Some people will tell you that you can eat 250 calories and stay in fast
Some will say that I’d you consume anything other than water, tea, or black coffee your fast is broken
A couple people will say that your fast is broken if you drink water or take a shower… Dry fasting is scary imo
This is all by your definition and seeing if what you are doing is in line with your goals.
I’d say your supplement is fine unless it somehow causes you an issue. It’s up to you! 😊