- La Casa's Vital Wheat Gluten is sourced from natural gluten which is the main wheat protein. Hence it contains 75% + wheat gluten protein. - Vital Wheat Gluten is simply wheat protein in a powdered form. - Vital Wheat Gluten is also known as Wheat Gluten. - Add 7% Vital Wheat Gluten to change flour into a high gluten flour with a protein content of 14%. - Adding 5 to 15 percent Vital Wheat Gluten to flour will act as a binder in the finished product. - It gives bread dough more elasticity improves its rise and makes the end product chewier.