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Sturgeon, C

Jul 15, 2026 We Got Good at Survival

You can find genetic testing with various companies such as 23andme.com Its estimated that those with one mutation (heterozygous) decrease their ability to methylate by 30% and those with two mutations (homozygous) decrease their ability to methylate by 70%, making it virtually impossible to get adequate B12 from diet alone (19)

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PRECAUTIONS: Hypersensitivity reactions to the parenteral administration of products containing thiamine have been reported

Vitamin B12 binding protein as a tumour marker for hepatocellular carcinoma