From Minecraft Wiki
The icon for the Regeneration effect

Regeneration is a status effect that impacts a Player's Health bar by gradually replenishing hearts over time.

his/her health bar. Regeneration occurs naturally when a player's Hunger bar is full, but this status effect allows it to occur even if a player is partially hungry.

Like all status effects, it can be removed by drinking Milk.

Effect[edit | edit source]

The amount of health healed over time is shown in the table below.

Level Ticks per File:Half Heart.png Heart.png per second
1 50 0.2
2 25 0.4
3 12 0.83
4 6 1.6
5 3 3.3
6+ 1 10

Sources of Regeneration[edit | edit source]