Flukers High-Calcium Mealworm DietInvertebrates, such as mealworms, do not contain sufficient amounts of calcium to satisfy your reptiles needs. Over time, a calcium deficiency can lead to poor bone growth. This is why it is important to offer your pet reptile mealworms that have been fed ("gut loaded") a nutritionally rich diet. Gut loading mealworms prior to offering as prey ensures appropriate calcium levels are passed along to the reptile and allows pets to benefit from both the