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Benefits of Fasting for Health and Weight Loss

Fasting has been a part of many cultures and religions for centuries. For most of us, the thought of going for any significant period of time without food is an alien concept. We fear the ache of a hungry tummy and head for the fridge as soon as the rumbles begin.


However, there are many benefits that come with fasting, such as weight loss, blood sugar control, reduced inflammation, heart health and protection against disease. In this blog, we will explore the science behind fasting and its potential benefits for both health and weight loss.

What are the Different Types of Fasting?

Fasting is the practice of abstaining from food or drink for a specific period, and there are several different types of fasting. 

Intermittent fasting

This is perhaps the most popular type, which involves restricting food intake for a specific period, usually 16 to 24 hours, followed by a feeding window of 8 to 12 hours. This type of fasting is flexible and can be customised to fit individual needs and lifestyles.

Alternate-day fasting

Alternate-day fasting involves eating one day and then fasting the next day. This type of fasting can be challenging for some people, as it requires a significant reduction in calorie intake every other day. However, it has been shown to have significant benefits for weight loss and improving metabolic health.

Water fasting

This is another, more intense type of fasting, where one abstains from all food and drink except water for a specific period. This type of fasting is typically reserved for individuals who are already experienced in fasting and have no underlying health conditions. It can be helpful for cleansing the body and promoting autophagy, but it should be done with caution and under medical supervision.

Juice Fasting

Juice fasting is similar to water fasting, except you’re allowed to consume fresh fruit and vegetable juices in addition to water, while abstaining from solid foods for a specified period. It is a popular type of fasting for detoxification and weight loss. Juice fasting typically lasts between one to seven days, although some people may extend it to several weeks.


Extended fasting

 involves fasting for more than 24 hours, usually between 48 to 72 hours or more. This type of fasting can be challenging and should only be attempted by individuals who are experienced in fasting and have no underlying health conditions. Extended fasting can have significant benefits for weight loss, reducing inflammation, and promoting autophagy.

Health Benefits of Fasting

Fasting has been shown to have several potential health benefits. It has been associated with improved insulin sensitivity, reduced inflammation, and a boost in brain function. Fasting can also protect against chronic diseases such as heart disease, diabetes, and cancer. It triggers a cellular repair process known as autophagy, which can help remove damaged cells and improve overall health. 


Additionally, fasting has benefits for the digestive system, as it allows the gut to rest and reset, promoting healthy digestion. Furthermore, fasting may impact longevity positively, as studies have shown that it can improve markers of ageing and increase lifespan in animals. 

Fasting Benefits for Weight Loss 

Fasting has been shown to provide several potential weight loss benefits. Firstly, it can create a calorie deficit, which is necessary for weight loss. By restricting food intake for a specific period, fasting can lead to a reduction in overall calorie intake. 


Additionally, fasting can improve metabolic health by reducing insulin resistance, which can lead to more efficient fat burning. Studies have also shown that fasting can promote the release of human growth hormone (HGH), which can help preserve lean muscle mass and increase fat burning. Moreover, fasting can help reduce cravings for unhealthy foods, which can be a significant barrier to weight loss for many people. 

Final Thoughts on Health & Weight Loss Benefits of Fasting 

In conclusion, fasting is an old and well-established practice that comes in many forms, such as intermittent, alternate, water, juice and extended fasting. Each is unique, and you can easily find one that suits your lifestyle. 


When fasting is coupled with a nutritious diet and regular exercise, it can offer numerous benefits for your health and weight loss. As with all diets and workout plans, it’s important to note that fasting may not be suitable for everyone, and it is always recommended to speak to your doctor before embarking on major lifestyle changes.