Can You Drink Coke Zero While Fasting? A Guide

Can You Drink Coke Zero While Intermittent Fasting?

Intermittent fasting is a popular approach to weight loss and improved health. While there are many benefits to intermittent fasting, one of the most common questions is whether or not you can drink coke zero while fasting. The answer is, it depends on the type of fasting you are doing and what your goals are.

What is Intermittent Fasting?

Intermittent fasting is an eating pattern that alternates between periods of fasting and non-fasting. It involves limiting your intake of food and drinks to an 8-hour window each day. During the fasting period, you are not allowed to eat or drink anything that contains calories. This includes things like sodas, juices, and energy drinks.

Can You Drink Coke Zero While Intermittent Fasting?

According to Autumn Bates, a certified clinical nutritionist, technically speaking, most diet sodas that have zero calories will not break a fast. This means that you can consume a diet coke while intermittent fasting as it is a zero calorie beverage.

However, many dieters recommend avoiding overly sweet drinks, including coke zero, while fasting. This is because artificial sweeteners can trigger an insulin response, which can disrupt the fasting process.

Types of Intermittent Fasting

Intermittent fasting can be done for a variety of reasons. The type of fasting you choose depends on your goals.

  • Fasting for Gut Rest: Diet soda does break your fast. This is because it contains artificial sweeteners and other ingredients that are not allowed on a gut rest fast.
  • Fasting for Longevity: More research is needed in this area, but it is safer to avoid diet soda while fasting for longevity.
  • Fasting for Caloric Reasons: Diet soda has zero calories, so if you are fasting for caloric reasons, then no, diet soda technically won’t break your fast.


No, you should not drink Diet Coke while intermittent fasting. Diet Coke contains artificial sweeteners that will trigger an insulin response, which can disrupt the fasting process. It is best to avoid diet sodas while fasting, and stick to calorie-free beverages like water, tea, and coffee.

Intermittent fasting can be a great way to lose weight and improve your overall health. While it is important to know what you can and cannot consume while fasting, it is also important to understand the long-term effects of your choices. If you are unsure if you should drink Diet Coke while intermittent fasting, it is best to speak with a certified nutritionist or healthcare professional for the best advice.

Is it possible to consume beverages with no calories while doing intermittent fasting?

You can consume beverages with no sugar, no calories, and no effect on your macronutrient intake during your fasting period.

Is it permissible to consume Diet Coke while engaging in intermittent fasting?

It is recommended to avoid drinking soda, even if you are not following an intermittent fasting diet.

Which beverages are allowed during intermittent fasting?

Herbal Teas. …
Vegetable Juice. …
Fresh Fruits.

Is it okay to have Coke Zero while on a diet?

If you want to cut down on your sugar or regular soda intake, it’s best to choose healthier, low-sugar drinks such as herbal tea, fruit-infused water, and black coffee instead of Coke Zero, since it doesn’t provide any nutritional value and the long-term effects of drinking diet sodas are still unknown.

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In addition to following a proper diet, finding the right book to guide and motivate you can be a key factor in the success of your fasting journey. If you are looking for resources to help you understand the science behind fasting, techniques, and recipes for cooking during your fasting window, then Fasting Books is a great place to start. Get inspired, educated, and fueled for your health and wellness goals today!
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