Unlock your body's intelligence. 28 days at a time.

THROUGH EVERY PHASE

  • Teens & Early 20s – Understand your rhythms and decode symptoms
  • 30s & 40s – Optimize fertility, performance, and mental clarity
  • Perimenopause – Track shifting hormones and gain control
  • Menopause & Beyond – Manage health, aging, and wellness

HOW IT WORKS

  • Easy at-home testing – Guided 28-day sample collection
  • Precision analysis – Real-time hormone insights
  • Personalized insights – Delivered securely to your app
  • Clinician-ready – Share results with your doctor

WHAT YOU’LL DISCOVER

  • Patterns – Fatigue, sleep, mood, weight
  • Stress & inflammation – Effects on day-to-day well-being
  • Connections – Emotional shifts & monthly rhythm
  • Insights – Cycles, PCOS, perimenopause, transitions

Whether you’re 18 or 58, 28Days™ meets you where you are.