Gives one Red Heart container and doubles the healing provided by Red Hearts.
Quote
"HP up + you feel healthy"
Effects
Adds one Red Heart container.
Red Hearts heal double their value. A Half Red Heart replenishes one red heart of Isaac's health, a Red Heart replenishes two red hearts of Isaac's health, and a Double Heart replenishes four red hearts of Isaac's health. Blended Hearts still count as a single heart container heal.
A pink bow appears on Isaac's head.
Synergies
The Jar - Allows for spawning of infinite Red Hearts.
Humbling Bundle - Red Hearts are turned into Double Hearts that are worth four hearts of healing.