292

Readers Share Thoughts: Kathy responded with this observation: A high B12 reading could indicate a methylation issue which causes the B12 to pool in ones system because it can not be broken down and used properly

[38] in 2013

This is fundamentally different from immune suppression, which simply reduces all immune activity regardless of its target
