I’m a big believer in listening to your body.
And, I also don’t subscribe to the ‘more is always better’ mindset.
Thus, if doing a longer fast is something you really want to try, go ahead. But, most people who do IF never do extended fasts (i.e., more than 24 hours), so do not beat yourself up, especially if it is adding to your stress levels.
I’m actually 43 hours into a 72 hour fast right now and sparkling water is helping. When I get a pang, I just gulp it till I feel it in my stomach, and it passes. I also found slimfast intermittent drink pouches and it helps with my sweet tooth because it tastes like super sugary red kool-aid, so I highly recommend those.
You could try in steps—I tried drinking broth first then just water. But if you think it was the mint tea, might be better to stick to water only. The hard part for me for any 35-48 fast was being way too alert for sleep.