I have been tracking and tweaking my metabolism thanks to Lumen, a device that uses your breath to show you whether or not your body is burning fats or carbs. Use code FITMOMMY for $50 off of Lumen. Only valid for the first 100 people! Click here: lumen.me/?fid=3314 Using Metabolic Flexibility has made my low carb journey even easier. Here are are some of my favorite meals + how I use my Lumen to stay on track. #lumen #metabolism #weightloss #fatburn #lowcarb