Used in a variety of potions, including Antidote to Uncommon Poisons and the Wideye Potion.
Billywig sting - Has the ability to make a person float. Bilberries - Used in the creation of the Berserking Elixir. Bicorn Horn - Powdered horns are used in Polyjuice Potion. Bezoar - Acts as an antidote to most poisons, with the exception of Basilisk venom. Betony - Used in the The Famous French Method for the Bite of a Mad Dog. Believed to be a key ingredient in witches' flying ointment. Belladonna - Fluids are used in part of a standard potion making-kit. Beetle Eye - The eyes of Beetles, Common ingredient. Bear Muscle Tendon - One of the ingredients of the Berserking Elixir, it is used to increase one's physical strength. Bear Claw Shavings - One of the ingredients of the Berserking Elixir it increases a drinkers body's stamia. Bat wing - Used in the corrosive Armadillo Bile Mixture. Bat spleen - Used in the Swelling Solution. Baneberry - Poisonous plant used in the Baneberry Potion and the Tonic for Trace Detection. Balm - Used in the The Famous French Method for the Bite of a Mad Dog. Asphodel - The powdered roots of Asphodel are used in the Draught of Living Death and the Wiggenweld Potion. Ashwinder egg - The eggs of an Ashwinder are used in Love Potions, Felix Felicis and as an antidote to ague. Asian Dragon Hair - Used in Sleekeazy's Hair Potion. Arnica - Poisonous plant, used in the Syrup of this plant, an ingredient itself. Armotentia - The main component in the Armadillo Bile Mixture. Armadillo Bile - Used in the Wit-Sharpening Potion. Antimony - No known usage or effect, but it is also used in its molten form.Anjelica - Magical herb with unknown effects and uses.Angel's Trumpet - Angel's Trumpet is used as an ingredient in Angel's Trumpet Draught and the Tonic for Trace Detection, and is a highly poisonous plant.Alihotsy - Used in the Laughing Potion and Alihotsy Draught the leaves cause uncontrollable laughter.Alcohol - Ethanol, used in Elixir 7 and Pepperup Elixir.African Sea Salt - Used in Draught of Living Death.African Red Pepper - Used in Piquant Toothpaste and Dentifricium Mouthwash.Adder's Fork - The tongue of an Adder snake, unknown use and effect.Acromantula venom - Venom of the Acromantula spider: because of its rarity, it can sell for about one hundred Galleons a pint, and is an ingredient in the Armadillo Bile Mixture.Aconite (Wolfsbane or Monkshhod) - Used in Wolfsbane potions, but also in the Wideye/Awakening Potion.Abraxan hair - The hair of an Abraxan Winged Horse, unknown effect and usage.