Cure potion

The Cure potion is a one dose potion only available in the Dungeoneering skill. Using the potion cures disease and poison and provides immunity to both and dragon fire for 10 minutes.

It is made by adding Featherfoil and Firebreath whiskey to a vial of water. This requires level 48 Herblore and grants 98.5 experience in Herblore. This potion can only be made in dungeons with complexity level 5+.

Reference

 * RuneScape Game Guide: Dungeoneering - Herblore Tables