A super defence mix is a Barbarian potion that boosts a players Defence level by 5-19 levels, as well as healing 600 life points per dose. It is made by using Caviar on a Super defence (2), and contains two doses. It requires a Herblore level of 71 to make and gives 50 experience.
This mix can only be created after completing the Herblore part of Barbarian training with Otto Godblessed. If the player drinks all doses or empties the potion, it will become a regular empty vial.