Cold Brew and Fasting- What You Need to Know

Cold Brew and Fasting: What You Need to Know

If you’re a fan of cold brew and fasting, you may be wondering if these two trends can coexist. There’s a lot of information out there about what breaks a fast and what doesn’t. So, what’s the truth about cold brew and fasting? This guide will provide you with everything you need to know.

Key Takeaways:

  • Understanding the impact of cold brew on fasting can help you make informed decisions about consuming it during fasting periods.
  • Calories can affect fasting, and we will explore the calorie content in cold brew and the potential impact on fasting.
  • Black coffee is often permitted during fasting periods, and we will investigate whether cold brew, as a form of black coffee, can also be consumed without breaking a fast.
  • If cold brew does break a fast or you prefer to avoid it during fasting, we will suggest alternative beverages that can satisfy your cravings while adhering to your fasting goals.
  • Although cold brew might not be suitable for fasting, it still offers potential benefits outside of fasting periods, and we will explore these benefits.

Understanding Fasting

Fasting is a method of abstaining from food and drinks for a specific period. It has been used for various reasons, including religious or spiritual purposes, weight loss, and improved health. Many people fast as part of their lifestyle to maintain their physical and mental well-being.

There are several methods of fasting, including intermittent fasting, water fasting, and juice fasting. Intermittent fasting is a widely popular method that involves alternating between periods of eating and fasting. Water fasting involves consuming only water for a set duration, while juice fasting involves drinking only fruit and vegetable juices.

The benefits of fasting can vary depending on the individual and the method used. Studies have shown that fasting can aid in weight loss, improve insulin sensitivity, and lower inflammation levels.

Understanding Fasting Goals

When it comes to fasting, it’s essential to understand your goals. There are several reasons why individuals fast, such as reducing calorie intake, boosting health, improving brain function, and increasing longevity. By understanding your fasting goals, you can tailor your fasting routine to suit your needs and achieve the desired results.

In the next section, we will explore what cold brew is and how it can impact fasting.

What is Cold Brew?

Cold brew is a popular coffee beverage made by steeping coffee grounds in cold water for extended periods—typically around 12 to 24 hours. Unlike hot-brewed coffee, cold brew contains less acid, making it smoother and less bitter.

The brewing process also produces a concentrate that can be diluted with water or milk, making it incredibly versatile. Cold brew is an excellent option for coffee lovers who prefer a less acidic and milder taste in their coffee.

Breaking Down Calories in Cold Brew

Calorie content is a crucial factor to consider when fasting, and cold brew is no exception. While it’s true that cold brew has fewer calories than traditional hot coffee, it’s essential to understand how the brewing process affects calorie levels.

Type of Cold Brew Calories per 8 oz.
Black Cold Brew Less than 5
Cold Brew with Milk Around 50
Cold Brew with Sugar Around 100

As seen in the table above, black cold brew contains minimal calories and can be consumed without significantly affecting your fast. However, if you add milk, sugar, or other additives, the calorie count can increase significantly.

It’s worth noting that some brands offer ready-to-drink bottled cold brews, which may contain higher calorie counts than homemade cold brew. Always check the label before purchasing a cold brew to ensure it aligns with your fasting goals.

In summary, if you’re fasting and want to enjoy cold brew, stick to the black version or opt for homemade cold brew without any additives. This way, you can still reap the benefits of cold brew while remaining true to your fasting goals.

The Role of Black Coffee in Fasting

Black coffee is often a staple during fasting periods, and for a good reason. It is a low-calorie beverage that can help curb hunger and cravings, making it easier to maintain your fasting goals. But does cold brew, as a form of black coffee, have the same benefits during fasting?

The short answer is yes, cold brew can be consumed during fasting periods as long as it is black and with no additives. As mentioned earlier, black coffee is low in calories and won’t significantly affect your fasting goals. Cold brew, in particular, has a smoother taste and potentially less acidity than regular hot brewed coffee, making it an excellent choice for those who prefer cold beverages.

However, it’s important to note that there is no one-size-fits-all approach when it comes to fasting. Some individuals may find that consuming any form of coffee, including black coffee, disrupts their fasting goals. If you’re unsure, it’s always best to consult with a healthcare professional before incorporating cold brew or any other foods or beverages into your fasting routine.

