Fasting Days™ is formulated by Reginald Friesen M.D. and Innotech Nutrition to help support Intermittent Fasting with a balanced nutrient powder. Low in calories (Keto Friendly), non-GMO, non-dairy and free of sugar, gluten, MSG, artificial sweeteners, artificial flavours and colours. With 10 grams of amino acids, 13 vitamins and minerals including your daily electrolyte requirement. Drink this during your 18-20 hour fast.