Pure Cut Keto In this body conditions, the body brakes to a metabolic state called ketosis which is very efficient in burning of calories. There are many instances when the body produces ketone, for example, during starvation, prolonged fasting and when you are on a ketogenic diet. A heaping scoop of Keto OS should be mixed with 12 to 16 ounce of cold water and taken at least once a day for therapeutic or even twice a day for "optimal performance." This procedure is recommended by Pruvit to ensure you have adequate non-sugar energy supply in your body for the day. You can make simple changes to your daily routine and lower both your weight and your blood sugar levels.