In my opinion, it depends on what you’re fasting for. If it’s for weight loss mainly, there are a few things you can have that can still count as fasting. Autophagy and stuff is harder, what I have heard is anything with protein will slow that down. You have to do what works for you.Me personally, I eat a pickle with my meds. Gets me some extra sodium and doesn’t have basically any other value. I do not consider it a fast breaker.
I follow Dr Jason Fung and he has said you can take some pills with chia seeds (after they’ve been plumped up with water) or a leafy green. While it may “technically” break your fast, it’ll keep you going and stop you from getting sick from taking the pills on an empty stomach.