Not Just Another Wearable
YNSYGHT is the world’s first Adaptive Human Performance OS, powered by continuous lactate monitoring - built to detect thresholds, guide training, track recovery, and personalize nutrition. As your physiology evolves, so does the system. No lab. No guesswork. Just intelligent, adaptive guidance, driven by the most powerful molecule in performance science.
What Makes Us Different
YNSYGHT provides continuous access to the most powerful metrics in human performance. Data once confined to elite labs is now captured in motion, delivering real-time visibility into your internal metabolic state, 24/7. From thresholds to fuel use, recovery to adaptation, every data point refines how you train, fuel, and perform.
Recovery Kinetics
Fatigue is mapped through changes in lactate behavior across sessions, building a high-resolution profile that guides load progression, recovery, and tapering while minimizing the risk of overtraining.
Lactate in Motion
Subcutaneous lactate is measured continuously. This live internal signal powers threshold detection, fatigue modeling, recovery scoring, and adaptive training, no lab required.
Fuel Economy
Fuel efficiency is measured continuously, revealing how your body shifts between fat and carbohydrate as intensity changes, and how that balance adapts as your metabolic performance improves.
Adaptive Programming
Training adapts to you. As thresholds rise, fatigue accumulates, or recovery slows, the system adjusts intensity, duration, and structure to match your current physiological state.
Threshold Intelligence
LT1 and LT2 are tracked as they shift. Training zones update automatically, so intensity always matches your current physiology, not outdated estimates or vague proxy prediction.
Performance Summary
Each session reveals exactly how your physiology responded, mapping threshold shifts, recovery rates, fuel usage, and fatigue, then translates it into clear direction for what to do next.
What Sets Us Apart
Most platforms track surface signals: heart rate, pace, HRV. But those are proxies. Lactate isn’t. It’s the gold-standard metric for what’s actually happening inside you. YNSYGHT captures it continuously, detecting shifts in thresholds, substrate usage, and fatigue the moment they occur, enabling it to adapt faster, sharper, and more precisely than anything else on the market.
"It's like having a lab and a coach in the palm of your hand, 24/7"
— Brad Howell, Founder & CEO