Energy Savers Unlimited EN70025 2 oz Rzilla Gutload Cricket Food Much of reptile nutrition comes from the gut load of the crickets, mealworms and king mealies they eat. The problem: a captive insects sparse diet cant match the complete nutrition of their wild counterparts. Gut Load was created to prefill each insect with vital carbohydrates, calcium, calories and vitamins. Simply place a supply in the insect enclosure 24 hours before feeding to a reptile. It takes only teaspoon per insect, and youll see the benefit in a healthier, more active pet