Reference

Current map proto is 1.4.2

Potion Effects

Obsolete - Don't use these

Use Status Effect IDs instead
ID Name Description
1 SPEED Increases movement speed.
2 SLOW Decreases movement speed.
3 FAST_DIGGING Increases dig speed.
4 SLOW_DIGGING Decreases dig speed.
5 INCREASE_DAMAGE Increases damage dealt.
6 HEAL Heals an entity.
7 HARM Hurts an entity.
8 JUMP Increases jump height.
9 CONFUSION Warps vision on the client.
10 REGENERATION Regenerates health.
11 DAMAGE_RESISTANCE Decreases damage dealt to an entity.
12 FIRE_RESISTANCE Stops fire damage.
13 WATER_BREATHING Allows breathing underwater.
14 INVISIBILITY Grants invisibility.
15 BLINDNESS Blinds an entity.
16 NIGHT_VISION Allows an entity to see in the dark.
17 HUNGER Increases hunger.
18 WEAKNESS Decreases damage dealt by an entity.
19 POISON Deals damage to an entity over time.
20 WITHER Deals damage to an entity over time and gives the health to the shooter. *
21 HEALTH_BOOST Give the entity additional hearts. Those hearts vanish as the effect ends.
22 ABSORPTION Give the entity additional hearts which can't be replenished. Those hearts vanish after the effect ends.
23 SATURATION Increases the food level of an entity each tick.

* May not work as expected with PGM

Copied from: bukkit docs - Potion Effect Types