Some people choose to have five or six days on keto followed by a day or two off. Others will do keto for 10 to 12 days followed by three to four days off. More research is needed to understand this relationship, particularly in the context of a keto diet. There is not yet any randomized controlled trial that has actually tested two low-carb diets of varying strictness head-to-head.Typically, if you range below 0.2 mllimole ketones per liter of blood, you are not considered to be in ketosis. Blood ketone meters are the more accurate way to measure your level of ketosis. They show an XP Nutrition Keto Gummiesexact and real-time measurement of the ketones in your blood, which is considered the “gold standard.” The biggest drawbacks of the blood strips are that they can get expensive quickly. They cost about $1 per strip, and most insurance providers don’t cover them.Keto flu usually includes poor energy and mental function, increased hunger, sleep issues, nausea, digestive discomfort and decreased exercise performance. To minimise the side-effects, regular low carb diet for the first weeks may help.