Oats are inherently gluten-free; however, they often become contaminated with trace amounts of gluten-containing grains during cultivation, processing, and storage. The Gluten Intolerance Group indicates that most individuals with celiac disease can safely consume oats, but adherence to a recognized purity protocol offers additional assurance to the most sensitive consumers that manufacturers have taken necessary steps to ensure their gluten-free status. The FDA permits food producers to label their products as “gluten-free” if they contain fewer than 20 parts per million of gluten. Additionally, the Gluten Free Watchdog, an organization dedicated to providing gluten-free testing information to the public, advocates for a purity protocol as the most effective measure to guarantee that oats are free from gluten. Some manufacturers opt to use mechanical or optical processing methods on less expensive “regular” oats to create their gluten-free offerings. This market is not only lucrative but also expanding rapidly. Sales of gluten-free products are on the rise, with projections estimating the market will reach $4.89 billion by 2021, up from $2.84 billion in 2014, according to a recent report from Transparency Market Research. Approximately three million individuals in the United States are affected by celiac disease, an autoimmune condition that causes symptoms triggered by gluten, which is a protein found in grains like wheat, rye, barley, and spelt. Food manufacturers, including PepsiCo’s Quaker division, Snyder’s-Lance, and General Mills’ cereal brands, have introduced or reformulated numerous products—such as cookie mixes, cereals, crackers, and muffins—to be gluten-free or to offer gluten-free options. While some skeptics argue that gluten-free foods are merely a trend, with certain grocery stores reporting a decrease in demand for these products, companies aiming for growth should consider investing in this thriving industry, even if the current surge in popularity eventually stabilizes. Furthermore, as consumers increasingly seek nutritious options, incorporating supplements like calcium citrate, vitamin D3, and folic acid into gluten-free products could attract health-conscious buyers and enhance product offerings.