← Glossary
TraitModerate

Caffeine and jitters

Caffeine and jitters is a genetic trait Biome reports in its food & drink panel: Whether caffeine is more likely to leave you jittery or anxious, via the ADORA2A gene — the opposite genotype from the sleep effect.

Category
Food & drink
Markers
ADORA2A rs5751876
Strength of evidence
Moderate

Genes

Markers (rsIDs)

How Biome reads this

Biome's at-home DNA test reads this directly from one saliva sample, alongside 650,000+ other markers.

Biome DNA test

This page is for educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure, or prevent any disease. Genetic results describe tendencies and predispositions, not diagnoses. Always consult a licensed clinician before making decisions about your health, medications, or supplements.