Silverfish Powder: Obtained by killing silverfish, used for Potion of Haste.
Leech: Obtained by fishing in a swamp, used for Potion of Healing.
Jellyfish: Obtained by fishing in the ocean, used for Potion of Poison.
Specular Fish: Obtained by fishing, used for Recall Potions.
Positive Brewing Recipes
Potion of Absorption (Absorption 3:00): Brew a golden apple with Potion of Healing.
Potion of Haste (Haste 3:00): Brew silverfish powder with an Awkward Potion.
Potion of Resistance (Resistance 3:00): Brew a shulker shell with an Awkward Potion.
Potion of Saturation (Saturation 3:00): Brew a rabbit stew with a Potion of Healing.
Potion of Instant Health: Brew a leech with an Awkward Potion.
Milky Potion (Removes all effects and fills some hunger): Milk a cow but rather than a bucket, use a glass bottle.
Cure Potion (Removes all negative effects): Brew a golden apple with a Milky Potion.
Flavored Cake (Fire Resistance, Haste, Jump Boost, Night Vision, Regeneration, Resistance, Slow Falling, Speed, Strength or Water Breathing) Brewed the same way as the normal potion, but replacing the awkward potion or other that goes in that slot with cake.
Recall Potion (Teleports you to your spawn point): Brewed with one specular fish and one Dandelion Potion.
Dandelion Potion (Used for making recall potions): Brewed with one dandelion and one Water Bottle.
Negative Brewing Recipes
Potion of Blindness (Blindness 0:15): Brew a ink sac with an Awkward Potion.
Potion of Hunger (Hunger 0:30): Brew rotten flesh with an Awkward Potion.
Potion of Levitation (Levitation 0:15): Brew a fermented spider eye with a Slow Falling Potion.
Potion of Mining Fatigue (Mining Fatigue 0:30): Brew a fermented spider eye with a Potion of Haste.
Potion of Poison (Poison 0:45): Brew a jellyfish with an awkward potion. Alternatively, brew a poisonous potato with a Long Mundane Potion.
Dispel Potion (Removes all positive effects): Brew a fermented spider eye with a Milky Potion.
Ender Warp Potion (Randomly teleports you a few times): Brew chorus fruit with an Awkward Potion.
Potion of Decay (Wither II 0:40): Brew a fermented spider eye with a Potion of Regeneration.