When you click on a product on DrippedCoffee.com and decide to buy it, we may earn a small commission at no cost to you. Learn more.

Can I Drink Coffee While Fasting? 

When you think about fasting, coffee may not be the first thing that comes to your mind. But some people would say that coffee can be a great part of a successful fast.

If you’re a coffee lover and you need to fast, one question must be bugging you, “can I drink coffee while fasting?”

What’s the verdict? The jury is still out on this topic. Some people believe it is ok to drink coffee while fasting, while others say it’s not.

One way to know for sure is to weigh your personal beliefs against your physical needs and see what feels right for you. If you want to drink coffee while fasting, then go ahead!

It shouldn’t be a problem for most people as long as they’re careful about not adding too much sugar or cream into their coffee. But remember that there are pros and cons to drinking coffee when fasting.

Here are key points you need to know.

Pros of Drinking Coffee While Fasting

Boosts Fasting Benefits

It makes sense that drinking coffee during a fast would help your body absorb nutrients more efficiently since it’s giving your body a much-needed caffeine boost.

woman drinking coffee

Research has shown that drinking coffee while you fast helps your body absorb fat-soluble vitamins, faster than if you drink nothing. This is especially true for vitamin K, which is important for your bones, blood clotting, and strong blood flow.

According to the study, those who took coffee also had lower harmful cholesterol levels, compared to those who didn’t drink coffee.

Coffee Won’t Break Your Fast

Coffee doesn’t cause your fast to be broken because your body quickly metabolizes the caffeine. The caffeine is released into the bloodstream, which is terrible because it can cause headaches or anxiety. When your coffee comes in contact with your liver, the coffee is not being broken down, and your body doesn’t become inflamed. In fact, it speeds up metabolism.

Promotes Weight Loss

black coffee laptop on a wooden table

Many people claim that drinking coffee while fasting can help you lose weight. This may be because caffeine helps increase fat burning. This may be true, but it’s more likely that it simply means that caffeine increases metabolism, which boosts calorie burning.

Some studies have shown that participants who had caffeine during their fast had lost more weight. Researchers thought that it’s because caffeine stimulates the release of growth hormone and other metabolism-boosting substances in the body.

According to a study, drinking a cup of coffee with breakfast increases the chance of shedding pounds. This might be because of the caffeine content, which can boost metabolism and hormones that help regulate the metabolism.

Other experts also claim that coffee might increase hunger hormones and cause a sense of fullness. This means that you’ll feel less hungry when you’re fasting and reduce cravings for food.

Reduces Inflammation

Inflammation is the body’s response to injury. If you’re a fitness fanatic, you’re probably doing lots of workouts to achieve an impressive body.

The inflammation that these exercises cause is quite different. It’s caused by the hyperactivity of specific white blood cells, called macrophages. These cells get overly active when the body’s system is over-excited.

woman drinking coffee during workout

Coffee and other caffeine-rich foods can help reduce inflammation. While researchers haven’t figured out the precise mechanism, it’s believed that caffeine reduces inflammation by activating adenosine receptors.

Coffee can help your immune system fight off any foreign substances, such as those that attack your body during a fast. For example, an intake of caffeine may stimulate your body’s production of white blood cells, which fight off foreign substances and viruses that attack your body.

For many people, taking a caffeine supplement before a fast can help enhance their body’s immune system response.

Reduces Risks of Type 2 Diabetes

Coffee has some real benefits, and one of the most exciting ones is that it could help prevent diabetes by regulating blood sugar levels. The caffeine in coffee helps keep blood sugar levels more stable, helping to avoid those unpredictable spikes and dips typical of fasting.

If you have diabetes, then drinking coffee while fasting can have a significant impact on your health. Coffee has the benefit of producing an increase in insulin secretion capable of keeping glucose levels more stable and potentially slowing the progress of type 2 diabetes.

Research shows that drinking coffee may reduce the risk of type two diabetes by up to a third. The study suggests that coffee is protective because it reduces the amount of sugar in the blood.

