Keyspan

Stop guessing about your health. Start acting on it.

Meet Kai — your AI health coach from Keyspan. Keyspan turns your blood biomarkers, wearable data, and health history into clear, personalized steps, delivered by Kai and backed by human National Board Certified Health Coaches (NBC-HWC), functional nutritionists, and precision supplements. Precision wellness, built for action — so you finally know what to do next.

WHAT YOU GET WITH KEYSPAN AI health coaching — Ask Kai anything, anytime. Get your biomarkers explained in plain language and daily guidance based on your real data — securely, 24/7. 80+ biomarker blood testing — Mobile phlebotomy at your home or office, covering metabolic, hormonal, nutritional, and cellular health. Wearable integration — Connect your wearables so all your health data lives in one place. Microplastics blood testing — See the level of microplastics in your blood and get personalized guidance to help lower your exposure. Human health coaches — Work 1:1 with NBC-HWC–certified coaches and functional nutritionists over video and chat. Precision supplements — Recommendations based on your biomarker results, delivered to your door. Personalized action plans — A simple daily plan you can actually follow, updated as your data changes. Access to additional testing and services such as Prenuvo full body MRI, GRAIL cancer screening blood tests and more

HOW IT WORKS Order your Keyspan test. A phlebotomist comes to you — no lab trip required. Get your results. 80+ biomarkers, explained clearly. Meet Kai. Ask questions, get insights, and follow your daily action plan that updates daily as your body changes. Work with a coach. Add human coaching whenever you need it. Take action. Nutrition, supplements, lifestyle, and follow-up testing.

WHO IT'S FOR People who want to take control of their health, not just react to it. Anyone curious about what's actually going on inside their body but want to go beyond just the test.
People serious about longevity, toxins, and long-term wellness.

ABOUT KEYSPAN Keyspan is the action layer for health — moving people from reactive treatment to proactive prevention. By combining AI, human expertise, advanced lab testing, and precision supplements, Keyspan helps you understand your body and take the right action. Download Keyspan to get started. Subscriptions and testing are available at keyspan.ai.