What is Gluten, Who Should Avoid Gluten & Who Should Not Avoid Gluten?2020. Gluten/ Gluten Meaning : Gluten is a protein naturally found in wheat, barley, & rye .Gluten contain mixture of two protein glutenin & gliadin when flour made from grinding these grain is mixed with water the two proteins combine & form gluten. Gluten acts like a binder, holding food together and adding a "stretchiness". Gluten helps food to maintain their shape, acting as a glue that holds food together. Gluten free-diet becoming too much popular or trending these day. Gluten is a controversial topic these days most sources claim that it is safe for everyone except those people who have celiac disease. On other hand some health experts believe that gluten is harmful to most people. Vast majority of people avoiding gluten is not necessary. Make sure that choose healthful foods & go for complete food.