Water gets boring. Fast. Stay motivated and crush hunger with this list of delicious, zero-calorie drinks you can enjoy during your fasting window without breaking your fast or feeling an ounce of guilt.

One of the biggest questions for intermittent fasting newcomers is: “What can I actually drink?” It can feel restrictive, but the truth is, you have a whole menu of options that can keep you hydrated, curb cravings, and even make your fast easier. The golden rule is simple: stick to beverages with zero calories.
Here is your official fasting-friendly drink menu:
1. Water: The Undisputed Champion
This is your number one go-to. It’s essential for every bodily function. If plain water is boring, try:
- Sparkling Water: The bubbles can provide a feeling of fullness that helps suppress appetite. (LaCroix, Bubly, etc.).
- Infused Water: Add slices of cucumber, lemon, lime, mint, or fresh ginger to your water pitcher. The flavor is subtle and refreshing without adding calories.
- Electrolyte-Enhanced Water: Or add a sugar-free electrolyte powder to your water to replenish minerals.
2. Black Coffee: The Appetite Suppressant
A cup of black coffee is a faster’s best friend. The caffeine can boost your metabolism, increase focus, and suppress hunger. Just make sure it’s black—no milk, cream, sugar, or flavored syrups.
3. Tea: The Versatile All-Rounder
The world of tea is vast and perfect for fasting.
- Green Tea: Packed with antioxidants and a gentle caffeine boost.
- Black Tea: A stronger caffeine kick (English Breakfast, Earl Grey).
- Herbal Tea (Tisanes): These are caffeine-free and can target specific needs:
- Peppermint Tea: Soothes the stomach and curbs cravings.
- Chamomile Tea: Calming, perfect for evening.
- Rooibos Tea: Naturally slightly sweet, a great dessert substitute.
- Ginger Tea: Aids digestion and can ease nausea.
4. Apple Cider Vinegar (ACV) Drink: The Gut Health Booster
Dilute 1-2 teaspoons of raw, unfiltered apple cider vinegar in a large glass of water. It can help with blood sugar control and promote feelings of fullness. Always dilute it to protect your tooth enamel.
What Absolutely WILL Break Your Fast:
- Sugar: soda, juice, sweetened coffee drinks.
- Milk/Cream: Even a small splash in your coffee contains calories and can trigger an insulin response.
- Bulletproof Coffee: While popular in keto, adding butter or MCT oil to coffee provides calories and breaks a fast.
- Diet Soda: A controversial topic. While technically zero-calorie, artificial sweeteners may spike insulin in some people and can increase cravings. It’s best to avoid them for a clean fast.
Your drink choices can make or break your fasting experience. Experiment with these options to find what you enjoy most and what helps you feel your best.
Love Flavored Water?
If you want the flavor without the work of prepping fruits, a truly Fasting-Safe Water Drops is a fantastic solution. Look for ones with no calories, sugar, or artificial sweeteners. They’re a game-changer for making hydration easy and enjoyable.