How Intermittent Fasting Affects Your Jawline

Written by Andrew Brewer. ⚕️Reviewed and fact checked by our medical team.

how intermittent fasting affect jawline

A chiseled jawline is impressive, and many men are trying to find ways to get that perfectly chiseled jawline that is a stereotype of handsome men.

Will intermittent fasting enhance your jawline? Yes, intermittent fasting can help define your jawline in the same way it defines every other part of your body.

Thousands of people are using intermittent fasting apps to lose weight and improve their health. Intermittent fasting isn’t a diet. It’s a method that restricts when you eat, not what you eat.

Scientists are just beginning to study how big of an impact intermittent fasting can have on your health. People who are using intermittent fasting are finding out that it can affect their body in some unforeseen ways.

Key Takeaways

  • Intermittent fasting can help define your jawline, in addition to burning fat and promoting autophagy.
  • Autophagy is the process by which your body breaks down and recycles damaged cells, and it can be stimulated by fasting and exercise.
  • Autophagy can have health benefits, such as helping to counteract sagging skin, but excessive autophagy can also be harmful.
  • Genetics, bone structure, facial muscles, and overall body composition also play a significant role in the appearance of the jawline.
  • It’s important to approach intermittent fasting with caution and prioritize overall health and well-being over appearance. Consult with a healthcare professional before starting any new diet or exercise plan.

Intermittent Fasting Works By Burning Fat

There are several health benefits to intermittent fasting. The primary benefit that will help you achieve that ridiculously perfect jawline for men is that intermittent fasting facilitates your body burning fat.

Your body will start to burn fat during intermittent fasting when it goes into ketosis, which can happen after 16 hours in some cases.

You might not realize how much fat is on your neck and chin, keeping your natural jawline from showing. After a few months of intermittent fasting, you’ll be surprised at how the shape of your face changes.

Intermittent Fasting and Autophagy

You might not have heard of autophagy before, but it will help you achieve that chiseled jawline.

The literal translation of autophagy is “self-eating.” Autophagy is essential to why intermittent fasting can help your skin tighten after losing weight.

Autophagy can help people look younger and reverse the effects of aging. Your skin will look more youthful and vibrant. If you lose a lot of weight quickly, sagging skin can make you look older and keep you from having a chiseled jawline. Autophagy counteracts sagging skin.

Signs of Autophagy

In some people, autophagy begins after 16 hours of fasting. Other people will need closer to 18 hours, and most of the benefits of autophagy won’t be seen until you have fasted for 24-48 hours.

A combination of fasting and exercise can promote autophagy and help you reap the biggest rewards. Exercise, particularly strenuous exercise, helps stimulate the autophagy process. Keto diets, which are high-fat, low-carb diets, also help promote autophagy.

You can’t feel autophagy, but there are unmistakable signs of autophagy. Your body will have normalized levels of blood sugar and insulin, and you will see a reduction in your appetite. You will also have increased ketone levels, which you can test with special strips or equipment.

You can also experience unpleasant symptoms like bad breath and fatigue. Fatigue is often associated with autophagy during fasting due to the metabolic changes in your blood sugar levels.

Risks of Autophagy

Like anything else, you can take autophagy too far, and there are risks associated with excessive autophagy.

Some studies have shown that prolonged autophagy can kill heart cells and cause heart problems. Autophagy can also inhibit some types of cancer treatment.

More studies need to be done on the role of autophagy in the health of humans. Even though there are many health benefits, you should consult with your doctor if you’re on a fasting plan to promote autophagy.

Start Fasting Right Away

Intermitting fasting isn’t recommended if you’re under 18, pregnant, or nursing. Always consult your doctor before you start an intermittent fasting plan, especially if you have pre-existing health problems.

There’s no reason to delay your fasting experience. You can start today by downloading a fasting app to track your eating and fasting windows. You should start small and be sure to stay hydrated, but you can learn a lot more about intermittent fasting as you go.


  • Can intermittent fasting help improve your jawline?

Some evidence suggests that intermittent fasting can help reduce facial fat, which can improve the appearance of the jawline.

  • How does intermittent fasting reduce facial fat?

Intermittent fasting promotes the body’s natural fat-burning processes, which can help reduce overall body fat, including facial fat.

  • What is the best type of intermittent fasting for improving your jawline?

There is no one-size-fits-all approach to intermittent fasting, but some popular methods include the 16/8, the 5:2 method, and alternate-day fasting.

  • What other factors can help improve the appearance of the jawline?

In addition to intermittent fasting, other factors that can help improve the appearance of the jawline include regular exercise, a healthy diet, hydration, and facial exercises.

Andrew Brewer

Andrew Brewer

Andrew Brewer started to give people the guidance that he never received when he was first starting. His goal is to make your goals achievable and to offer you only the best fasting apps that the internet has to offer. You're not on your own - Andrew and the entire family of reviewers at are here with you every step of the way!