Some ideas for you to make your home-made gentian aperitif :
A gentian aperitif taken half an hour before a meal whets the appetite. And gentian promotes easier digestion.
Those are well-known benefits of gentian roots and a excellent reason to have a home-made gentian aperitif (in moderation, of course).
Using the gentian roots in a decoction maximizes its benefits. But taste and bitterness are also increased !