Additives in Cold Brew

Cold brew coffee is naturally low in calories and sugar, which makes it a popular drink for those who are watching their weight or cutting back on sugar. However, some cold brews may contain additives that can affect fasting.

Common additives in cold brew include milk, cream, sugar, and flavorings. Milk and cream can add significant calories and fat to your drink, which can impact fasting. Even a small amount of added sugar can break a fast since it can prompt an insulin response and raise blood sugar levels.

Additive Effect on Fasting
Milk or Cream Can increase calorie and fat intake, potentially breaking a fast.
Sugar Can break a fast and raise blood sugar levels.
Flavorings May not have a significant impact on fasting unless they contain added sugar or calories.

It’s essential to read the label or ask the barista about the ingredients in your cold brew before consuming it during fasting. Opting for a plain cold brew with no additives is the safest bet since it won’t interfere with your fasting goals.

Pro Tip: If you enjoy flavored cold brew, consider making your own at home. You can use natural flavorings like vanilla extract or cinnamon without adding unnecessary calories or sugar.

Does Cold Brew Break a Fast?

After exploring the characteristics of cold brew, its calorie content, and the impact of additives, we can finally answer the question, does cold brew break a fast?

The truth is, it depends on your fasting goals and the method you follow. If you practice intermittent fasting for weight loss, consuming cold brew during the fasting period may not be recommended, especially if it contains a significant amount of calories or additives that can trigger hunger and disrupt the fasting state.

However, if you follow a less restrictive fasting method, like time-restricted feeding, and consume cold brew during the eating window, it may not affect your fasting goals.

Additionally, if you consume black coffee during fasting periods, cold brew might be a suitable option. As long as it has no additives or a minimal amount of calories, it is unlikely to break a fast.

In summary, whether cold brew breaks a fast depends on your fasting goals, the fasting method you follow, and the calorie and additive content of the cold brew. If you are unsure, consult a healthcare professional to determine the best approach for your needs.

Cold Brew Alternatives for Fasting

If you’re looking for alternatives to cold brew during fasting, there are plenty of options to satisfy your thirst and meet your fasting goals. Here are some alternatives to consider:

Beverage Description
Black Coffee As mentioned earlier, black coffee is a suitable beverage during fasting. Its low calorie content and lack of additives make it an excellent alternative to cold brew.
Green Tea Green tea is another great alternative to cold brew during fasting. Its natural antioxidants and low calorie count make it a healthier, flavorful option.
Herbal Tea If you prefer tea without caffeine, herbal tea is an excellent choice. It offers numerous health benefits while being calorie-free.
Water with Lemon Water with lemon is another refreshing and healthy alternative to cold brew during fasting. It hydrates your body while also providing a tangy, citrus flavor.

Remember, the key to a successful fasting routine is staying hydrated and maintaining your calorie intake goals. These alternatives offer a variety of options to meet both needs while also satisfying your taste buds.

Tips for Choosing Alternatives

When choosing alternatives to cold brew during fasting, keep the following tips in mind:

  • Look for beverages with no or low calories
  • Avoid additives like milk, sugar, or flavorings
  • Choose beverages that provide hydration and nutrients
  • Find options that satisfy your taste preferences to avoid temptation to break your fast

By following these tips, you can continue to enjoy a varied selection of beverages while staying on track with your fasting goals.

Benefits of Cold Brew During Non-Fasting Periods

While cold brew may not be suitable for fasting, it offers a range of potential benefits during non-fasting periods. Here are some reasons why you should consider incorporating cold brew into your regular diet:

  • Lower acidity: Cold brew coffee is less acidic than traditional hot-brewed coffee. This makes it easier on your digestive system and less likely to cause stomach discomfort or acid reflux.
  • Reduced bitterness: The cold brewing process also reduces bitterness in coffee, resulting in a smoother, less harsh taste. This makes it easier to drink without the need for added sweeteners, keeping your calorie intake low.
  • Longer shelf life: Cold brew can be stored in the refrigerator for up to two weeks, making it a convenient and easy option for busy mornings or on-the-go.
  • Potential health benefits: Some studies suggest that consuming coffee, including cold brew, in moderation may have potential health benefits, such as reducing the risk of certain diseases or improving brain function.

