It is common this day to see labels of food carry inscriptions such as “Gluten-free.” Also, many diets are regarded as gluten-free diets. This implies the rising concerns about the nutrition and implication of gluten in foods. This term paper describes the chemistry of gluten and identifies its food sources. It also discusses the uses of gluten, particularly in the food industry, and the several disorders relating to gluten consumption by humans. Finally, it explains what gluten-free diets purportedly are.