Tapioca starch is a fine, white powder derived from the cassava root, a plant native to South America. It is commonly used as a thickening agent in cooking and baking, providing a gluten-free alternative to wheat flour. In addition to its culinary uses, tapioca starch is also utilized in various industries, including food production, textiles, and pharmaceuticals. It is known for its ability to create a chewy texture, making it a popular ingredient in products like boba tea and tapioca pudding.