Does Flaxseed Oil Increase Milk Supply?

Posted on March 09, 2026

Introduction
Understanding Milk Supply and Demand
What Is Flaxseed Oil?
Does Flaxseed Oil Increase Milk Volume?
Improving the Quality of Your Milk
The Role of Lignans and Phytoestrogens
Healthy Fats and Satiety
Potential Benefits for Postpartum Recovery
How to Incorporate Flaxseed Oil Into Your Routine
Other Evidence-Based Ways to Support Supply
Safety and Cautions
The Importance of a Holistic Approach
Creating a Support System
Final Thoughts on Flaxseed Oil
FAQ

Introduction

The early days of breastfeeding often feel like a whirlwind of wonder and worry. You might find yourself searching for any way to ensure your little one is getting exactly what they need. One question we hear frequently at Milky Mama is whether adding flaxseed oil to your diet can help boost your milk production.

It is completely normal to look for tools that support your lactation journey. Whether you are returning to work or just want to feel more confident in your output, nutrition plays a supportive role. This article will explore the relationship between flaxseed oil and lactation, looking at what the research says about its impact on volume and milk quality.

While every breastfeeding person’s body is unique, understanding how specific ingredients work can help you make the best choices for your family. Our goal is to provide you with the clinical insight and supportive guidance you need to navigate these decisions. We will look at the benefits of flaxseed oil, its limitations, and how it fits into a holistic approach to breastfeeding success, including support from Emergency Lactation Brownies.

Understanding Milk Supply and Demand

Before we dive into the specifics of flaxseed oil, it is helpful to understand how your body actually makes milk. For most people, milk production works on a system of supply and demand. This means that the more frequently and effectively milk is removed from the breast, the more milk your body will create.

When your baby latches or you use a breast pump, it sends a signal to your brain. This signal releases two main hormones: prolactin and oxytocin. Prolactin is the hormone that tells your body to make milk. Oxytocin is the hormone responsible for the "let-down reflex," which is the process of the milk moving through the ducts to the nipple.

While foods and supplements can support these processes, they are usually secondary to frequent milk removal. If you feel your supply is low, the first step is often to increase the number of times you nurse or pump. If you want more personalized guidance, our Certified Lactation Consultant Breastfeeding Help page is a great next step.

Key Takeaway: The most effective way to maintain or increase milk supply is through frequent, effective milk removal.

What Is Flaxseed Oil?

Flaxseed oil comes from the seeds of the flax plant. It is a popular plant-based supplement because it is very high in alpha-linolenic acid (ALA). ALA is a type of omega-3 fatty acid that is essential for human health, meaning our bodies cannot make it on their own.

Many people use flaxseed oil as an alternative to fish oil. It provides a concentrated dose of healthy fats that can support heart health and reduce inflammation. For a breastfeeding parent, these healthy fats are particularly interesting because they can influence the composition of breast milk.

When you consume flaxseed oil, your body processes these fatty acids. Some of the ALA is used for energy, while some is converted into other types of omega-3s, like EPA and DPA. This process is important because the types of fats you eat directly impact the types of fats found in your milk.

Does Flaxseed Oil Increase Milk Volume?

The most common question is whether flaxseed oil will actually result in more ounces of milk. When we look at the clinical research, the answer is a bit complex. There is currently very little evidence to suggest that flaxseed oil alone acts as a powerful galactagogue.

A galactagogue is a substance—usually a food, herb, or medication—that is thought to increase milk production. While many cultures have used flaxseed for generations to support nursing, modern studies have not shown a dramatic increase in milk volume specifically from flaxseed oil.

For example, a recent study looked at lactation cookies that contained flaxseed and other ingredients. The researchers found that these cookies did not significantly increase the total volume of milk compared to regular cookies. However, this does not mean flaxseed oil is not helpful. It simply means its primary benefit might not be "more" milk, but rather "better" milk.

What to Do Next

Focus on frequent nursing sessions (8–12 times in 24 hours).
Ensure your baby has a deep, comfortable latch.
Monitor your baby’s wet and dirty diapers to track intake.
Consult with a lactation consultant if you are worried about volume.

Improving the Quality of Your Milk

While flaxseed oil might not double your supply overnight, it can do something else very important. It can enrich the nutritional profile of your breast milk. Research shows that when a lactating parent takes flaxseed oil, the levels of ALA in their milk increase significantly.

