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Train smart,
not by feel.
See how your muscles work in real time. Adjust intensity, control fatigue, and improve performance.
- Non-invasive muscle measurement
- Real-time data
- Garmin integration
Training load based on lactate
Adjust load based on direct muscle data, not indirect heart rate. No guesswork means repeatable progress.
- Real body load
- Precise training zones
- Faster training progress
Sensor compatible with Garmin
Real-time data and detailed post-workout analysis in Garmin Connect. Everything you need in one ecosystem.
- Real-time data
- Garmin Connect integration
- Training analysis
Data-driven training
Train based on physiological data, control training load and make informed training decisions. More stable progress.
- Data-driven decisions
- Training load control
- Stable progress
Clear effort indicator
Lactate shows the real fatigue level of your body and helps you train at the right intensity while better controlling training load.
- Fatigue measurement
- Optimal intensity
- Lower risk of overtraining
Tested athletes
Scientifically validated
Based on +2100 athlete performance tests and comparisons of blood test results we have created a non-invasive method of measuring lactate.
High accuracy
Research Academy of Physical Education confirm + 91% accuracy after a one-time individual calibration.
| Method | QLAC | Heart rate | Pace | Lactate test |
|---|---|---|---|---|
| Reaction speed | ✓ | ✕ | ✕ | |
| Accuracy | ✓ | ✕ | ✓ | |
| Daily readiness | ✓ | ✕ | ✕ | ✓ |
| Ease of use | ✓ | ✓ | ✓ | ✕ |
QLAC is the only method that combines reaction speed, accuracy, assessment of daily readiness, and ease of use in one solution.
Why is QLAC better than blood tests?
Comparison of two methods of monitoring metabolism during training.
NON-INVASIVE
Non-invasive real-time monitoring of muscle activity.
Analyze metabolic changes throughout the entire training session without interrupting the effort.
- Measurement using near-infrared light (NIRS).
- Continuous real-time lactate monitoring
- Full graph of changes during exercise.
- Without interrupting the workout
- Garmin integration
- Accuracy: 88–91% after calibration
- Wsparcie w wyznaczaniu stref wysilku
- One-time investment in the device
FROM BLOOD
Single-point measurement requiring a blood sample.
Each result shows only a single moment of effort and requires stopping the training.
- Finger prick and blood sample collection.
- Single, point-in-time result.
- No data between measurements.
- Training must be stopped.
- No integration – results must be recorded manually.
- Approx. 96% (reference method)
- Raw value without analysis.
- Ongoing costs of single-use test strips
