The short answer is: Yes, but with a few conditions.
✅ Coffee during intermittent fasting (16/8, 18/6, OMAD)
Black coffee, no sugar, no milk and no artificial flavors do not break the post. On the contrary, it can:
- Stimulate autophagyby suppressing insulin.
- Reduces appetitedue to the caffeine content.
- Supports mental energyin the post window.
- Has effects Anti-inflammatoryand antioxidants.
👉 Caution:if you have a sensitive stomach, try a cold brew or a weaker roasted coffee. If you want a premium experience, we recommend the artisanal selections from Opya.ro— Romanian cake with carefully selected grains.
⚠️ Coffee during black fasting
In black fasting (water only), coffee is sometimes tolerated, but there is debate:
- It can irritate an empty stomach, especially during the first 24 hours of fasting.
- Some very strict protocols (e.g. dry fasting, religious) exclude it completely.
- If you drink coffee, stick to the variant no calories, no sweeteners, no MCT oil or vegetable milk.
❌ What types of coffee break the fast?
- Coffee with milk, whipped cream, sugar, syrups.
- “Bulletproof coffee” with butter, coconut oil or MCT.
- Specialties from cafes (latte, cappuccino, etc.).
They trigger the secretion of insulin, stop autophagyand turns fasting into a period of involuntary eating.
🤓 Frequent myths
📝 Can I drink coffee in intermittent fasting? Conclusion: Yes!
Coffee is a great ally during fasting, as long as it is consumed correctly — simple, quality, and in moderation. If you want to enjoy authentic flavor and benefits, we recommend your assortments premium and handicrafts from Opya.ro— perfect for post or after window.
If it is very small amounts (a dust), it should not significantly influence fasting. However, avoid sweetened flavors or vegetable milk.
Ideally 1-2 coffees, preferably in the first part of the day so as not to affect sleep.
It depends on the amount — a few drops won't have a major effect, but if you want optimal results, you better avoid it altogether.

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