Normal.
It mainly needs to be analyzed from its ingredients:
The ingredients of coffee tablets: coffee powder, non-dairy creamer, sugar, essence (this is how various flavors are made),
Tablet forming accessories. Except for the latter, the other ingredients are those of three-in-one instant coffee
.
These ingredients are particularly easy to absorb moisture, especially sugar, and xylitol absorbs moisture more than sugar. So when you put it in your mouth, it melts quickly when you encounter saliva. As for the bitterness, it is the coffee powder that plays the role.
Coffee chewable tablets and xylitol chewing gum are two different concepts. The selling point of using xylitol in chewing gum is that compared to sugar, xylitol is a healthier sugar, especially for diabetics.