Potions

Bindweed: Increases resistance against acid and acid poisons.

Black blood: Turns blood into poison

Blizzard: Further enhances reflexes and reaction time of The Witcher.

De Vries' Extract: This allows to notice hidden opponents and grants the ability to see through the walls.

Full moon: Enhances Vitality

Golden Oriole: Increases resistance to poisons.

Kiss: Increases resistance to bleeding

Maribor Forest: Significantly enhances endurance

Petri's Philter: Increases intensity of 'Signs'

Swallow: Increases regeneration ability

Tawny Owl: Enhances ability to regenerate endurance

White Honey: Cancel all the effects of the potions and reduces toxicity

White Raffard's Decoction: Restores some Vitality

Wives' tears: Cancel all alcohol effect

Fisstech: Strong drug, upon consumption pass out instantly