Methylation
Regulates gene expression and detoxification. A core biological aging marker.
What it tests: A core biochemical process that regulates gene expression, neurotransmitters, hormones, and detoxification.
Why it is important: Impaired methylation quietly affects mood, energy, hormones, fertility, and long-term cardiovascular and pregnancy risk. Genetics, B vitamin status, and clinical picture together guide intervention; pushing methylation hard without need can backfire.
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