Celebrate your independence from guesswork!

Lumen lets you know whether you’re burning carbs or fats in real-time. This biofeedback helps you optimize your fat loss strategy, avoid plateaus, and reach your health goals.

Your breath holds the secret to better health. By measuring your metabolism in a single breath, Lumen lets you know whether you’re burning carbs or fats in real-time. This biofeedback is far more actionable than generic calorie counting, helping you optimize your fat loss strategy, avoid plateaus, and reach your health goals.