It’s essential to consume cold brew in moderation and be mindful of the potential drawbacks, such as its caffeine content. But when consumed responsibly, cold brew can be a delicious and beneficial addition to your non-fasting diet.

Tips for Incorporating Cold Brew into Your Fasting Routine

While cold brew may not be the best beverage to consume during fasting periods, you can still enjoy it as part of your non-fasting routine. Here are some tips to help you incorporate cold brew into your daily routine:

  1. Set boundaries for consumption. Decide how much cold brew you want to consume per day or week and stick to it. Avoid consuming excess amounts as it can lead to unwanted side effects like jitters or trouble sleeping.
  2. Choose low-calorie options. If you’re concerned about calorie intake, opt for cold brews with little to no additives and flavorings. Stick to plain black cold brew, which contains fewer than five calories per cup.
  3. Make your own cold brew. Save money and control the brewing process by making your own cold brew at home. All you need is coffee beans, water, and a French press or cold brew maker. You can customize the brewing process to suit your taste and preferences.
  4. Take note of your caffeine intake. Cold brew can be high in caffeine, which can impact your fasting goals. Be mindful of your caffeine intake and avoid consuming cold brew later in the day if it affects your sleep.
  5. Listen to your body. If you experience any discomfort or negative effects after consuming cold brew during your non-fasting routine, take a break or reduce your intake. Always prioritize your health and wellbeing.

By following these tips, you can still enjoy cold brew as part of your non-fasting routine while maintaining a healthy balance.


In conclusion, the relationship between cold brew and fasting is complicated. While some experts argue that consuming cold brew during fasting breaks the fast, others believe it can be consumed sparingly without disrupting the fast.

Understanding the brewing process, calorie content, and additives in cold brew can help you make informed decisions about whether to consume it during fasting. It’s always best to consult your healthcare provider before making changes to your fasting routine.

If you prefer to avoid cold brew during fasting, there are alternatives like black coffee or herbal tea.

Outside of fasting, cold brew offers potential benefits like increasing alertness and reducing the risk of heart disease. Just remember to consume it in moderation and keep track of your calorie intake.

Incorporating cold brew into your fasting routine can be challenging, but with the right tips, it can be done. Start small, listen to your body, and be consistent with your fasting goals.

Overall, the truth about cold brew and fasting is that it’s a personal and individual decision. By understanding the potential impact on your fasting goals, you can make a well-informed decision on whether to consume cold brew during your fasting periods.


Q: Does cold brew break a fast?

A: Cold brew typically does not break a fast, as it is low in calories. However, the addition of milk, sugar, or other additives may impact fasting. It is best to consume plain black cold brew during fasting periods.

Q: What is the calorie content in cold brew?

A: The calorie content in cold brew can vary depending on the brewing process and any additives. Generally, cold brew has fewer calories compared to traditional hot brewed coffee. Plain black cold brew can have around 0-5 calories per serving.

Q: Can I add milk or sugar to my cold brew during fasting?

A: Adding milk or sugar to your cold brew can break a fast, as these additives contribute calories and may stimulate insulin production. If you prefer to add flavorings, consider using unsweetened alternatives like almond milk or natural sweeteners like stevia.

Q: What are some alternatives to cold brew for fasting?

A: If you prefer to avoid cold brew during fasting, there are other options available. You can opt for plain black coffee, herbal teas, or plain water to stay hydrated and maintain your fasting goals.

Q: Are there any benefits to drinking cold brew outside of fasting periods?

A: Yes, there are potential benefits to drinking cold brew during non-fasting periods. Cold brew is known for its smoother and less acidic taste, as well as potentially higher antioxidant levels compared to hot brewed coffee.

Q: How can I incorporate cold brew into my fasting routine?

A: If you want to include cold brew in your fasting routine, here are some tips: 1) Stick to plain black cold brew without any additives, 2) Consume it during your fasting window to avoid disrupting your fast, and 3) Listen to your body and adjust your consumption accordingly.