Brushing your teeth does not break your fast, according to scholars. Mr Hassan says that sometimes people who are fasting erroneously believe that the slight minty taste from toothpaste is enough to break the fast.

Does brushing teeth break intermittent fasting?

Some toothpastes may contain artificial sweeteners. Whilst these don't have any calories as such, they can trigger an insulin reaction, which is counterproductive to one of the main benefits of intermittent fasting. So we advise, keep brushing your teeth but be careful of swallowing any of the toothpaste itself!

Can I brush my teeth if I'm fasting?

​Yes, brushing your teeth is permitted unless otherwise indicated by your physician, assuming you do not use large amounts of toothpaste and swallow the lather.