Raptor Punch

Raptor Punch is a drink that raises intellect temporarily at the cost of stamina. It is only available as a quest reward.

Source
This item is a reward from the quest which starts with Mebok Mizzyrix in Ratchet in The Barrens. To complete the quest, you must turn the following items to Mebok Mizzyrix:
 * 5 Intact Raptor Horn