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Description
Aumann, A

Age, gastrointestinal disorders, and certain medications can also interfere with B12 absorption
Joshi, G

COMT Met/Met reduces methylation-dependent 4-OHE2 clearance, routing more substrate toward quinone formation and therefore toward GSTM1/GSTT1-dependent detoxification

Review of the metabolism of 2-hydroxy-4-(methylthio) butanoic acid
