Healthy Benefits of Sabudana (Sago) - Bodywise 1) Energy source. 2) Gluten-free diet. 3) Regulates blood pressure. 4) Improves digestion. 5) Helps in weight gain. 6) To fill the iron deficiency in anaemia. 7) Boosts nervous system. 8) Enhances mental health Nutritional facts of sago sagu Sago Metroxylon sago is generally found in central and eastern Indonesia. The nutritional content of sago flour per 100 grams is 94 g of carbohydrates, 0.2 g of protein, 0.2 g of fat, 14 g of water content, and 355 cal of calories. Sago flour also has a low glycemic index of less than 55.