Three drinks that won't break your intermittent fast.
- Katie Bateman
- Sep 4, 2024
- 3 min read
Updated: May 2
My Top Picks for Staying Energised and Clear-Headed while intermittent fasting

If you’ve just started your fasting journey, there's a chance you might have stumbled across a few challenges. Fasting can be tough, especially when you hit an energy slump or start craving something other than water. Trust me, I’ve been there!
As I mentioned in my Book Summary of Dr. Mindy Pelz’s Fast Like a Girl , fasting in sync with my hormones has allowed me to bypass many of the icky side effects I used to experience during longer fasts—namely, excessive hanger. However, there are still times when I need a little bit of a boost to get through the day without breaking my fast.
In this post, I’m sharing the three drinks (Other than water) I swear by during my fasts. I’ve blood sugar-tested myself with all of these, and they don’t break my fast. According to Dr. Mindy Pelz, if your blood sugar doesn’t spike more than 0.5 mmol/L (10 mg/dL) within 1-2 hours after consuming a drink, it likely won’t break your fast. Of course, everyone’s body responds differently, so the best way to know for sure is to test your blood sugar yourself. I use the LifeSpan blood glucose and Ketone monitoring system sugar to test mine.
That said, these three beverages are calorie-free, sugar-free, and have consistently kept my fast intact.
1. HOPR: My Go-To Fasting Beverage
HOPR is my absolute favourite drink, whether I’m fasting or not. I first discovered it when I was on my quest to reduce my alcohol intake, and it’s been a game-changer ever since. This refreshing sparkling hop water is infused with adaptogens and nootropics, making it perfect for staying calm and clear-headed.
Why I Love It:
Adaptogens and Nootropics: The combination of Lemon Balm (an adaptogen) and L-Theanine (a natural nootropic found in green tea) provides a calm, focused energy without the negative side effects of alcohol.
Flavour Variety: HOPR comes in four delicious flavours, - Mango, Passionfruit, Citra and Amarillo Hops and Citra Hops- There's always something to match your mood.
Fasting-Friendly: Zero calories, zero sugar, and it won’t spike your blood sugar.
Whether you’re winding down after a long day or powering through an afternoon slump, HOPR has become my No.1 fasting sidekick.
2. LMNT: Essential Electrolytes Without the Sugar
Staying hydrated during a fast is crucial, and LMNT has become my go-to for replenishing vital minerals. This high-quality electrolyte mix contains the perfect ratios of sodium, potassium, and magnesium—without any of the sugar or artificial ingredients found in most over-the-counter electrolyte supplements.
Why I Love It:
Clean Ingredients: LMNT is packed with essential minerals and zero sugar.
Energy Boost: Perfect for staying energised during a sauna session, workout, or when energy levels dip during a fast.
Flavour: My favourite is Watermelon, but there are plenty of options to choose from.
You can grab LMNT Here
3. Coffee and Herbal Tea: Classic and Reliable
Black coffee and herbal teas are fasting staples for many, and for good reason. They can provide a much-needed energy boost without breaking your fast. However, it’s important to choose your coffee and tea wisely.
What to Look For:
Quality: Opt for organic coffee whenever possible to reduce your exposure to pesticides and chemicals. My favourite is Yahava Pacifica, which you can find here.
Herbal Teas: Not all herbal teas are created equal. Avoid brands that use microplastic-containing teabags or sweeten their teas with dried fruits or sugar. I swear by Pukka’s Three Ginger and Feel Good flavours. They’re certified organic and widely available in most Australian supermarkets, or you can order them from their website here.
Final Thoughts
Fasting doesn’t have to mean deprivation. With the right beverages, you can stay energised, clear-headed, and on track with your fasting goals. Remember, the key is to listen to your body and choose drinks that support your fasting journey without breaking it. Whether you’re sipping on a sparkling HOPR, replenishing with LMNT, or enjoying a comforting cup of herbal tea, these options are sure to keep you going strong.
How's your fasting going? What's your biggest challenge, I'd love to know and cheer you on. Type in the comments box below.

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