The #1 Smart Tracker App
The Smart Vitamin D Tracker.
Lab Data Import • Combination Check • Cycle Management

Transparency & Medical Disclaimer
Informative
No medical advice. All data and calculations are for informational and educational purposes only.
Data-driven
Dosages, half-lives, and interactions are calculated based on scientific literature.
100% Privacy (Offline)
Your health data stays on your device. We do not track, upload, or sell your personal details.
7 Days Free Trial
Try all premium tools free for 7 days. Cancel anytime with full transparency.
Half-Life Depletion Modeling
Vitamin D breaks down predictably. Our tracker estimates your current level between blood tests using your logged intake and half-life science.
Sun Exposure Meets Supplementation
Log sunlight exposure alongside supplements for a complete picture of your D status -- not just pills.