Potions are items that can be used to gain an effect. Potion will most likely be of different effects. There will also probably be different levels of potions, and different durations.
A potion is a type of consumable item which can grant a player special Status Effects. There are several different types of potions and most types can be made out of a variety of materials. Potions can be brewed in a Brewing Stand. The main starter ingredient to potions is the Nether Wart. While potions can be started with other ingredients, it is easier to use nether wart first.