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Can You Drink Black Coffee While Intermittent Fasting

Fasting And Artificial Sweeteners

Can I Drink Black Coffee while Intermittent Fasting?

Sweet taste is a much-discussed topic regarding intermittent fasting and the keto diet. On the one hand, it is difficult to get away from it. On the other hand, it substantially promotes cravings.

Most sugar-free sweeteners have zero protein, carbohydrates, and calories. Therefore, they do not raise the blood sugar level. But is the calculation that simple?

No, since people often forget that both intermittent fasting and keto have one essential goal: Lowering insulin levels to allow your body to tap into stored fat for energy.

Since the storage hormone, insulin, prevents body fat breakdown and ketone production, a significant increase in insulin levels breaks the fast.

Unfortunately, most diet gurus have not done their homework in this context.

As endocrinologist and fasting pioneer Dr. Jason Fung correctly points out, it does not matter whether food increases blood sugar levels as long as it increases insulin levels .

Beckys Glucose Results: Equal

Her blood glucose was at 94 mg/dL, it went up to 105 mg/dL at 30 minutes, then back to 94 mg/dL at 60 minutes, and up to 103 mg/dL at 120 minutes.

It kind of went back and forth a couple of times over the test in both your ketones and glucose.


When we look at my results for Equal, they are actually very similar to my results for sugar.


Yes. Your blood glucose definitely went up a little bit, and your ketones came down a little bit.


Nothing significant happened, I didnt really benefit from it.

As far asyour ketones go:

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Drinks To Avoid While Fasting

Because of the massive amount of sugar that Americans eat on average, many people have become dependent on glucose for energy. When you eat a lot of sugar and that sugar isn’t utilized for energy, your body breaks it down and eventually stores it as body fat, per UC Berkeley. In addition, the refined sugar found in most beverages digests quickly, spiking both your blood sugar and your insulin levels.

Sugar is also addictive. Indeed, a July 2013 review in Current Opinion in Clinical Nutrition and Metabolic Care found that sugar and sweetened beverages and foods induce reward and craving responses in the brain that are comparable to the responses triggered by addictive drugs, which continue the cycle.

As a result, it’s best to avoid sugary drinks that can break a fast, including:

  • Soda
  • Kombucha

Can You Drink Diet Soda, Gatorade Zero or Propel While Fasting?

Drinks like diet soda, Gatorade Zero and Propel don’t have sugar or calories, so they may seem OK for fasting.

But its not that simple. These drinks and similar flavored water products like Mio contain artificial sweeteners, which can increase sugar cravings and make fasting more challenging, per Harvard Health Publishing. Accordingly, it’s best to skip these beverages while you’re fasting.

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Is Black Coffee Okay For Intermittent Fasting

Is black coffee okay to consume for people who are undergoing intermittent fasting?

The answer is yes, it is okay for people to drink black coffee even during fasting periods. This is because it contains relatively low calories which cannot hinder your fasting.

However, black coffee should be taken in moderate amounts only as overconsumption can damage your health.

Sue Ryskamp, a Senior dietitian who works at the Michigan Medicines Frankel Cardiovascular Center, said that it is okay to drink a coffee with the condition thatit has to be pure black coffee with no sugar or creamer in it.

A cup of black coffee contains approximately about threecalories along with very few amounts of minerals, fats, and protein.

Although not scientifically proven, it was claimed by some people that drinking black coffee helps suppress appetite making it much easier to fast.

In general, though, drinking black coffee is unlikely hinder your intermittent fasting.

Testing The Effects Of Cream In Coffee When Fasting

Intermittent Fasting &  Coffee: Can You Drink Coffee While ...

On my second YouTube channel that I run with my husband, Keith, we perform a lot of small-scale tests to determine how different foods affect our intermittent fast.

On testing days, we get up in the morning, take our baseline blood glucose and ketone readings, consume something, and then retest our blood at 30, 60, and 120 minutes.

What wed like to see is that a food or drink does not cause a spike in glucose or a drop in ketones, because that may indicate a rise in insulin. Insulin is the fat-storing hormone, so if it goes up, fat is being stored, not released and burned.

