Daniel Tal (Lumen): Measure Your Carb Vs. Fat Burning, Hack Your Macros, Your Breath Signature, Low Carb Vs. Low Fat, Ketone Problems, Metabolic Flexibility, And More!
By melanieavalon / May 21, 2020The new Lumen device measures CO2 in your breath to tell if you’re burning carbs or fat, and what to do about it!