We measure what life does to you.
The body keeps one account of all of it. Summa reads it from a drop of saliva: free testosterone and free cortisol, against your own baseline.
Hormone samples analysed in our own laboratory, in Oulu, Finland.
02The Lab Kit
2 minPer sample, at home
Samples in one week map your personal range.
Free testosterone, free cortisol and the ratio between them.
Sampled at home, in season, before and after training.
Wearables see the load. Summa shows the response.
- Steps
- Heart rate
- HRV
- Sleep
- Training load
- Free T · free C
- Mood
- Notes
- Travel
Your wearable records the work. Summa adds the body’s chemical answer to it, on the same timeline.
Built and tested in elite sport and tactical units.
“For years I’ve tracked my training. My load. My recovery. Now I’m tracking what’s happening internally too. Performance isn’t just about how hard you train. It’s about how well you adapt.”Read the story ↗
“I’ve been part of the development to get hormone-based performance analytics to be suitable for professional sports use. I’ve used Summa to sync my anabolism and the days when peak performance is needed.”
- 9Olympic medals
- 5Olympic golds
- 3Olympic Games
Where Summa is measured.
Free, not total.
What free testosterone and free cortisol are, why we measure the free fraction, and how to read them against your own baseline.
Our supplement, Informed Sport certified.
Our story, our laboratory and the people behind Summa.
The Truth In You.
For a team, start with a pilot: ten athletes, fifteen weeks. For anything else, send us a message.
For research and wellness use only. Not for medical or diagnostic purposes.