Ricola for Pesach?

Ingredients are
Color(caramel) extract of a Ricola herb mixture (elder,hysop,lemonbalm, linden flowers, mallow, peppermint, sage,thyme, wild thyme) natural flavoring, starch syrup, sugar
Kosher for P?

May be a problem

Here’s a Ricola that is kosher for Pesach for all