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Gene library · Nutrition

B12 / folate recycling (A66G)

rs1801394 · gene MTRR · category Nutrition · Free in the Quanome app

Your DNA file reports your genotype at rs1801394 — a marker in the MTRR gene that studies link to b12 / folate recycling (a66g). Here's what each genotype is associated with:

GenotypeWhat it's associated with
AATypical MTRR activity.
AGOne variant — slightly reduced B12-dependent recycling.
GGTwo variants — reduced recycling; adequate B12/folate intake matters more.

Educational only — not medical or diagnostic advice. A single marker is one of many factors; strand orientation varies between files. Always consult a qualified clinician about your health.

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