A Truth Potion forces the drinker to reveal their secrets. The most powerful Truth Potion is Veritaserum.


Veritaserum is a Truth Potion so powerful that three drops of the clear liquid would force the drinker to reveal their innermost secrets.

From the Story

Harry Potter and the Goblet of Fire

Discovered in chapter 27, Padfoot Returns

Use of this potion is controlled by very strict Ministry guidelines.

Discovered in chapter 35, Veritaserum

The Truth Potion Veritaserum is used to force Barty Crouch Junior to reveal the truth about his role in the return of Lord Voldemort.

Harry Potter and the Half-Blood Prince

Discovered in chapter 9, The Half-Blood Prince

Veritaserum is a colourless, odourless potion. Professor Slughorn prepares a cauldron of Veritaserum to show his sixth-year Potions students.

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