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Gene library · Nutrition

Caffeine metabolism

rs762551 · gene CYP1A2 · category Nutrition · Free in the Quanome app

Your DNA file reports your genotype at rs762551 — a marker in the CYP1A2 gene that studies link to caffeine metabolism. Here's what each genotype is associated with:

GenotypeWhat it's associated with
AAFast caffeine metabolizer — you clear caffeine relatively quickly.
ACIntermediate-to-slow caffeine metabolizer.
CCSlow caffeine metabolizer — caffeine lingers; afternoon coffee may affect your sleep.

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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