The Potion of Regeneration (0:22 - Regeneration II) grants the user a brief but powerful boost to natural health recovery. Upon consumption, it triggers the Regeneration II effect for 22 seconds, during which the player's health bar replenishes at an accelerated rate, healing a total of one heart every 1.25 seconds. This makes it particularly useful in combat situations or when facing environmental hazards that can rapidly deplete health.
The numerical item ID for Potion of Regeneration (0:22 - Regeneration II) is 373
Numerical item IDs will only work in Minecraft versions below 1.13.
The item ID for Potion of Regeneration (0:22 - Regeneration II) is minecraft:potion
This is the spawn command to give yourself Potion of Regeneration (0:22 - Regeneration II) in Minecraft which includes the Minecraft /give command. If you are using the Essentials plugin you will need to use /minecraft:give instead of /give