Levels 1 and 2-burning mostly fat-are ideal for the morning. Once you succeed at breathing through the device two to three times this way, the app gives you a score of 1 to 5, which tells you if you're burning mostly fat (1-2) or mostly carbs (4-5) level 3 means you're in the middle. I got so frustrated a few times that I had to set it down and take a break. This is less prone to error, though you'll again have to start over if you blow out with too much force. You have to keep your exhaling steady, to keep an additional onscreen ball in the middle of a bar (as pictured in the screenshot above). After holding your breath for 10 seconds, you exhale through the device until the ring on the screen disappears. If you go even a fraction of a second too long, you have to try again.
#LUMEN VDMX5 ANDROID#
The app ( Android or iPhone) instructs you to inhale through the device until a colored ring pictured on the screen expands to meet the outer circle. The device is generally easy to use, though it's sometimes difficult to get an accurate reading. The Lumen has a "sensor and flow meter" in it that uses the data from the RER tests to get that measurement at home. This measurement estimates if your body is using carbs or fat for energy. In a hospital or clinic setting, metabolism is measured by the respiratory exchange ratio, or RER, which is the ratio between the amount of carbon dioxide produced in metabolism and the oxygen used. At first glance, the Lumen kind of resembles a vape pen, which could make it go almost unnoticed if you were measuring your breath in public. They were looking for an easy way to track their metabolism during training for an Ironman race, and they created a small Bluetooth-connected device that measures the CO 2 concentration in your breath and determines if your body is burning fat or carbs. The Lumen was designed by twin sisters Michal and Merav Mor, both with PhDs in physiology. Instead of just telling you to eat a certain thing and work out a certain number of days, it explains how your body reacts to your diet. It's supposed to teach you about your metabolic health and make meal planning easy to understand and maintain, as long as you're willing to make it a part of your daily routine. But I've always been a mindless snacker, and quarantine has only exacerbated my bad habits. I value my happiness (and my delicious carbs) over losing 5 pounds. Planning balanced meals and creating a workout regimen is overwhelming to me.
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