Healthy fats are vital for your baby’s brain and eye development. Breast milk is naturally high in fat, and the quality of that fat matters. By including flaxseed oil in your diet, you are providing your baby with a rich source of omega-3 fatty acids.

It is important to note that while flaxseed oil increases ALA and EPA, it does not significantly increase DHA levels in breast milk. DHA is another type of omega-3 that is very important for infant development. If you are looking to increase DHA specifically, you may need to look at other sources like fatty fish or algae-based supplements.

The Role of Lignans and Phytoestrogens

Flaxseeds are also famous for being the richest dietary source of lignans. Lignans are a type of phytoestrogen. These are plant-based compounds that can weakly mimic the hormone estrogen in the body.

Lactation is a delicate balance of hormones. Some experts believe that the phytoestrogens in flaxseed may help support the hormonal environment needed for milk production. Estrogen and prolactin work together to prepare the breast tissue for nursing.

However, most of the lignans are found in the fiber of the whole or ground flaxseed, rather than the oil. If you are looking for the hormonal benefits of lignans, using ground flaxseed might be more effective than using the oil alone. We use ground flaxseed in many of our products, including Emergency Lactation Brownies, to help support your routine.

Healthy Fats and Satiety

Another reason flaxseed oil can be beneficial is the way it affects how your baby feels after a feeding. Milk that is higher in healthy fats can help a baby feel fuller and more satisfied for longer. This is often referred to as satiety.

When a baby is satisfied, they may sleep better and have more predictable feeding patterns. For a tired parent, this can make a world of difference. Adding healthy fats like flaxseed oil to your diet supports your own energy levels too. You are working hard to nourish another human, and your body needs that fuel to keep going.

Key Takeaway: Flaxseed oil may not increase the amount of milk you pump, but it can make your milk more nutrient-dense and satisfying for your baby.

Potential Benefits for Postpartum Recovery

Your well-being matters just as much as your baby’s. The postpartum period can be physically and emotionally taxing. The omega-3 fatty acids in flaxseed oil are known for their anti-inflammatory properties.

Many moms find that these healthy fats help with:

Supporting mood and emotional balance.
Reducing skin dryness, which is common during lactation.
Aiding in the healing of tissues after birth.
Supporting overall heart and brain health.

When you feel better, your body can focus its energy on milk production. High levels of stress can sometimes inhibit the let-down reflex. If you want education that covers the basics and builds confidence, Breastfeeding 101 is a helpful place to start.

How to Incorporate Flaxseed Oil Into Your Routine

If you decide to try flaxseed oil, it is very easy to add to your daily life. It has a very mild, slightly nutty flavor that blends well with many foods. You do not need to drink it straight; in fact, most people prefer it mixed into something else.

Here are a few simple ways to use it:

Drizzle it over your morning bowl of oatmeal.
Mix a tablespoon into a smoothie.
Use it as a base for a salad dressing (do not heat it, as high heat can destroy the healthy fats).
Stir it into a cup of yogurt.

We recommend starting with a small amount, such as one teaspoon per day. You can gradually increase this to one tablespoon if it agrees with your digestion. Flaxseed oil can have a mild laxative effect for some people, so it is best to see how your body responds.

Other Evidence-Based Ways to Support Supply

If your primary goal is to see a significant increase in milk volume, there are other strategies that have stronger clinical evidence than flaxseed oil alone. At Milky Mama, we believe in a multi-faceted approach to lactation support.

The Power of Dates

Some studies have shown that consuming dates daily can significantly increase breast milk volume. In one trial, moms who ate ten dates a day saw a noticeable jump in their milk production within a few weeks. Dates are also a great source of natural energy and fiber.

Oatmeal and Beta-Glucans

Oatmeal is one of the most famous "milk-boosting" foods for a reason. It contains beta-glucans, which may help increase prolactin levels. It is also a comforting, warm meal that can help lower stress levels. Our Emergency Brownies and lactation cookies use oats as a foundation to help support your journey.

Hydration and Electrolytes

You cannot make milk if you are dehydrated. Drinking enough water is essential, but electrolytes like sodium and potassium also play a role. They help your body move fluids into the cells where they are needed. Drinks like Pumpin' Punch™ or Milky Melon™ can help you stay hydrated while providing lactation-supportive ingredients.

