Diet and Breastfeeding

Onion Breastfeeding – What Do We Really Know?

Oignon et Allaitement Maman et Bébé


Became popular in the world of creative cuisine, the onion awakens your baby’s taste buds. By infusing breast milk with its aroma, it acquaints your infant with new flavors. Eating onion while breastfeeding is not a problem, as long as your child accepts it well and does not experience any discomfort. Otherwise, you may need to consider temporarily reducing or eliminating onions from your diet. So, onion breastfeeding, what is it really? Let’s take a closer look at all of this.

Onion in Brief

The onion, a root vegetable with multiple layers, is rich in vitamins C and B6, fiber, as well as minerals (potassium and magnesium). Its anti-inflammatory and antioxidant compounds, such as quercetin, play a key role in protecting the body. However, its high fiber and sulfur compound content can make it difficult to digest for some people. And it’s well known, it makes you cry when you cut it! Despite these drawbacks, onion remains an essential ingredient in cooking.

Consuming Onion While Breastfeeding: Is It a Good Idea?

Adding onions to your meals, whether they are red, yellow, green, or even spring onions, is not contraindicated for breastfeeding moms. In reality, no vegetable is strictly prohibited during this period, including all kinds of onions. They can even be beneficial, enriching your diet in a healthy way. On this basis, it’s a good idea to consume them and not deprive yourself of foods that you enjoy. That being said, always keep an eye on your baby’s behavior when you change your menu to adjust as needed. Don’t hesitate to seek advice from a nutritionist or lactation consultant for further clarification on this matter.

Garlic, Onion, and Breastfeeding

Since the two almost go hand in hand, let’s see what is said. Garlic is often praised for its benefits and strong flavor. In some cultures, it is even believed to have the ability to improve the production and quality of breast milk. However, these claims lack scientific evidence. Similarly, a widespread belief suggests that consuming garlic could lead to a decrease in milk production in mothers, yet again this theory is not supported by solid evidence.

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The Impact of Onion on Breast Milk

It is well documented that strong-smelling foods consumed by the mother can slightly alter the flavor of breast milk. Yes, eating onions can change the taste of your milk, and that’s actually a good thing. This taste experience introduces your budding little gourmet to the pleasures of the table without changing its quality. There is no need to worry as long as your baby seems comfortable and happy. However, remain vigilant about how they react and enjoy sharing a bit of your culinary world with them.

Does raw onion affect breast milk? Raw onion, with its stronger aroma, appears to flavor breast milk more than cooked onion. Indeed, cooking reduces the taste and softens the sharpness of the onion.

Does onion cause gas in babies? It is rare for onion to be the direct cause of digestive discomfort in infants. However, observing and adjusting one’s diet based on the reactions of the newborn remains the best approach.

Onion Breastfeeding

Practical Tips for Onion Breastfeeding

Start by adding a little bit to your dishes and observe how your infant reacts. It all depends on your receptiveness and your baby’s response. Cooked onions are milder, so it’s better to start with those. Try different types of onions to see what works best for you and your baby. If he doesn’t like it too much, reduce the frequency or stop altogether. Adding onions to your diet helps baby get to know different tastes, which is great for later when he starts eating like you.

Recipe Idea: Onion Tart

Do onions bother breastfed babies? Every child has their own way of reacting to new flavors. By introducing onion into your diet, you may observe a range of responses from your little one. Most of the time, they go unnoticed, but some babies may show a slight difference in their usual behavior, perhaps being a bit more fussy or changing their nursing habits. Signs of possible sensitivity include discomfort, more frequent gas, or some irritability after meals. This doesn’t mean you should immediately ban onions from your kitchen, but proceed first in steps:


Stay tuned to any changes in your baby’s behavior or comfort after meals. Post-nursing cues deserve all your attention.


Facing a possible reaction to onion or any other food, reduce its consumption or remove it from your diet to see if there is any improvement, this could shed light on the source of the problem.


Once you have ruled out the suspect food and noted an improvement, try reintroducing it gradually. This is how you can determine if this food was really the culprit.


If the problems persist, worsen, or if your child presents alarming symptoms such as a rash, vomiting, or difficulty breathing, visiting a healthcare professional becomes essential. Whether it’s a pediatrician or a midwife, their expertise will provide tailored support. As a general rule, trust your parent intuition: if in doubt or concerned, do not hesitate to seek their advice.

Onion and Breastfeeding: In Conclusion

Consuming onion during breastfeeding familiarizes your baby with a range of flavors, thus stimulating their senses. Varying tastes from the start promotes the appreciation of a rich and diverse diet. If your little one enjoys slightly flavored milk, all is well. Opt for cooked onion, which is generally milder. Trust your motherly intuition to gauge the addition of onion in your diet and your baby’s reception. Lastly, for personalized advice, don’t hesitate to turn to healthcare professionals who are there for that. Curious about how other foods influence breastfeeding? We invite you to continue reading with this article on chili peppers!


About Cécile Kolbecher

Après une expérience de 10 ans dans le secteur sanitaire et social, Cécile a entamé une reconversion professionnelle puis s'est formée à la rédaction web et au SEO. Désormais, elle met à profit son goût pour l'écriture et ses compétences dans la création de contenu sur le thème de la maternité et de l'allaitement.

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