Adept's Elixir

Source
Adept's Elixir is a battle elixir crafted by Alchemist with a skill level of 300.

The recipe is taught by:
 * Alchemist Gribble in Honor Hold in Hellfire Peninsula
 * Apothecary Antonivich in Thrallmar in Hellfire Peninsula
 * Lorokeem in Shattrath City in Terokkar Forest

This item is also a reward from the Alliance quest which starts with Maktu in Orebor Harborage in Zangarmarsh.

This item is also a reward from the Horde quest which starts with Zurjaya in Zabra'jin in Zangarmarsh.