How to Speed Up Metabolism After Intermittent Fasting Ruined It (Reddit)

Intermittent Fasting Ruined My Metabolism Reddit: How to Speed it Back Up

Are you worried that your intermittent fasting habits have ruined your metabolism? Many people find themselves in the same situation, and it can be disheartening to think that you’ve caused an irreversible change to your body’s ability to process food. But don’t despair – although it’s possible to ruin your metabolism with irresponsible intermittent fasting, there are also ways to speed it back up.

What is Intermittent Fasting?

Intermittent fasting is an eating plan that involves alternating periods of fasting with periods of eating. It’s a popular diet trend, and supporters of intermittent fasting claim that it can help you to lose weight, boost your energy levels and improve your overall health. There are various different types of intermittent fasting, but the most common is the 16:8 diet, which involves fasting for 16 hours and then eating during an 8-hour window.

Can Intermittent Fasting Ruin Your Metabolism?

Intermittent fasting can have a range of health benefits, but it can also cause problems if it’s done incorrectly. For example, if you’re eating too few calories during your eating window and/or fasting for too long, it can cause your metabolism to slow down. This can lead to weight gain and other health problems. It’s important to note that it’s possible to ruin your metabolism permanently, but it’s also possible to speed it back up with the right approach.

What Causes a Slow Metabolism?

When you eat in too much of a calorie deficit or fast for too long, your body starts to produce cortisol, which can slow down your metabolism. Cortisol is a stress hormone, so it’s not surprising that it can have a negative effect on your metabolism. Other factors that can cause your metabolism to slow down include lack of sleep, stress, nutritional deficiencies, and lack of exercise.

How to Speed Up Your Metabolism After Intermittent Fasting

If you’ve been doing intermittent fasting and you think that it has slowed down your metabolism, there are a few things that you can do to speed it back up. Firstly, it’s important to make sure that you’re getting enough calories during your eating window. Aim for a caloric intake that will provide you with enough energy to fuel your day-to-day activities, but not so much that you’re over-eating. Secondly, make sure that you’re getting plenty of sleep, reducing stress levels and exercising regularly.

It’s also important to be aware of the dangers of dirty fasting. Dirty fasting involves consuming low-calorie drinks, such as NUUN (stevia) electrolytes, during your fasting window. This can be dangerous as it can lead to a dangerously low calorie intake, which can slow down your metabolism. If you’re doing intermittent fasting, it’s best to stick to water and herbal teas.

The Benefits of Intermittent Fasting

Intermittent fasting can be an effective weight loss tool, and it can also help to improve your overall health. Studies have shown that intermittent fasting can reduce hunger and cravings, improve cognitive function and reduce inflammation. It can also help to reduce insulin resistance, which can lead to improved metabolic health.

However, it’s important to remember that intermittent fasting isn’t a magic bullet. You still need to ensure that you’re getting enough nutrients and calories, and you should make sure that you take into account your individual needs. If you’re worried that intermittent fasting has ruined your metabolism, it’s important to talk to a doctor or a dietitian to get professional advice.


Although it’s possible to ruin your metabolism with irresponsible intermittent fasting habits, it’s also possible to speed your metabolism back up. Make sure that you’re eating enough during your eating window, getting enough sleep and reducing stress levels. It’s also important to avoid dirty fasting, as this can lead to nutrient deficiencies and slow down your metabolism. If you’re worried that you’ve ruined your metabolism, it’s important to speak to a doctor or dietitian to get professional advice.

Is it possible to disrupt your metabolic rate by utilizing intermittent fasting?

Studies have found that intermittent fasting appears to have similar or even less detrimental effects on metabolism than regular dieting. This is believed to be because intermittent fasting results in less loss of lean body mass and an increased capacity to burn fat.

What steps can I take to get my metabolism back on track after intermittent fasting?

Consume a large amount of protein daily, making up 25-30 percent of your caloric intake. Aim to get 8 hours of quality sleep every night. Incorporate probiotic-rich foods or take a probiotic supplement. Take time each day to meditate and reduce stress.

What is the required duration of fasting to reset one’s metabolism?

When we fast for 8-12 hours, our body switches its main source of energy from glucose to molecules called ketones, which are created from fatty acids. This process is known to those familiar with the ketogenic diet.

What are the cons of intermittent fasting?

Fasting can result in heightened levels of the stress hormone cortisol, which can trigger increased food cravings and lead to episodes of overeating or binge eating. Additionally, intermittent fasting may cause dehydration, as people may forget to drink due to not eating.

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