Locations:
Search IconSearch
September 30, 2020/Diet, Food & Fitness/Nutrition

Can You Do Intermittent Fasting While Breastfeeding?

The short answer from a registered dietitian

woman and newborn baby

Q: I recently had a baby and would like to start losing some of the baby weight. Is it safe to try intermittent fasting while I am still breastfeeding?

A: Women who are breastfeeding have a need for more calories because those calories are being used to provide nutrients to the baby. If you’re low on calories, it could affect your milk supply and energy level – both of which are not good for nursing moms.

Advertisement

Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy

So typically for women who are breastfeeding, I do not advise intermittent fasting.

However, in the later stages of breastfeeding, say if you’re feeding in the morning and evening and you’re not the primary source of your baby’s nutrition anymore, then you could probably incorporate some fasting towards the very tail end.

But I certainly do not recommend intermittent fasting during the very active breastfeeding period where you’re providing your baby’s main source of nutrition.

Until you’re done breastfeeding, your safest bet is to focus on a healthy diet and exercise plan.

– Registered dietitian Julia Zumpano, RD.

Advertisement

Learn more about our editorial process.

Related Articles

Hand holding glucose measurement device, with bottle of water in background at night
Are Religious Fasts Safe for People With Diabetes?

Planning ahead, checking in with your care team and being vigilant about blood sugar monitoring can help ensure a safe fast

person running with food and fitness images floating behind
March 6, 2024/Exercise & Fitness
Is It Safe to Work Out While You’re Fasting?

It’s best to exercise before or after your fast, instead of during it

person standing in front of taped off refrigerator thinking about food and watching the time
March 5, 2024/Nutrition
6 Tips for Fasting Safely

Plan ahead by hydrating, cutting back on sugar and managing medications

Close up of hand holding a scoop of powder baby formula over container of powder baby formula
February 23, 2024/Children's Health
Feeding Your Baby: How and When to Supplement With Formula

When breastfeeding doesn’t go as planned, you may need to supplement with formula or donor breast milk — and that’s OK

glass of nettle tea with fresh nettle herbs around the cup
February 7, 2024/Pregnancy & Childbirth
Why To Be Wary of Lactation Supplements To Increase Breast Milk Supply

Breastfeeding supplements can be a needless expense at best, and risky at worst

pregnant female feeling her breasts
February 5, 2024/Pregnancy & Childbirth
When Does Milk Supply Regulate When You’re Breastfeeding?

Typically, milk comes in a few days after birth and regulates around four weeks after delivery

mother with newborn on chest in hospital bed
January 3, 2024/Children's Health
Will Tongue-Tie Surgery Help Your Baby Breastfeed?

Most parents report an improvement in breastfeeding, but there’s a chance the procedure won’t solve the issue

Woman breast feeding baby in cradle hold position.
October 23, 2023/Pregnancy & Childbirth
7 Common Breastfeeding Positions

From the football hold to the cradle hold, consider trying a variety of techniques

Trending Topics

Sliced beets.
5 Health Benefits of Beets

This ruby-red root is chock-full of vitamins, fiber and more

man with painful joints in hand
6 Myths About Joint Pain and Arthritis

Getting the facts straight about osteoarthritis

variety of food allergens such as eggs, milk, wheat, shellfish and nuts
Warning Label: The Big 9 of Food Allergens

More than 90% of allergic reactions can be linked to these foods

Ad