Mageblood Elixir

Mageblood Elixir is an elixir that periodically restores mana for an hour.

Source
This elixir is made by Alchemists with a skill level of 275.

Recipe: Mageblood Elixir is sold by on Yojamba Isle in Stranglethorn Vale. You must be with the Zandalar Tribe to purchase it.