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Gene library · Nutrition

Vitamin B12 status (secretor)

rs602662 · gene FUT2 · category Nutrition · Free in the Quanome app

Your DNA file reports your genotype at rs602662 — a marker in the FUT2 gene that studies link to vitamin b12 status (secretor). Here's what each genotype is associated with:

GenotypeWhat it's associated with
GGSecretor — typical B12 handling.
AGIntermediate.
AANon-secretor — often higher serum B12 and norovirus resistance.

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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