Lumen
Cross-source consensus on Lumen from 1 sources and 5 claims.
1 sources · 5 claims
How it works
Preparation
Comparisons
Highlighted claims
- Lumen estimates whether the body is using fat, carbohydrates, or both by measuring carbon dioxide in exhaled breath after a controlled breathing maneuver. — Metabolic Flexibility and Breath-Based Fuel Measurement
- Lumen requires a specific breath maneuver rather than ordinary breathing. — Metabolic Flexibility and Breath-Based Fuel Measurement
- Lumen is presented as a consumer-friendly adaptation of indirect calorimetry. — Metabolic Flexibility and Breath-Based Fuel Measurement
- Lumen provides one metabolic signal within a broader tracking picture rather than replacing all other metrics. — Metabolic Flexibility and Breath-Based Fuel Measurement
- The breath hold is described as making exhaled carbon dioxide more reflective of blood carbon dioxide and current fuel use. — Metabolic Flexibility and Breath-Based Fuel Measurement