07/10/2026
Some people wire off a single espresso. Others barely feel their third. That's not willpower or tolerance — it's your DNA. ☕
Your genes shape how quickly you metabolise caffeine. If you carry the slow-metaboliser variant, that afternoon coffee could be quietly wrecking your sleep. Knowing your variant means you can time your caffeine for steady energy — not jittery crashes.
Decode your caffeine gene — link in bio. 🧬