Cleverly, all you have to do is breathe into the handheld device (which is small enough to fit in even the smallest handbags)
This year will see the tech taken to the next level, with products like Lumen really taking the fore.
Lumen is one of the Health Trends to watch for 2022
You could hire an expensive coach or you could hack your health with Lumen.
Extremely helpful. Well worth a try
Breathe into it and the Lumen will tell you how well you're burning fat, and how to eat healthier.
This Smart Gadget Helps You Hack Your Metabolism And Lose Weight
This metabolism breathalyzer helped me shed a few pounds in quarantine.
Lumen figures out just where your metabolism is at each day and then provides the best possible personalised dietary advice for the day ahead.