Gluten-free diets are often lacking in some key nutrients. Gluten-free breads, cereals and pastas are typically not enriched with B vitamins, folic acid, thiamine, riboflavin, niacin and iron the way similar gluten-containing foods are. The gluten-free diet is also at risk of being low in fiber as most people get the majority of their fiber from wheat-, rye- and barley-based foods. The diet may also be low in calcium, especially if your child is struggling with lactose intolerance. Here are some tips to help you think outside the lunch “box” and pack your kids nutritious and delicious gluten-free meals.