Indeed.
Although the food ordered from suppliers in the bags is much fresher than the Crested Gecko diet in the bottle at the store. It's also been said that day geckos (Phelsuma) can also be kept exclusively on these diets. If you have any other questions Allen Repashy himself has a forum, where 99% of the users use the product if you are in doubt, you can ask questions there. Allen even visits to answer questions sometimes.

