Gluten is a mixture of proteins found in wheat and other grains that can cause gluten-related health issues such as celiac disease. While some people are gluten-free by necessity, others follow a gluten-free diet by choice because of its suggested health benefits. Whatever your reason for sticking to a gluten-free diet, there are several meal kits that offer gluten free meal delivery to your door, making it easier to eat what's best for your body.