×

What is Intermittent Fasting? Benefits, Diet Plans, and Expert Tips

April 7, 2025

What is Intermittent Fasting? Benefits, Diet Plans, and Expert Tips
Share the article

The Intermittent Fasting (IF) eating plan alternates between periods of fasting and eating regular meals. Research has shown that intermittent fasting can help you manage your weight and prevent some forms of the disease.

IF is one of the most popular health and fitness trends globally. People are using the diet to lose weight, improve their health and simplify their lifestyles. Many studies suggest that it can have a powerful effect on your body and brain and may even help you live longer.

How Does Intermittent Fasting Work?

There are several different ways to do intermittent fasting, including selecting regular eating and fasting periods. For example, you might try eating only eight hours each day and fasting for the remainder. Or you can choose to eat just one meal two days a week.

Intermittent fasting helps you keep your body burning through the calories you’ve eaten recently by prolonging the period during which your body uses those calories.

Methods of Fasting

There are several different ways to do intermittent fasting, all of which involve dividing the day or week into eating and fasting periods. You either consume very little food during fasting periods or don’t eat.

These are the most common methods:

  • The 16/8 Method: Leangains’ protocol involves skipping breakfast and limiting your daily eating period to 8 hours, such as 1-9 p.m. You fast for 16 hours in between.
  • Eat-Stop-Eat is a plan where you fast for 24 hours each week by not eating from dinner on one day until dinner on the next.
  • 5:2 Diet: With this method, you only consume 500-600 calories on two discrete days of the week but generally eat on the other five days.

By reducing your calorie intake, all of these methods should cause you to lose weight as long as you don’t compensate by eating more during eating periods.

Benefits

Here are some of the benefits of intermittent fasting:

  • Thinking and Memory: Studies have found that intermittent fasting can boost working and verbal memory in animals and adults. Heart health is a crucial concern for everyone. The intermittent fasting diet showed improvements in blood pressure, heart rate, and other measures related to heart health.
  • Physical Fitness is vital for overall health. For example, fasting for 16 hours resulted in fat loss while maintaining muscle mass. In addition, mice that were given alternating feedings showed better endurance.
  • Diabetes and obesity are two conditions that are linked together in many ways. They both involve a problem with the way the body uses glucose, and they both lead to increased risk for other health problems. In animal studies, intermittent fasting was found to prevent obesity. Six short studies found that obese adults can lose weight by intermittently fasting.
  • Tissue health is vital for overall well-being. For example, intermittent fasting may reduce tissue damage in surgery and improve results.

Is Intermittent Fasting Safe?

Some people try intermittent fasting to control their weight, while others use this method to treat chronic illnesses such as irritable bowel syndrome, high cholesterol, and arthritis. Some people find intermittent fasting helpful, but it isn’t for everyone. Some people may not be able to handle intermittent fasting because it can be difficult for younger people to adjust. People with diabetes or blood sugar problems need to be very careful about their diets and exercise. In addition, people who have a history of eating disorders may be more likely to develop an eating disorder again.

Side Effects

Hunger is the main side effect of intermittent fasting. You might feel weak or unable to think clearly. This may only be temporary, as it may take time to adjust to the new meal schedule. Consult your doctor before attempting an intermittent fast. This is especially important if you:

  • You have diabetes. You have problems regulating your blood sugar.
  • Take medications
  • History of eating disorders
  • Pregnancy can be a trying time for a woman trying to conceive. Various things can go wrong, and it can be a long and challenging process. For example, if a woman has a history of amenorrhea, she may have difficulty getting pregnant.

With that being said, intermittent fasting has a very safe profile. There is no need to be afraid of not eating if you are healthy and well-nourished.

What Should you be Careful About When it Comes to Intermittent Fasting?

There is no one-size-fits-all approach to intermittent fasting, so be sure to consult with a healthcare professional before starting. In addition, if you are underweight or have a history of eating disorders, you should not fast without consulting a health professional. In these cases, it can be harmful to do something.

Tips for a Successful Intermittent Fasting Journey

Embarking on intermittent fasting can be a powerful tool for health and well-being, but success often lies in the small details. Here are some original, practical tips to help you stay consistent and make the most of your fasting experience:

  • Ease into it gradually: Rather than diving into long fasts right away, start by shortening your eating window by an hour or two. Let your body adapt slowly to the new rhythm before attempting more extended fasts.
  • Prioritize quality sleep: Getting enough sleep is essential for balancing hormones and managing appetite. Getting enough restful sleep can make fasting easier by reducing cravings and improving energy levels.
  • Schedule meals around your lifestyle: Choose a fasting schedule that fits your daily routine and social commitments. Flexibility increases the likelihood that you’ll stick with it long-term.
  • Stay mentally engaged: Use fasting periods as a chance to focus on hobbies, personal growth, or work. Staying occupied helps reduce the mental focus on food and makes time pass more quickly.
  • Use your eating window wisely: Avoid breaking your fast with processed or sugar-laden foods. Instead, opt for meals that include lean proteins, healthy fats, fiber, and a variety of colorful vegetables to nourish your body.
  • Pay attention to how you feel: Your body’s signals are important. If you feel dizzy, overly fatigued, or irritable, it may be a sign to adjust your fasting window or dietary choices.
  • Don’t overcompensate during eating periods: It’s tempting to indulge after a fast, but try not to overeat. Focus on mindful eating: slow down, chew thoroughly, and listen to hunger and fullness cues.
  • Keep a fasting journal: Tracking your fasting hours, meals, energy levels, and mood can help you identify what works best for your body and where adjustments may be needed.

Frequently Asked Questions

1. How much weight can you lose in a month with intermittent fasting?

If you do the fast correctly and ensure it aligns with your mind, you can expect to lose 2 to 6 kilograms a month. You’ll also experience increased energy and brain function.

2. Is it okay to exercise on an empty stomach?

Yes, working out while fasting is generally safe. You might feel a bit more fatigued or less strong than usual, so go at a comfortable pace and pay attention to how your body feels.

Disclaimer: We recommend consulting a Doctor before taking any action based on the above shared information.


GET A FULL BODY CHECKUP NOW



Department

Internal Medicine

Internal Medicine