One makes you larger is a consumable in The Binding of Isaac, added in the Afterbirth DLC.

+25% size. Does not affect the hitbox.

Decreases the pitch of Isaac's voice.

Horse pill: Increases Isaac's size twice.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this consumable for the previous Repentance version, check this page instead.

This item contributes towards the Stompy transformation. Collecting 3 items from this set will grant Isaac the ability to destroy rocks on contact and a chance to spawn rock waves when taking damage.

The following special synergies and interactions for One makes you larger have been documented.

* Note that not all possible synergies and interactions are listed here.

Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.

One makes you larger

• Isaac gets bigger
• Horse pill: Isaac gets much bigger
• Placebo: Recharge 6

The following sounds are related to this consumable.

• Check out the consumable description on the external Isaac Wiki.