When we tested heavy cream, the result was favorable meaning it caused a slight drop in glucose and a slight rise in ketones.

From that, we concluded that cream in your coffee would not knock your body out of fat-burning mode, and therefore it was okay to consume during your intermittent fast!

Now admittedly, these home experiments with just two subjects are far from a rigorous scientific study. There are several factors to consider when determining if youd like to add cream to your coffee.

Want more info on what you can put in your coffee when Intermittent fasting? See our complete test here: What Can I Put In My Coffee when Intermittent Fasting?

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Can I Drink Herbal Tea While Intermittent Fasting

Although herbal and fruit tea is prevalent here in Central Europe, they are often big surprises. You usually cannot be sure what is inside.

Besides regular dried fruits, candied fruits often hide in fruit tea. Moreover, they often hide in herbal tea as well. And their sugar content will break a fast.

Accordingly, the variance in fruit tea is large . Like green tea, it can contain almost none, just too many for intermittent fasting, or a vast amount of hidden carbohydrates.

Therefore, as with food purchases, the basic rule is: read the label carefully and avoid any suspicious contents. The same applies to herbal tea, which tends to perform better because it does not commonly contain dried fruits.

If you want to be on the safe side, do not drink herbal or fruit tea during intermittent fasting.

What Is Intermittent Fasting

Intermittent Fasting is one of the most popular weight loss trends to date. Unlike a typical diet, intermittent fasting is about when you eat, instead of what you eat. This trend requires a set eating schedule and consistent fasting times to be truly effective.

An eating pattern rather than a conventional diet, the belief is that periods of fasting are more normal than eating 3 square meals per day because ancient hunter-gatherers would go through regular periods of scarcity due to an inability to find food.

There are a variety of fasting schedules and plans that have been designed to accelerate weight loss through metabolic switching.

Essentially, when your body is fasting, it uses stored body fat for energy. Levels of Human Growth Hormone increase up to 5 times their regular amount, which induces fat loss and muscle gain, and insulin levels drop to make stored fat more immediately accessible.

Hormone changes may also cause your metabolic rate to increase, leading to more calories burned.

Your cells also begin repair processes like autophagy, in which your cells digest old, unusable cellular protein build-up.

Prior to beginning an intermittent fasting schedule, approval should be given by your primary care provider. They can answer any questions you may have regarding intermittent fasting and how it will affect your personal physical health and mental wellness.

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Can I Drink Coffee On The 16 8 Diet

Yes, you can drink coffee on the 16 8 diet.

In this time-restricted fasting diet, you have a 16-hour window in which you cant consume food, but you should still take on fluids and hot drinks like coffee and tea are permitted.

While normal coffee should be fine, black coffee is best for any kind of fast as it contains fewer calories.

Health Benefits Of Coffee

Does Coffee Break A Fast? [Can You Drink Coffee While Intermittent Fasting?]

However, being a regular coffee drinker may decrease the risk of developing diabetes according to this study. The study tracked over 100,000 men and women across three different studies and found that people in the research studies the increased their daily coffee consumption by one cup a day actually decreased their risk of developing diabetes by about 11%. What was also surprising is that those people that their coffee consumption by one cup a day actually increased their risk of developing diabetes by about 17%.

So even if there is a slight acute increase in blood glucose or insulin levels from the caffeine in coffee, we dont see long-term negative impact on our health.

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Ketosis And Weight Loss

Since fasting is the most effective way to lower insulin levels, it is essential for weight loss. Accordingly, insulin is the crucial storage hormone in the human body.

Therefore, it is responsible for signaling cells to take up glucose from the bloodstream and store excess energy as fat or glycogen.

Furthermore, insulin blocks the enzyme that can break down body fat .

Accordingly, scientists can predict about 75% of possible weight gain and loss in overweight people by analyzing their insulin levels .

The 16-hours of fasting cut off the supply of nutrients, lower insulin levels, and thus end the bodys storage mode.

The body can then begin to break down the carbohydrate stores . Once the glycogen stores are empty, your body can start to burn stored fat for energy.

