Sago or tapioca is a starchy grain extracted from the cassava plant. It provides carbohydrates and is used in India to break fasts during religious festivals as it provides quick energy. Sago is easy to digest and can be given to sick people for energy. It contains carbohydrates, protein, fat, vitamins and minerals. Sago is beneficial for patients as a source of healthy carbohydrates and can promote weight gain. It is also gluten-free and a good alternative for people with celiac disease. Sago contains calcium, phosphorus, potassium, magnesium and other minerals and vitamins important for health.