Sago is a type of starch extracted from the core of certain tropical palm stems. Sago, a starch common in Southeast Asia, commonly likened to tapioca balls with its gummy texture and often-spherical form, touts important health benefits. It provides a few essential nutrients, as well as antioxidants, and can enhance exercise performance.Sago is almost pure carbs and low in most nutrients. It’s naturally gluten-free and suitable for those on grain-free diets. Sago can be eaten mixed with water, used as a flour in baking, or as a thickener. Sago pearls are commonly used in dessert dishes.