Grape Mentats (Fallout 4)

Grape Mentats are a consumable item featured in Fallout 4 that can be crafted or found by the Sole Survivor.

Characteristics
Grape Mentats are in a small tin that says Mentats on the front. Also said to taste like codeine. It brings out the user's talkative nature, allowing better prices for trading.

Locations

 * 3 can be found in Hubris Comics: one on the third floor on a desk, and two in a suitcase in the changing room on the top floor.
 * 3 can be found in the underground levels of Listening Post Bravo (accessible during the quest Blind Betrayal): one on a console on the western wall of the first room, and two more on a table right before Paladin Danse.
 * A couple can be found on the hill on the road to safety in Vault 111.