On this page of the guide to The Witcher Monster Slayer you will find information about the best potion available in the game - Swift.
Effect: increases the number of health points by 50%.
Ingredients: Powdered monster tissue (5), Bundle of herbs (3), Root (1).
To win, you have to deal damage faster than your enemy in each fight. Swift increases life points by 50%, so it is the best choice against difficult opponents. With it, you can significantly increase your chances in a fight. More health points can make killing enemies with skulls easier. This way you will save oil and bombs.