This fat burning process is called ketosis and, contrary to many myths, is an entirely natural mechanism that has ensured our species survival.

Nature has designed the body to build up fat reserves during abundance and tap into this body fat for energy when food is scarce.

Nowadays, instead of food shortages, we experience an endless summer and eat round the clock. Thus, we gain weight.

Therefore, intermittent fasting can help to restore the natural balance between feasting and fasting.

What You Can Drink During Intermittent Fasting

If you want to skip the details above: Here is the bottom line!

According to science, this is the list of what you can drink while intermittent fasting:

  • Water
  • Herbal tea
  • Diluted apple cider vinegar

What you can drink during intermittent fasting always depends on your goals. If your primary goal is weight loss, go with the list above.

If you aim at prolonged fasting for anti-aging and disease prevention, opinions of researchers and experts differ.

Although numerous animal studies suggest that coffee and green tea support autophagy, the truth is that we dont know for sure.

As there is no data on this in humans yet, many people restrict autophagy fasting too pure water fasting, where you may add only salt or mineral water if necessary.

However, green tea has activated autophagy in human cells, but these were previously implanted into mice .

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Coffee Sweetener Dos And Donts

If you must have a little sweetness in your coffee, choose wisely. Sweeteners will break your fast by triggering insulin secretion. Artificial sweeteners such as Stevia, Swerve, Aspartame, and Splenda wont break your fast, since they dont seem to have an effect on insulin secretion or blood glucose. But, you may wish to avoid them for other health reasons.

Cinnamon wont break your fast, and it may increase insulin sensitivity. You can also add a little unsweetened cocoa powder or ginger to your brew.

Watch out for hidden sweeteners if you get your coffee from a coffee shop. Soy, rice, and nut milk alternatives are typically sweetened.

Other Diets This Recipe Is Good For

Can You Drink Coffee While Fasting?
  • Gluten-Free: 100% gluten-free!
  • Nut-Free: Our keto coffee doesnt have any nut milk such as almond milk, making it completely nut-free.
  • Vegan or Dairy-Free: This bulletproof coffee recipe is NOT dairy-free, but if you need it to be we can fix that. Replace the butter with cocoa butter and replace the heavy cream with full-fat coconut milk.

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Coffee And Weight Loss

Coffee drinkers are maintaining their weight over the long term more efficiently .

The fact that coffee reduces appetite could be a good reason for this .

Also, coffee increases the metabolic rate. Hence, coffee is particularly beneficial for weight loss .

Therefore, the combination of coffee and intermittent fasting can help you to stay fasted longer and lose weight quicker.

Intermittent Fasting: Coffee With Creamer

Creamer and similar additives in powder form are highly processed. Therefore, these are absolute junk!

They are loaded with carbohydrates, proteins, and fat. Moreover, some creamers consist of up to 50% sugar.

Also, coffee with sugar-free creamer isnt an option. Besides too much protein and fat, you will find other artificial additives like sweeteners in it.

If you like your body, you should avoid these junk additives not only during fasting.

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What Not To Add To Coffee During Intermittent Fasting

In general, if youre trying to TRULY fast you shouldnt add ANYTHING to your black coffee while youre fasting. Because you dont want to increase calories! And even a cup of Bulletproof Coffee has around 400 calories. But like we said, some people use a form of fasting that actually INCLUDES a coffee with some calories in the morning to help control appetite and get through the day! And using something likeMCT oil in your coffee could definitely help control cravings for the rest of the day!But if youre trying to go for almost 0 calorie fasting, you should stay away from even MCT oil! Ultimately, its up to you to find out how to make intermittent fasting and black coffee work for you!

Caffeine On An Empty Stomach

Can i drink coffee while intermittent fasting?

If you drink coffee on an empty stomach, it can exacerbate issues if you have inflammatory bowel disease, irritable bowel syndrome, or gastroesophageal reflux disease. If youre dealing with any of these issues, you may want to be careful with your intake, or try a cold brew, which is generally less acidic.

