Does Intermittent Fasting Increase Height?

Intermittent fasting, a dietary approach that involves cycling between periods of eating and fasting, has gained popularity for its potential health benefits, including weight loss, improved metabolic health, and reduced risk of chronic diseases. While the advantages of this eating pattern are well-documented, a peculiar question arises: can intermittent fasting affect a person’s height?

This investigation explores the rarely discussed relationship between intermittent fasting and physical development, specifically its impact on height. By delving into scientific research and exploring the interplay between diet, health, and human physiology, we aim to uncover the potential implications of this dietary strategy on one’s stature.

What is Intermittent Fasting?

Intermittent fasting is a dietary strategy that involves alternating periods of eating and fasting. It focuses on when you eat rather than what you eat. During the fasting periods, you either consume very few or no calories at all.

With today’s sedentary lifestyles and habits like late-night binge-watching and gaming, many people consume excess calories without burning them off through physical activity. This can lead to obesity, type 2 diabetes, heart disease, and other health issues.

Intermittent fasting aims to counteract these problems by triggering the body’s fat-burning mechanisms. By following a structured eating pattern, such as fasting for a set time each day or eating only one meal on certain days of the week, individuals can effectively manage their calorie intake and promote weight loss or maintenance.

The key advantage of intermittent fasting is that it allows for flexibility in food choices during the eating periods, making it a sustainable approach for many people.


How does intermittent fasting work?

Intermittent fasting works by creating extended periods when your body has no new calorie intake. During these fasting windows, your body depletes its glycogen (stored carb) reserves and shifts into a fat-burning state called ketosis.

One popular method is the 16:8 approach, where you fast for 16 hours each day and have an 8-hour eating window. Another is eating only 1-2 meals on fasting days, alternating with regular eating the other days.

By alternating between fasting and eating periods, intermittent fasting allows your body to burn through glycogen stores and then tap into fat reserves for energy. This metabolic shift not only promotes weight loss but may also provide other health benefits like improved insulin sensitivity and cellular repair.

The key mechanisms are the depletion of glycogen during the fasts, and the body being forced to burn fat for fuel during the extended periods without food intake. This flipping of metabolic switches drives many of intermittent fasting’s effects

Intermittent fasting benefits

According to science, intermittent fasting offers the following benefits:

  • Increase thinking ability and memory: According to studies, intermittent fasting improves verbal memory and working memory in adults. [1]
  • Improve heart health. Intermittent fasting improved all heart-related metrics, including blood pressure, resting heart rates, and others. [2]
  • Enhance physical performance. Intermittent fasting has also been shown to help reduce fat while maintaining muscle mass, which makes a person feel more energized and active. [3]
  • Type 2 diabetes and obesity. Adults with types 2 diabetes and obesity can lose pounds quickly by intermittent fasting. Intermittent fasting has been demonstrated to decrease insulin resistance, fasting glucose, fasting insulin, and fasting leptin levels, while increasing adiponectin levels and lowering body weight. Some people practicing intermittent fasting under their doctors’ guidance were able to quit using insulin prescriptions, according to some research. [4]
  • Tissue health. Fasting before surgery also lowers tissue bruising, and inflammation and enhances the success of operations. [5]


Can Intermittent Fasting Affect Height Growth?

Intermittent fasting can potentially affect height growth for those who are still growing. However, once puberty is complete, its ability to impact height becomes limited. Consulting a medical professional can help determine if you have reached your maximum height.

Research has shown a link between intermittent fasting and increased levels of human growth hormone (HGH). This is because fasting triggers fat metabolism, and higher levels of body fat are inversely correlated with HGH levels. Some studies have found a significant increase in HGH levels after several days of fasting, suggesting intermittent fasting may boost growth potential during the growing years.

However, the evidence regarding the relationship between intermittent fasting and height gain is still inconclusive. The primary benefits of intermittent fasting are usually related to weight management and fat reduction.

While intermittent fasting may have an effect on height growth during your growing years, its main impact is on weight control and fat reduction. For personalized guidance, it’s best to consult a healthcare professional.

Side effects of intermittent fasting


Digestive Disorders and Challenges During Intermittent Fasting

When starting intermittent fasting, many people experience digestive problems due to two main factors:

  1. Electrolyte imbalance and dehydration: During fasting periods, the body excretes more water and electrolytes, leading to digestive discomfort. This effect is more pronounced with longer fasting windows like OMAD or 20-hour fasts.
  2. Dietary changes: Intermittent fasting is often combined with significant dietary shifts, such as keto or carnivore diets. This requires an adjustment period for the body’s digestive enzymes to adapt.

Digestive issues like bloating, constipation, or diarrhea are common side effects as the body adapts to these changes. Staying hydrated, replenishing electrolytes, and gradually transitioning to new eating patterns can help minimize discomfort. If problems persist, consulting a healthcare professional may provide personalized guidance

Mood Fluctuations and Irritability

Disrupting the body’s usual intake of sugar can cause withdrawal symptoms, including irritability, anxiety, and difficulty concentrating. A study involving 52 women found that they experienced increased irritability during 18 hours of fasting. Interestingly, their feelings of anger tended to peak after the fasting period, but they also reported a sense of accomplishment, self-control and self-pride.

It should be noted that emotional responses to intermittent fasting can vary between individuals and may be influenced by factors such as personal tolerance, mindset, and overall adaptation to this eating pattern. It is important to remain attentive to your body and monitor changes in mood or well-being during the fasting period. Implementing self-care practices, maintaining a balanced diet at meal times, and seeking support from a health professional or fasting expert can help reduce the potential negative emotional impact of intermittent fasting.


Another potential adverse effect that often accompanies the switch from a high-carbohydrate diet to intermittent fasting is fatigue.

Research has shown that fatigue can occur when a person does not consume an adequate number of calories or follows a high-carbohydrate diet without consuming enough foods containing high-quality fats.

In summary,

Intermittent fasting offers a variety of potential benefits, including increased focus and effective weight management, which can be beneficial for optimizing height growth and improving overall well-being. However, it is important to know that even when done correctly, intermittent fasting may have certain adverse consequences and may not be suitable for everyone. To achieve optimal results and access personalized guidance, it is recommended to seek advice from a healthcare specialist or nutritional authority who can explore alternative approaches to height increase and weight control in a safer and more tailored way.

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