Whether you have celiac disease or are simply sensitive to gluten, Subway offers menu items for gluten-free diners. However, knowing which items to choose can be tricky, so having a gluten-free Subway food list is beneficial. But keep in mind that because Subway doesn't specifically offer a gluten-free menu, there is always a risk of cross-contamination. Gluten-Free Subway Menu Items On their website, Subway provides an allergen list to help customers with food sensitives or food allergies.