Safety and Cautions

Flaxseed oil is generally considered safe for most breastfeeding parents when used in food-grade amounts. However, there are a few things to keep in mind. Because flaxseed contains phytoestrogens, very high doses could theoretically interfere with your hormone balance.

In animal studies, extremely high doses of flaxseed were linked to changes in the offspring's development. While these doses were much higher than what a human would typically consume, it is a good reminder that moderation is key.

If you have a history of hormone-sensitive conditions or are taking blood-thinning medications, you should speak with your healthcare provider before starting any new supplement. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.

The Importance of a Holistic Approach

Breastfeeding is a journey that involves your whole body and mind. While it is natural, it doesn't always come naturally. It is okay to ask for help and it is okay to use tools like flaxseed oil or herbal supplements to help you reach your goals.

Our Lady Leche™ supplement is designed to support milk supply using a blend of herbs that work together with your body's natural processes. We focus on ingredients that are safe and rooted in traditional wisdom and clinical expertise. Remember, you're doing an amazing job, regardless of what the scale or the pump says.

Success in breastfeeding is not just about the number of ounces. It is about the bond you are building and the health of both you and your baby. If you want to learn more about how supply support fits into the bigger picture, our guide on Understanding and Managing Low Milk Supply is a useful companion read.

Creating a Support System

One of the biggest factors in breastfeeding success is support. Whether it is a supportive partner, a group of friends, or a professional lactation consultant, having people in your corner makes a difference. We offer virtual lactation consultations to help you troubleshoot any issues you might be facing.

You don't have to navigate low supply or latching difficulties alone. Sometimes, a small adjustment to your pumping schedule or your baby's positioning can make a much bigger difference than any single food or supplement. If you are pumping regularly, our article on exclusive pumping and milk supply may also be helpful.

Key Takeaway: Use flaxseed oil as one part of a larger plan that includes good hydration, frequent milk removal, and emotional support.

Final Thoughts on Flaxseed Oil

Does flaxseed oil increase milk supply? The clinical evidence for a volume increase is limited. However, the evidence for its ability to improve the quality of your milk and support your own postpartum health is much stronger. It is a nutritious, safe, and easy addition to a breastfeeding diet.

Every drop counts, and providing your baby with high-quality fats is a beautiful way to support their growth. If you are struggling with volume, consider combining flaxseed oil with other strategies like increased nursing frequency, hydration with Pumpin' Punch™, and evidence-based foods like dates or oats.

Flaxseed oil provides essential ALA omega-3 fatty acids.
It enriches the fatty acid profile of your breast milk.
It may not significantly increase the total volume of milk.
Moderation and a holistic approach to lactation are essential.

You are doing the hard work of nourishing your baby, and you deserve to feel supported every step of the way. Whether you choose to add flaxseed oil to your smoothie or enjoy one of our Emergency Lactation Brownies, know that we are here to help you flourish.

"Breasts were literally created to feed human babies, and with the right support, you can reach your breastfeeding goals."

FAQ

Can I take flaxseed oil capsules instead of the liquid?

Yes, capsules are a convenient way to take flaxseed oil if you do not like the taste of the liquid. Most capsules contain 1,000mg of oil, so you may need to take several to match the dosage found in a tablespoon of liquid oil. Always check the label for purity and dosage recommendations.

Will flaxseed oil make my baby gassy?

Most babies tolerate flaxseed oil in the mother's diet very well. However, because every baby's digestive system is different, it is always a good idea to watch for changes. If you notice increased fussiness or gas after starting flaxseed oil, try reducing your dose or pausing for a few days to see if the symptoms improve.

How long does it take for flaxseed oil to show up in breast milk?

Studies have shown that the fatty acid profile of breast milk can change quite quickly after consuming healthy fats. You may see an increase in the ALA content of your milk within just a few days of consistent supplementation. The levels usually return to baseline shortly after you stop taking the oil.

Is ground flaxseed better than flaxseed oil for milk supply?

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Does Flaxseed Oil Increase Milk Supply?

Table of Contents

Introduction

Understanding Milk Supply and Demand

What Is Flaxseed Oil?