Uncovering the Pros and Cons of Diet Coke and Intermittent Fasting

The Connection Between Diet Coke and Intermittent Fasting

Intermittent fasting is a powerful and popular tool for weight loss and better health. But can you drink diet soda while fasting? Get the facts here! According to certified clinical nutritionist Autumn Bates, most diet sodas with zero calories won’t break a fast. But what’s the connection between diet coke and intermittent fasting? Read on to find out!

Why Diet Soda May Not Be the Right Choice for Intermittent Fasting

Even though diet soda has zero calories, it’s not the right choice for intermittent fasting. That’s because it still triggers an insulin response, thanks to its artificial sweeteners. This means that diet coke can still break your fast, even if it doesn’t contain any calories. In fact, experts like nutritionist Tara Coleman Palinski-Wade recommend staying away from diet soda and other calorie-free drinks while you’re intermittent fasting.

The Long-Term Effects of Diet Soda on Your Health

It’s important to consider the long-term effects of diet soda on your health. Studies suggest that artificial sweeteners found in diet soda can increase the risk of type 2 diabetes and metabolic syndrome. Additionally, some researchers believe that artificial sweeteners may disrupt the balance of gut bacteria and lead to weight gain. This is why health experts recommend avoiding diet soda, even when it won’t break your fast.

Does Diet Coke Break a Fast?

The short answer is no. Diet Coke contains zero sugar and zero calories, so it won’t break a fast. Technically speaking, it’s okay to consume while fasting since it doesn’t stimulate the mTOR, a protein kinase. However, it’s best to avoid diet soda while fasting since it can still break your fast and increase the risk of chronic health problems.

Healthier Beverage Alternatives for Intermittent Fasting

If you’re wondering what to drink while intermittent fasting, here are some healthier alternatives:

  • Unsweetened tea or coffee
  • Sparkling water
  • Herbal teas
  • Bone broth
  • Kombucha

These drinks won’t break your fast and don’t contain any artificial sweeteners. Plus, some of them offer additional health benefits. For example, herbal teas can help with digestion and relaxation. Kombucha can provide probiotics for gut health. And bone broth has vitamins and minerals that can support your immune system.

The Bottom Line

Unfortunately, diet soda, while it won’t break a fast, isn’t the right beverage for you while you’re intermittent fasting. There’s also been no evidence to suggest that diet soda can help with weight loss or better health. If you’re drinking soda, you’re no better off than if you were drinking a sugary beverage. It’s best to stay away from all types of soda while intermittent fasting.

Is it permissible to consume Diet Coke while following an intermittent fasting plan?

It is not recommended to consume soda when engaging in intermittent fasting. It is advisable to avoid soda altogether, regardless of your diet plan.

Will drinking a Diet Coke interrupt my fasting period?

Diet soda is a beverage that contains no calories, carbs, or protein and does not cause an insulin response. Therefore, it does not interrupt a fast.

Which beverages are allowed during intermittent fasting?

Herbal Tea. …
Unsweetened Coconut Water.

Can drinking Diet Coke interrupt ketosis?

Although diet soda is allowed on the keto diet, drinking it may lead to cravings for carbohydrates. A study found that artificially sweetened beverages can deceive the body into thinking it is receiving calories and carbohydrates, which may cause an urge to consume more carbs.


If you are interested in learning more about fasting, Fasting Books offers a variety of resources on different types of fasting.

Check out Fasting Books for guidebooks, recipe books, and more that can help you improve your fasting routine and achieve better health outcomes.

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