Mutagens, is it possible to combine? (The Witcher 3: Wild Hunt)

Sheiko
yes, in the "alchemy" tab, you can combine 5 pieces into one (if you have a recipe)

gerasader
3 small in 1 medium, 3 medium in 1 large.

Bupycop
doesn't matter, I wrote from memory, so, approximately, the main meaning is clear)))