As Featured In
- Sarakim on losing 42 pounds on Key to Health
How It Works
Real-Time Metabolic Feedback
With just a breath, our sensor reveals if you’re burning fat or carbs—so you can adjust in the moment and stay on track.
Personalized Coaching from KEY
Get tailored advice, motivation, and support—anytime you need it. KEY learns your habits and helps you optimize your day, one smart step at a time.
Proven Results, Backed by Science
In a clinical trial, users lost 8% of their body weight in just a few months. They also saw better blood sugar, liver markers, sleep, and mood—without extreme diets or intense routines.
Built for Real Life
Key to Health works because it fits your life—not the other way around. No matter how busy you are, you’ll make lasting progress through small, powerful actions you can sustain long-term.
Real reviews from real MEMBERS
1,532 Reviews
SIMPLY THE BEST
Key to Health is a great way to monitor and encourage good eating. Personally, I have seen my diabetes go into remission (no insulin or medication needed). Key to Health is helping me maintain this lifestyle.
KEY TO HEALTH SUCCESS
With Key to Health I’m better informed and this system has made it so much easier and smoother for me to stay on my diet and fitness regimen. I’m very grateful to Key to Health and highly recommend it!!!
GAME CHANGER
I am very happy with Key to Health. I have also benefitted by the support of food suggestions through the app. Thanks to Key to Health, I am finally on the road to my optimum body weight. Along the way, I’m eating totally healthy and delicious food. Yay!