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Fasting Guide

How to Start Intermittent Fasting: A Beginner's Guide

Shubhangi Dubey
March 17th, 2025
65
12 Mins

Intermittent fasting is touted as a healthcare trend where people focus on when rather than what to eat.

This method is an eating pattern, not a diet, that is an effective and flexible approach to lose weight.

This guide will tell you everything you need to know about intermittent fasting, popular fasting, methods, and its health benefits to prepare you for this effective weight loss tool.

What is Intermittent Fasting?

Intermittent fasting is a popular form of diet, an eating pattern that alternates between periods of eating and fasting.

Intermittent fasting prescribes the eating time and hours of fasting. This pattern helps people keep track of calories.

When someone is fasting, you only eat during a specified period and limit eating during the fasting hours.

Research has shown that intermittent fasting is safe and helps people with type 2 diabetes lose more weight than people who simply reduce their calorie intake.

With intermittent fasting, you only eat at specific times which may seem hard for certain people. But human bodies have evolved to be able to go without food for many hours, or even several days.

Is Intermittent Fasting effective?

Intermittent fasting can be an effective weight-loss strategy, especially for those who are struggling to limit their calorie intake.

By creating restricted windows where eating and fasting have particular timings, an effective calorie deficit can be achieved without counting your calories.

Fasting also induces human growth hormone (HGH) which supports fat loss while preserving muscle mass.

This eating pattern allows the body to enter a state where it can utilize the stored fat for energy once the immediate sugar reserves are exhausted.

    Read More: These 5 Delicious Teas can help your weight loss journey!

How to do Intermittent Fasting:

There are several popular ways to do intermittent fasting, varying from how much you can eat and fast. They are:

  • 16/8 Method: This type of intermittent fasting involves fasting for 16 hours and eating during the 8-hour window. For instance, you might eat from noon to 8 pm.
  • 5:2 Diet: In this approach, you eat normally for five days of the week and restrict calorie intake to about 500-600 calories on two non-consecutive days.
  • Alternate-Day Fasting: This method alternates between days of regular eating and days where you either fast completely or consume a very limited number of calories (around 400-500 calories).
  • One Meal A Day: This method involves a full 20 hours of fasting and consuming one large meal in the 4-hour eating window.
  • Eat-Stop-Eat: This method involves a full 24-hour fast once or twice a week. For instance, you start fasting from today's dinner till the next day's dinner.

Health Benefits of Intermittent Fasting

Intermittent fasting is associated with numerous health benefits:

  • Weight Loss: In this approach, you eat normally for five days of the week and restrict calorie intake to about 500-600 calories on two non-consecutive days.
  • Improved Metabolic Health: Intermittent fasting can enhance your insulin sensitivity, reduce blood sugar levels, and lower your cholesterol labels - contributing to better heart health and reducing your risk of cardiovascular diseases.
  • Cellular Repair and Autophagy: During fasting, the liver cleanses the system by initiating autophagy, a process where damaged cells are recycled and detoxified, triggered by hormonal signals from the brain.

Tips for effective Intermittent Fasting:

  1. Eating in Limits during the Eating Window:

    After a long fast, diving into large amounts of food and eating extra calories is common.

    But eating more will make the fasting less effective. Over-eating can leave you sluggish instead of being energized.

    Instead of eating a big plate of roti or rice, try including yogurt with fruits, nuts, paneer, or eggs that will be softer on your stomach. You won’t need to snack after these foods.

  2. Include Enough Protein:

    Protein is an essential building block. It is crucial for building and repairing tissues, supporting a healthy immune system, and providing energy throughout the day.

    When you fast, you need sustained energy to fast for longer hours, not feel energy loss, and avoid eating impulsively.

    If you feel hungry soon after eating, your protein intake may be low. Include protein in every meal to control cravings soon after eating.

    Try these high-protein Indian recipes for a healthier you.

  3. Managing Stress:

    Sometimes, fasting requires mental strength to remain hungry for a longer time.

    Doctors have explained that our body produces a hormone called cortisol during stress and hunger, making you crave sugar for quick energy.

    Whenever you feel hungry and crave sugar, it might be stress-induced. Short changes like taking a short walk or five deep breaths can help.

  4. Getting Enough Sleep:

    Poor sleeping schedule strips your energy away and makes fasting harder.

    When you don’t sleep enough, your cortisol levels can rise and make you crave sugar foods.

    Try getting enough sleep to help regulate appetite and support healthier food choices in the eating window. These Yoga poses can help.

  5. Abundant Hydration:

    Drinking enough water can help curb your appetite, as the brain often confuses thirst for hunger, reducing unnecessary snacking during fasting periods.

    You should also consume water before meals to promote fullness which may help you intake fewer calories.

    Although water needs vary based on body proportions, an average adult needs at least 3.5 liters of water daily.

Who should avoid Intermittent fasting?

Intermittent fasting is not suitable for everyone. Here are some conditions when intermittent fasting should be avoided.

  • Individuals with Eating Disorders: Some people have eating disorders while others may not have enough diversity in their gut, such people should avoid intermittent fasting as fasting can worsen the condition.
  • Pregnant or Breastfeeding Women: Pregnant or breastfeeding women require consultant nutrition for both their health and the health of the child. Fasting can hamper thier nutrition intake and harm their health.
  • People with Diabetes: Individuals with diabetes, especially those with imbalanced insulin levels experience dangerous fluctuations in their blood sugar during fasting. Avoid intermittent fasting if you have an imbalanced blood sugar or diabetes.
  • People with Chronic Health Conditions: Cancer patients or people who suffer from chronic illnesses such as heart disease should consult a healthcare professional before starting intermittent fasting as it may worsen the disease.
  • Individuals on Medications: Some medications require constant food intake and fasting can cause dizziness or fatigue. Many high-doze medications may not function properly if not paired with proper nutrition.
  • High-stress Individuals: People with significant stress may find that fasting exacerbates feelings of fatigue and irritability, which can impact overall well-being.

Consult a healthcare professional before starting intermittent fasting or many any drastic changes to your diet.

Conclusion

Intermittent fasting is a great way to lose weight and improve your health.

Apart from weight, IF can also help you improve fat burning, increase metabolism, reduce cardiovascular risk, and enhance overall health.

By thoroughly understanding this guide, individuals can find a plan that suits their lifestyle and get benefits that go a long way.

However, this is not healthcare professional advice and serves as an information tool.


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