Are There Side Effects With Intermittent Fasting? - Better Health Solutions

Are There Side Effects With Intermittent Fasting?

Are There Side Effects With Intermittent Fasting?

Despite the weight loss and other great benefits of intermittent fasting it is possible that you can experience some side effects from it. Some people might not experience any side effects at all but you need to know that there is a possibility.

We believe in the benefits of intermittent fasting but we also want to be completely honest with you. You are going to be making a pretty radical change to your lifestyle so you need to be prepared for some side effects. The side effects that we will discuss may not last very long and some are more serious than others.

Grumpiness due to Hunger

How do you feel when you are hungry? Do you have a tendency to be irritable and grumpy? If this is the case then you may well experience this side effect when you start with intermittent fasting. You should be able to overcome this with time.

Excessive Fatigue and Brain Fog

Some people that participate with intermittent fasting report that they feel a lot more tired and fatigued than usual. In time, intermittent fasting should provide you with more energy. But in the beginning you could feel overly fatigued.

Another common side effect of intermittent fasting is brain fog. Things just don’t seem to be as clear as usual especially during fasting windows. Intermittent fasting can really benefit your brain and any brain fog should be temporary.

Obsessing about Eating

Because intermittent fasting is all about focusing on not eating this can lead to obsessing about what you can and cannot eat. If you have been on other diets and experienced this then you may well experience it again with intermittent fasting.

This is should not be a major side effect for most people and you can stop obsessing about food by doing some mindfulness meditation. Obviously if this really becomes a problem for you then you should stop intermittent fasting.

Low Blood Sugar Problems

This is where intermittent fasting can become dangerous for certain individuals. If your blood sugar levels become too low then this can lead to serious health problems. At a minimum level you can experience dizziness, nausea and headaches. Stop your intermittent fasting and seek medical advice if this becomes a real problem for you.

Disturbing your Sleep

There are some cases where intermittent fasting can cause disturbance to existing sleep patterns. Sleep is very important and if this is a question of just adjusting to the intermittent fasting then it should not be a problem. But if you cannot get the right amount of sleep when intermittent fasting then you need to stop and get advice.

Fast Weight Loss Menstrual Problems

Because intermittent fasting can provide rapid weight loss results it can also cause women problems with their menstrual cycles. This could be a temporary problem that just requires some time for adjustment. But if it persists then we recommend that you stop intermittent fasting and seek medical advice.


Unfortunately, constipation is a fairly common side effect with intermittent fasting. This can be due to your body lacking in certain fluids, protein, fiber or vitamins. It is really important that you play close attention to your diet with intermittent fasting.

Remember that you are unlikely to suffer from all of these side effects and maybe none of them at all. Just be careful and check that none of them turn into serious problems.

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