Not tried Liberte. Just checked and the plain one is syn free
Apparently there are honey, blueberry, lemon and strawberry ones too, but they have syns in.
Honey Liberte = 1.5 Syn
Blueberry = 1 Syn
Strawberry = 1 Syn
Lemon = 2 Syns
Not tired them. Are they alright? Might try the strawberry or honey