Mazuri Better Bug Gut Loading Diet is formulated to optimize the nutritional content of crickets and other feeder insects. Feed to crickets or other feeder insects for 24-72 hours before offering to your insect-eating reptiles, birds and mammals. Offering Better Bug to your insects improves their nutrient value, delivering optimized nutrients to your pet. The high level of calcium helps balance the calcium to phosphorous ratio; sources of omega-3 fatty acids and vitamin A further enrich the nutrients of the bug. This diet is not intended for long-term maintenance or breeding of insects.