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16:8 Fasting Results for Weight Loss in One Week

know what, how and which type of results can be expected from the 16:8 results. Learn about the tips for successful fasting.

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Written by Dr. J T Hema Pratima

Reviewed by Dr. Mohammed Kamran MBBS, FIDM

Last updated on 31st Jul, 2025

Introduction 

If you're looking for a simple and effective way to lose weight, 16:8 fasting might be the answer. This method has gained popularity because it’s easy to follow and can show noticeable results in just one week. But how does it work? What can you expect? And is it safe? Let’s break it down in simple terms.

What is 16:8 Fasting?

The 16:8 fasting method involves eating all your meals within an 8-hour window and fasting for the remaining 16 hours of the day. For example:

  • Eating window: 12 PM to 8 PM

  • Fasting window: 8 PM to 12 PM (next day)

  • During the fasting period, you can drink water, herbal tea, or black coffee (without sugar or milk).

How Does 16:8 Fasting Help with Weight Loss?

1. Burns Fat for Energy – When you fast, your body uses stored fat for fuel instead of glucose from food.

2. Reduces Calorie Intake – A shorter eating window naturally leads to fewer calories consumed.

3. Improves Insulin Sensitivity – Fasting helps regulate blood sugar, reducing fat storage.

4. Boosts Metabolism – Some studies suggest fasting may increase fat-burning hormones.

Consult a Top general practitioner for the best advice

Dr. Tanmaya Kumar Sahu, General Physician/ Internal Medicine Specialist

Dr. Tanmaya Kumar Sahu

General Physician/ Internal Medicine Specialist

12 Years • MBBS, MD ( Internal Medicine )

Bhubaneswar

Apollo Hospitals Old Sainik School Road, Bhubaneswar

800

800

Dr. Bulbul Biswas, General Practitioner

Dr. Bulbul Biswas

General Practitioner

35 Years • MBBS, Diploma in Maternity and child welfare

Kolkata

HERSTEL CARE CLINIC, Kolkata

750

600

What Results Can You Expect in One Week?

While individual results vary, many people notice:

  •  1-3 kg (2-6 lbs) weight loss

  •  Reduced bloating due to better digestion.

  • Increased energy levels after initial adjustment.

  • Better appetite control with fewer cravings. 

However, the first few days may feel challenging as your body adjusts.

Tips for Success with 16:8 Fasting

  •  Stay Hydrated – Drink plenty of water, herbal teas, or black coffee.

  •  Eat Nutrient-Dense Foods – Focus on proteins, healthy fats, and fibre (e.g., eggs, nuts, vegetables).

  •  Avoid Sugary & Processed Foods – They can spike hunger and cravings.

  •  Start Gradually – If 16 hours feels tough, begin with 12-14 hours and increase slowly.

  •  Listen to Your Body – If you feel dizzy or weak, break the fast with a light meal.

Who Should Avoid 16:8 Fasting?

While safe for most, fasting may not be suitable for:

  •  Pregnant or breastfeeding women

  •  People with diabetes (consult a doctor first)

  •  Those with a history of eating disorders

  •  Individuals with low blood pressure or nutrient deficiencies

When to See a Doctor?

If you experience:

  •  Extreme fatigue

  •  Dizziness or fainting

  •  Severe headaches

  •  Irregular heartbeat

It’s best to consult a doctor before continuing.

Final Thoughts

16:8 fasting is a simple and effective way to kickstart weight loss in just one week. Combined with healthy eating and hydration, it can help you shed extra pounds while improving energy levels.

Consult a Top general practitioner for the best advice

Dr. Tanmaya Kumar Sahu, General Physician/ Internal Medicine Specialist

Dr. Tanmaya Kumar Sahu

General Physician/ Internal Medicine Specialist

12 Years • MBBS, MD ( Internal Medicine )

Bhubaneswar

Apollo Hospitals Old Sainik School Road, Bhubaneswar

800

800

Dr. Bulbul Biswas, General Practitioner

Dr. Bulbul Biswas

General Practitioner

35 Years • MBBS, Diploma in Maternity and child welfare

Kolkata

HERSTEL CARE CLINIC, Kolkata

750

600

Consult a Top general practitioner for the best advice

Dr. Gaddam Manoj, General Practitioner

Dr. Gaddam Manoj

General Practitioner

1 Years • MBBS

Hyderabad

Aaradhya clinic, Hyderabad

125

Dr. Suvadeep Sen, Critical Care Specialist

Dr. Suvadeep Sen

Critical Care Specialist

12 Years • MBBS, MD, FNB (CRITICAL CARE MEDICINE), EDIC

Mumbai

Apollo Hospitals CBD Belapur, Mumbai

2300

2300

Dr. Tanmaya Kumar Sahu, General Physician/ Internal Medicine Specialist

Dr. Tanmaya Kumar Sahu

General Physician/ Internal Medicine Specialist

12 Years • MBBS, MD ( Internal Medicine )

Bhubaneswar

Apollo Hospitals Old Sainik School Road, Bhubaneswar

800

800

Dr. Vandana Malik, General Practitioner

Dr. Vandana Malik

General Practitioner

8 Years • MBBS, FAM

Noida

Skinlogics Clinic, Noida

1250

1000

Dr. Bulbul Biswas, General Practitioner

Dr. Bulbul Biswas

General Practitioner

35 Years • MBBS, Diploma in Maternity and child welfare

Kolkata

HERSTEL CARE CLINIC, Kolkata

750

600

Consult a Top general practitioner for the best advice

Dr. Gaddam Manoj, General Practitioner

Dr. Gaddam Manoj

General Practitioner

1 Years • MBBS

Hyderabad

Aaradhya clinic, Hyderabad

125

Dr. Suvadeep Sen, Critical Care Specialist

Dr. Suvadeep Sen

Critical Care Specialist

12 Years • MBBS, MD, FNB (CRITICAL CARE MEDICINE), EDIC

Mumbai

Apollo Hospitals CBD Belapur, Mumbai

2300

2300

Dr. Tanmaya Kumar Sahu, General Physician/ Internal Medicine Specialist

Dr. Tanmaya Kumar Sahu

General Physician/ Internal Medicine Specialist

12 Years • MBBS, MD ( Internal Medicine )

Bhubaneswar

Apollo Hospitals Old Sainik School Road, Bhubaneswar

800

800

Dr. Vandana Malik, General Practitioner

Dr. Vandana Malik

General Practitioner

8 Years • MBBS, FAM

Noida

Skinlogics Clinic, Noida

1250

1000

Dr. Bulbul Biswas, General Practitioner

Dr. Bulbul Biswas

General Practitioner

35 Years • MBBS, Diploma in Maternity and child welfare

Kolkata

HERSTEL CARE CLINIC, Kolkata

750

600

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