The link between exercise and the prevention of type 2 diabetes is so strong that it’s given the nickname the “Miracle Mineral Solution” because of its potential power to combat the disease.

Coffee Promotes Autophagy

The body has anabolic, detoxifying, and metabolic properties, and these are enhanced when you drink coffee. It’s pretty much similar to drinking water during a fast. Coffee provides fluids and proteins required for optimal health.

Studies show that drinking coffee has both protective and healing effects on the liver. Not only that, but research has also shown that consuming caffeine stimulates autophagy, which is the body’s way of removing damaged cells.

Although caffeine stimulates the liver to consume excessive amounts of fat, it’s not likely to cause excessive weight gain during a fast. That is unless your body is used to drinking coffee regularly.

Cons of Drinking Coffee While Fasting

Added Ingredients Could Reduce Fasting Benefits

There are two kinds of coffee: rich and regular.

Rich coffee contains a higher amount of caffeine, which you don’t want to drink for a complete 24-hour fast. But typical coffee includes a much lower amount of caffeine. You can go for this version if you’re feeling strong.

Remember to avoid other unhealthy extras like sugar or cream.

Causes Agitation

Many people believe drinking coffee is just fine as long as it doesn’t contain caffeine, but they could be wrong. Coffee contains caffeine, a natural stimulant. Some people take larger doses of coffee because caffeine provides energy during a fast.

The problem with caffeine is that it stimulates the nervous system and may cause agitation and anxiety. This could make you feel jumpy and very edgy.

If you are at all sensitive to caffeine, avoid coffee during a fast.

Causes Anxiety and Depression

Caffeine can be addictive, and if you’re not careful about how much caffeine you’re consuming, you could end up feeling out of control, moody, and depressed.

Drinking too much coffee can cause intense anxiety and difficulty concentrating. It can also cause insomnia, leg cramps, headaches, and excessive perspiration.

Causes Insomnia

A general rule of thumb is that drinking coffee will disrupt your sleep patterns.

Researchers have found that caffeine will delay your circadian rhythm, which is the natural cycle that lets you fall asleep and wake up during the night naturally.

If you frequently have difficulty falling asleep or staying asleep at night, avoid drinking coffee during your fast.

Many say that coffee can help you stay energized during a fast, but it could also just make you feel more alert than you are. If you’re worried about falling asleep during your fast, it’s best to hold off on having coffee until you’ve completed your fast.

Frequently Asked Questions

Can I Drink Coffee While Intermittent Fasting?

Yes. You can consume black coffee in moderation. Intermittent fasting is not a diet. It’s an eating pattern that can help improve health. Drinking coffee can, in fact, complement the benefits of intermittent fasting. However, it is still best to stay away from additives.

Also, find out how much bulletproof coffee you can drink in a day.

Can You Drink Coffee When Fasting for a Blood Test?

It depends! A lot of research has found that caffeine does not negatively affect a fasting blood test. Caffeine may not affect fasting blood test results. However, many people prefer to drink coffee or tea while fasting.

But, you’re not supposed to eat while fasting. A reasonable interpretation of this rule is that you can’t drink coffee. But if you feel the need to eat, have a glass of water with lemon or orange juice. It will also help you to know how long coffee lasts in your system.

Can I Drink Coffee While Fasting?

The consensus is that drinking coffee, and not water, during fasting will not lead to dangerous side effects. It is often advised that you don’t drink any coffee or any caffeinated drinks for up to two hours before a meal to let your body fully process and metabolize the caffeine.

If you are going to drink coffee while fasting, be mindful of the amount of coffee you’re consuming. Consume a small amount of caffeinated coffee—around half a cup (250-300 mg of caffeine)—every few hours, preferably in the morning or night. Don’t drink coffee too close to your next meal. Your body must get rid of the caffeine when you’re fasting.

Krista Haws

Known among her friends as 'the caffeine fiend', Krista loves all things coffee. From an extremely short, strong espresso to a 3 day cold brew, Krista loves them all.

Leave a Comment