syngenta advion ant gel 4 tubes 30 grams each syngenta advion ant gel bait is a great ant killer designed to be desirable to all major species of ants. indoxacarb, the active ingredient in advion ant gel, is a non-repellant insectide. advion ant gel is consumed by the workers as well as taken back to the colony to be shared, providing a high kill rate, eliminating the colony in a short period of time.