Contact with this foul liquid causes disease. A failed Fortitude check (DC15 + (Alchemy skill / 8)) results in the rotting of a random limb over the next 1-4 days. It can only be cured by regenerate, cure disease at 12th level, or Heal spell. A vial has 4 applications.
The plant for making this juice are found only on the isle of Torvild.