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Methylation

Methylation is the biochemical process of attaching a methyl group to another molecule. Your body runs it billions of times per second for DNA repair, neurotransmitter synthesis, and detoxification. Variants in MTHFR, MTR, MTRR, COMT, and CBS change how well this cycle runs — and whether methylated B-vitamins are worth the extra cost.

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methylation

MTHFR Explained: What the Most-Hyped Variant Actually Means

rs1801133 affects how your body activates folate. Here's what 'compound heterozygous' really tells you about supplementation choices.

April 29, 2026 · 3 min read