While most variants of Saffola Fittify The Perfekt Gummies can be taken at any time of the day, it is recommended that the Apple Cider Vinegar variant is eaten on an empty stomach in morning or half hour before planned big meal during the day and Sleep Health variant needs to be consumed 30 mins before sleeping at night. Saffola Fittify recommends you always read the information provided on the label carefully and follow instructions for use. Please consult your nutritionist/dietician/healthcare provider in case you have any health concerns or are not sure about the suitability of this product for you.