What is the origin of the modified starch?

What is the origin of the modified starch?
R/ Modified starch is necessary for the tablet disintegrates in appropriate manner. It is vegetable source. Most of the people who ask us to respect usually do when in doubt of a product that contains or may carry traces of gluten. If so it would be indicated on the labeling. And it is not. Modified starch is not genetically modified maize source.