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Some More Words About This Dietary Plan

Such adietary plan should decrease your calorie intake and subsequently helps to lose weight. In combination with regular training sessions can be an effective way to achieve your fitness goal. Moreover, intermittent fasting has a host of other health benefits. It can decrease the risk of diabetes, arthritis, asthma, Alzheimers disease, stroke, multiple sclerosis and even certain types of cancer. The only one thing you should keep in mind is that fasting is not for everyone. Some people may face headaches, insomnia, fatigue, nausea and other side effects . Thats why it is important to consult a healthcare professional before starting this nutrition plan.

There are no specific restrictions or recommendations concerning which foods to eat and which ones to avoid during your non-fasting days or hours. Its self-explanatory that in order to slim down faster, it is better to choose healthy meals, packed with vitamins instead of junk food and processed foods.

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Can I Drink Carbonated Water During Intermittent Fasting

When it comes to what you can drink during intermittent fasting, in my opinion, carbonated water is an outstanding choice.

On the one hand, it offers effects that excellently support intermittent fasting:

  • It curbs the appetite,
  • Helps with an upset stomach,
  • Or even with cramping.

On the other hand, superior carbonated water can bring more than 100 mg per liter of the essential electrolytes magnesium, sodium, and calcium into the body.

Therefore, carbonated mineral water is the best choice. But only if you have access to natural, highly mineralized brands.

Here in Austria, we are blessed with incredible natural springs. But depending on where you are located, you might have to check labels carefully.

Hence, access to high-quality mineral water can provide electrolytes, even during extended fasts. In this case, you dont need to fall back to bone broth to get them.

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What Should I Eat While Im Intermittent Fasting

Its important to note, during scheduled eating times, it is important that healthy, nutritious foods be consumed. Just because youre fasting doesnt mean that eating clean isn’t necessary!

As much as intermittent fasting is based around timing, your diet remains equally as important to lose weight. Intermittent fasting has been found to increase mindful consumption, meaning those who practice intermittent fasting are much more conscious about their eating habits. Meal planning is an effective way to stay on track during eating times.

But just because youre eating clean doesnt mean you have to sacrifice taste. Whether youre eating a green power smoothie or peanut butter protein smores, BioHealth Nutrition offers clean ingredients and nutrient-packed formulas without sacrificing texture or taste.

By following a consistent fasting plan and consuming nutritious foods during scheduled eating periods, you will begin to see the many health benefits of intermittent fasting.

Can You Drink Black Coffee When Fasting

Can you drink black coffee while fasting diet â Health Blog

Do you have to fast for an upcoming doctor’s appointment? Can you drink black coffee when fasting? Learn more about this topic below!

Black coffee

goals, are trying to follow a new diet, or have an upcoming wellness appointment, you may need to fast from time to time. If you are trying intermittent fasting, you may have questions about what you can and cannot drink.

For example, will a ? Is it going to kick you out of ketosis? How will this impact your blood pressure

Before you reach for that cup of joe, understand how it might impact your intermittent fast. Whether you can drink one or two cups of coffee depends on why you are fasting.

Take a look at some helpful information we have put together!

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Benefits Of Intermittent Fasting And Coffee

Most people try intermittent fasting as a form of dieting to lose weight. But studies have also a lot of other health benefits from intermittent fasting.

If youre looking to better improve your insulin sensitivity and blood sugar control then intermittent fasting might be right up your alley. Studies have found a decrease in insulin resistance and improvement in type II diabetes in those who are using intermittent fasting .

People are also using intermittent fasting to improve their brain health. Studies have found a decline in cognitive diseases such as Alzheimers from fasting . If youre intermittent fasting then youll also notice an increase in clarity and brainpower.

Intermittent fasting is also going to reduce inflammation in your body. Lowering inflammation your body will not only help to decrease long-term serious health problems such as heart disease but will also improve your physical appearance .

Last but not least intermittent fasting increases autophagy in your body . This is the destruction of cancerous cells. Your body does this as a way to clean out all the old dangerous cells and make way for new cells .

Coffee was also once thought to be very bad for you and I remember as a kid it was right up there with smoking cigarettes and drinking alcohol.

Your metabolic health will also get a boost as studies have found no evidence of heart disease that comes with drinking coffee .


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