uanome.

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.

Want to read rs602662 in your own data? The free DNA explorer checks it in your browser — nothing is uploaded. Or get the full picture in Quanome, which reads your whole genome on-device alongside your labs and Apple Health.

See all your genes in one place

Quanome reads your full DNA file on your device — traits, nutrition, fitness, and more — alongside your labs and Apple Health. Free on the App Store and Google Play.

Download on the App Store Get it on Google Play

Quanome is free on the App Store and Google Play. Want product news too? Leave your email below.