How to Read Nutrition Labels on The Low Carb Ketogenic Diet - Mee Le ... Step 3: Calculate Net Carbs. Remember all carbs break down in the body as sugar. When reviewing nutrition labels, IMO it's important to track net carbs. As a guideline when we #KeepitKeto, we recommend to eat less than 50 grams of net carbs, even better, aim for 20 grams of net carbs to unleash your fat burning potential.