Quick checks for intermittent fasting questions.
Simple, practical answers to the things people worry about most — coffee add-ins, sweeteners, supplements, and more.
✅ Usually OK for most people
Black coffee, plain tea, water — usually fine during a fast.
We’ll always note the exceptions.
❌ Breaks a Fast adds calories
Sugar, milk/cream, protein, oils — these end the fasted state.
Low insulin ≠ fasting.
⚠️ Depends goal + context
Some “zero” products and supplements depend on your goal (fat loss vs autophagy).
We’ll spell out the trade-offs.