Wheat field Photo Credit Design Pics/Design Pics/Getty Images. Wheat dextrin is a versatile product that is primarily used in the textile, adhesive and food industries, and as a dietary fiber to improve digestion. Wheat starch is chemically processed to make wheat dextrin.It is used globally and has many commercial uses, along with various health benefits.heat field Photo Credit Design Pics/Design Pics/Getty Images. Wheat dextrin is a versatile product that is primarily used in the textile, adhesive and food industries, and as a dietary fiber to improve digestion. Wheat starch is chemically processed to make wheat dextrin.