Is there an equivalent of Forlax without sweeteners?

Is there any equivalent of Forlax without any sweeteners? Unfortunately, the taste of this drug is unbearable and it is difficult for me to take it regularly. can cause gag reflexes, although after prolonged use it is supposedly better; The problem begins when I have nausea through the irritable intestine anyway, which interferes with taking the preparation, which theoretically has to help me Alternatively, is it possible to combine it with something to make it less sweet? Although I suspect that with the second question may be more trouble