Smart weight loss starts with understanding your metabolism, and that’s exactly what Lumen is designed to help you do.
Weight loss advice is everywhere these days. The problem is that it always seems to be changing, and isn’t personalised to your individual situation.
One minute it’s eat less and move more, the next it’s cut carbs or start counting every calorie.
What works for one person might not work for someone else, and when it comes to deciding what to eat to fuel your body in the healthiest way it can be difficult to know what your body actually needs on any given day. That’s exactly the gap Lumen was designed to fill.
Instead of guessing, it uses real time data from your breath to guide your daily nutrition and help support smart weight loss.
If you want to try it for yourself, you can use our Lumen discount code GYMDISCOUNT to get 10% off.
What Lumen actually is
Lumen is a small handheld device that measures what your metabolism is doing using a single breath. You breathe into the device and it analyses the carbon dioxide in your breath to work out whether your body is currently burning carbohydrates or fat for energy.
That result then shows up in the Lumen app, and over time build up a picture of how your metabolism is working day to day. The app also uses your readings to give personalised guidance around things like nutrition, training, sleep, and recovery, so you can make the best possible choices to help your weight loss journey.
See, this what we mean by Lumen helping with smart weight loss. Instead of guessing how many carbs to eat or following generic diet plans, you’re getting daily guidance that reflects what your metabolism is doing right now.
Over time that builds a clearer understanding of how your body uses fuel and what you should be eating based on what your body needs, which can make a big difference when the goal is losing weight and keeping it off.
How Lumen helps with smart weight loss
One of the most useful things about Lumen is that it removes a lot of the guesswork from weight loss.
Each morning you take a breath test using the device. Based on the results, the app provides guidance on things like how many carbohydrates you might want to include that day, what type of training might suit your current metabolic state, and how your sleep or stress levels might be influencing your metabolism.
Over time, those daily adjustments add up to make a big difference to your weight loss efforts.

In fact, Lumen studied a pool of their users over six months and found that, on average, they lost up to 12% of their body weight in that time. They also reported that in just 12 weeks there was an average reduction in body fat of around 3%.
These results are all down to the personalised plans that Lumen is able to put together based on how your metabolism is working.
It’s not a simple, one-size-fits-all system, it’s a smart weight loss plan that’s built around each individual person.
Building better habits
Another thing that makes Lumen interesting is the way it focuses on long term habits rather than short term dieting, which is a big part of what makes this kind of smart weight loss sustainable.
Because the device gives you feedback every day, it encourages you to become more aware of how your body responds to things like late night meals, poor sleep, or intense workouts.
Over time that awareness can make it much easier to build healthier habits that actually stick. And that’s the thing about smart weight loss, it means making small, meaningful changes that really make a genuine impact rather than going all out with changes that don’t work for you and your body.
A smarter approach to weight loss
There’s no shortage of diet advice out there, but most of it is really generalised and won’t necessarily work for everyone.
Lumen takes a very different approach by helping you understand what your metabolism is doing in real time.
By measuring how your body is using energy and providing daily guidance through the app, it offers a more personalised path towards smart weight loss.
If you’re curious to see how it works for yourself, then head to the Lumen website to find out more. And remember you can use our discount code GYMDISCOUNT to get 10% off your order.
SEE ALSO: Does Lumen Work for Weight Loss? Here’s What You Need to Know




