1/14/2024 0 Comments Does lumen work![]() I worry that many people will start skipping meals and go hungry to stay in fat-burning mode longer. Concerns about Lumenĭo you *really* want to be walking around breathing into a breathalyzer test wherever you go to see what your metabolism is doing? My fear with this device is that it enables people to ignore their hunger and fullness cues. Lumen will probably work for you simply because it makes you pay attention to what you are eating, and it will likely help you consume carbohydrates in appropriate amounts and not in excess. You can make these changes without a breathalyzer test. Sure! If you trade the triple-stacked pancakes and the double servings of creamy pasta for portion-controlled, fiber-rich carbohydrates and plenty of veggies, will you lose weight? Probably. You don’t need a $250+ device to tell you that. Then, when you eat breakfast, your body will use the carbs from that meal to function. When you wake up in the morning, say at 7 am, you are likely burning fat because you haven’t eaten in 12+ hours. But, most people use fat for energy when they haven’t eaten in a long time (typically after an 8+ hour fast.) Suppose you eat your last meal or snack at 7:00 pm, and you go to bed. The advertisement makes it sound like it reveals some mysterious information that you wouldn’t otherwise know. I think I could figure that information out without an expensive breathalyzer device. Wait! So, if I put in that I had too many helpings of pasta yesterday, today the app will suggest that I don’t overdo it on the carbs again. B ased on what you enter, it gives you recommendations on what to eat. At that point, you are supposed to record everything you ate the day before. Lumen encourages users to breathe into the device first thing in the morning, which “unlocks” their day. ![]() Most of us can figure out what we are using for fuel throughout the day. In addition, many users were unimpressed, with most saying that the information lumen gives is not obscure and mysterious. ![]() Many people who have tried the device say this is difficult, and they struggle with keeping up with all the rules. You have to breathe into the machine first thing in the morning and before and after meals and workouts. This adds another layer of micromanagement. To succeed, you have to track your macros in a separate app. Instead, the app suggests eating a specific number of carbs, fat, and protein. The nutrition recommendations aren’t a clear-cut meal plan. How does Lumen give nutrition recommendations? The device comes with an app that gives you the breath test results and macronutrient recommendations to follow. A one or two means you are burning fat, a three is somewhere in between, and four and five means you are using carbs for energy. What does Lumen tell you after breathing into it?Īnytime you breathe into the device, it tells you whether you are burning fat or carbs using a scale from 1 to 5. Do you want to pay a couple of hundred dollars for a machine to take a guess? Pass! Instead, they estimate the amount of O2 based on your breath flow rate. The device doesn’t contain an O2 sensor, which is needed to assess the use of carbs and fat for energy. Lumen measures your levels of CO2 and makes a rough estimate of your metabolic performance based on that. The carbon we breathe out as carbon dioxide comes from the carbon in the food we eat. Humans breathe in oxygen (O2) and exhale carbon dioxide (CO2). Since I had to research the device, it now shows up EVERYWHERE on my browser and social media pages. You know what this device is excellent at doing? Advertising. Measuring the O2 and CO2 ratio (this is what Lumen claims to do) is helpful for dietitians in determining the nutritional needs of critically ill patients that require vein feedings, but how does this information help out the rest of us that are not unconscious in an intensive care unit? This technology is nothing new, and it is common in clinical or research settings. The concept is pretty cool, but I am not sure it’s that useful. I don’t know about you, but this gives me major Elizabeth Holmes and Theranos vibes! □ There’s a good chance an advertisement has popped up on your social media feeds featuring a hand-held device that you can breathe into, and with just one single breath, the device claims to measure whether you are burning fat or carbs.
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