Made with pure and top-grade natural ingredients nature sure double mass tablets are a unique fusion of ayurvedic herbal extracts and proteins that help gain weight easily quickly and above all naturally. Suitable for all underweight men and women with a lean body type nature sure double mass helps increase calorie intake and appetite. Take 1 to 2 tablets twice or thrice a day ideally with milk (or water). All natural supplements take time so continue for at least 2-3 months for effective results.