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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 13th Jan, 2026

16-8-fasting

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. Mainak Baksi, General Practitioner

Dr. Mainak Baksi

General Practitioner

13 Years • MBBS , MD (MPH)

Howrah

Mainak Baksi Clinic, Howrah

recommendation

83%

(50+ Patients)

600

750

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Debdatta Pati, Psychiatrist

Dr. Debdatta Pati

Psychiatrist

18 Years • MBBS, DPM, MD (PSYCHIATRY)

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

1200

60 Cashback

1450

Dr. Preeti Kathail, General Physician/ Internal Medicine Specialist

Dr. Preeti Kathail

General Physician/ Internal Medicine Specialist

17 Years • MBBS, PGDHHM

Bangalore

Apollo Clinic Bellandur, Bangalore

700

700

Dr Aswathy D C, General Practitioner

Dr Aswathy D C

General Practitioner

6 Years • MBBS

Bangalore

Apollo Clinic Bellandur, Bangalore

700

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. Mainak Baksi, General Practitioner

Dr. Mainak Baksi

General Practitioner

13 Years • MBBS , MD (MPH)

Howrah

Mainak Baksi Clinic, Howrah

recommendation

83%

(50+ Patients)

600

750

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Debdatta Pati, Psychiatrist

Dr. Debdatta Pati

Psychiatrist

18 Years • MBBS, DPM, MD (PSYCHIATRY)

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

1200

60 Cashback

1450

Dr. Preeti Kathail, General Physician/ Internal Medicine Specialist

Dr. Preeti Kathail

General Physician/ Internal Medicine Specialist

17 Years • MBBS, PGDHHM

Bangalore

Apollo Clinic Bellandur, Bangalore

700

700

Dr Aswathy D C, General Practitioner

Dr Aswathy D C

General Practitioner

6 Years • MBBS

Bangalore

Apollo Clinic Bellandur, Bangalore

700

Consult a Top general practitioner for the best advice

Dr. Mainak Baksi, General Practitioner

Dr. Mainak Baksi

General Practitioner

13 Years • MBBS , MD (MPH)

Howrah

Mainak Baksi Clinic, Howrah

recommendation

83%

(50+ Patients)

600

750

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Debdatta Pati, Psychiatrist

Dr. Debdatta Pati

Psychiatrist

18 Years • MBBS, DPM, MD (PSYCHIATRY)

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

1200

60 Cashback

1450

Dr. Preeti Kathail, General Physician/ Internal Medicine Specialist

Dr. Preeti Kathail

General Physician/ Internal Medicine Specialist

17 Years • MBBS, PGDHHM

Bangalore

Apollo Clinic Bellandur, Bangalore

700

700

Dr Aswathy D C, General Practitioner

Dr Aswathy D C

General Practitioner

6 Years • MBBS

Bangalore

Apollo Clinic Bellandur, Bangalore

700

Consult a Top general practitioner for the best advice

Dr. Mainak Baksi, General Practitioner

Dr. Mainak Baksi

General Practitioner

13 Years • MBBS , MD (MPH)

Howrah

Mainak Baksi Clinic, Howrah

recommendation

83%

(50+ Patients)

600

750

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Debdatta Pati, Psychiatrist

Dr. Debdatta Pati

Psychiatrist

18 Years • MBBS, DPM, MD (PSYCHIATRY)

Kolkata

MCR SUPER SPECIALITY POLY CLINIC & PATHOLOGY, Kolkata

1200

60 Cashback

1450

Dr. Preeti Kathail, General Physician/ Internal Medicine Specialist

Dr. Preeti Kathail

General Physician/ Internal Medicine Specialist

17 Years • MBBS, PGDHHM

Bangalore

Apollo Clinic Bellandur, Bangalore

700

700

Dr Aswathy D C, General Practitioner

Dr Aswathy D C

General Practitioner

6 Years • MBBS

Bangalore

Apollo Clinic Bellandur, Bangalore

700

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