Is Feeling Cold In Intermittent Fasting Normal?

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Are you feeling cold while on intermittent fasting? Let me explain why and show you how you can get warmer naturally and healthily.

RELATED: Why Keto and Intermittent Fasting Really Works

In this article:

  1. The Reason Why You Feel Cold
  2. You’re Still Burning Fat Despite Feeling Cold
  3. How to Lessen the Intensity of Coldness
  4. Other Effects of Intermittent Fasting You Might Experience

Why Feeling Cold on Intermittent Fasting Occurs

The Reason Why You Feel Cold

Woman holding thermometer in hands | Is Feeling Cold in Intermittent Fasting Normal

I had a question from someone who was curious about why they are so cold when they do intermittent fasting. When you do intermittent fasting, especially in the beginning, or fasting in general, your core temperature decreases, not just feeling cold fingertips and toes or hands and feet. If you check your temperature, it is lower, and that’s part of the adaptation process of not eating.

You’re Still Burning Fat Despite Feeling Cold

There’s nothing to worry about feeling cold when fasting. You’re still going to burn fat. People have this idea that they have to heat the body up to burn fat like it’s actually burning. It’s not. You can even take a cold shower and burn more fat and calories. So, it’s not about the heat.

How to Lessen the Intensity of Coldness

Nutritional Yeast Tablets | Is Feeling Cold in Intermittent Fasting Normal

If you want to lessen the intensity of the coldness, you can take vitamin B1. I take nutritional yeast; you can get it in a natural form, and that helps you make this transition because, over time, the temperature improves as your body adapts better. But, the point is, the cold sensation is a normal response. It’s not something abnormal and it’s not affecting your thyroid function. You’re still going to burn fat even when you’re feeling cold. You just might have to adjust it to a little warmer.

Other Effects of Intermittent Fasting You Might Experience

1. Overeating

People doing intermittent fasting may tend to overeat at the beginning of the diet plan. They might think calories don’t matter, but it really does. That’s why it’s recommended to follow a keto diet while doing intermittent fasting for more effective weight loss.

You may also feel extremely hungry right after your fasting ends, which makes you eat a lot on your first meal of the day. You only need to be mindful about what you eat. Planning your meals ahead of time can help keep your diet on the right track.

2. Heartburn or Constipation

Young woman sitting on the bed with hard stomach pain | Is Feeling Cold in Intermittent Fasting Normal

Your digestive tract creates acid to aid in digestion, so when you don’t eat anything, you may feel the symptoms of heartburn. The condition can range from mild discomfort to frequent burping. You only need to drink plenty of water while fasting to manage this side effect.

Constipation is also another effect of intermittent fasting if you don’t drink enough water. This is the reason why staying hydrated is important when fasting. Like preventing heartburn, water is key to avoid this issue.

RELATED: Why People Really Fail with Intermittent Fasting

3. Irritability

When you feel really hungry and want to grab foods you like eating but should not do it, this can lead to irritability. You might feel cranky when your blood sugar goes down or when you’re dealing with the other effects like feeling cold or overeating. To lessen this feeling, you might want to avoid people or situations that can trigger irritability. You can focus on doing things that make you feel relaxed and happy.

4. Low Energy Levels

In the first few weeks of intermittent fasting, your energy levels may go down because you are no longer getting the constant fuel source you were used to when you were not fasting. You can make changes in your daily routine to accommodate activities that do not require a lot of energy. Adjust your exercise, too, like switching to a lighter one or taking breaks when necessary to avoid fatigue. Getting more sleep within the day may also help you fight the sluggish feeling.

5. Headache

Male athlete suffering a headache or dizziness | Is Feeling Cold in Intermittent Fasting Normal

As you adjust to the fasting and eating periods of intermittent fasting, you might feel dull headaches that come and go, which are common. This can be a result of dehydration so you might want to drink a lot of water to fight this feeling. Drink more water when fasting and during your eating window.

6. Cravings

Because you’ll be fasting for long periods, the chances of craving for food also increases as you’ll want to eat during these times. You might find yourself craving for sweets and refined carbs as well because your body is naturally looking for glucose. Instead of thinking about sweets and refined carbs, try to keep yourself busy to divert your attention to something else. Or better yet, make your own ketogenic desserts you can satisfy those cravings without the guilt!

7. Hunger

When you’re used to eating five or six times a day, your body expects to get food at certain times. Ghrelin makes you feel hungry, and it peaks during dinner, lunch, and breakfast. In the first few weeks of intermittent fasting, this proves to be a challenge for you.

What is ghrelin? This is also known as the “hunger hormone.” This hormone is mainly produced and released by the stomach which is known to make you increase food intake and stimulate appetite.

What you can do is drink plenty of water to fight hunger and keep you hydrated at the same time. Upon waking up, drink at least 12 ounces of water. If you feel hungry but not yet within your eating window, drink another 12 ounces of water. This teaches your body to be contented with water when hungry while on intermittent fasting. Do this until your body can fully adjust to the fasting and eating schedule.

Now you know why feeling cold occurs and how to reverse it naturally and healthily, you worry less and understand how your body reacts and adjusts to intermittent fasting. Remember to drink plenty of water as this helps you push through the hunger pangs and eventually, lead to a successful weight loss journey.

Are you experiencing intermittent fasting effects like feeling cold? How do you deal with it? Share your experience in the comments section below.

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Disclaimer: Our educational content is not meant or intended for medical advice or treatment.

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