Does a Haakaa Increase Milk Supply? What You Need to Know

Posted on March 09, 2026

Introduction
How a Silicone Breast Pump Works
Does a Haakaa Increase Milk Supply?
The Benefits of Using a Milk Collector
Potential Risks of Using a Silicone Pump Too Often
How to Use Your Silicone Pump Safely
Managing an Accidental Oversupply
When to Reach Out for Support
Conclusion
FAQ

Introduction

If you have spent any time in breastfeeding circles or scrolled through parenting social media, you have likely seen a small, one-piece silicone bottle attached to a nursing parent’s breast. Often referred to by the popular brand name Haakaa, these silicone breast pumps have become a staple in many newborn diaper bags. They are praised for their simplicity and their ability to catch "liquid gold" that would otherwise be lost to a nursing pad.

At Milky Mama, we know that every drop counts, and we want to help you make the most of your breastfeeding journey. Whether you are trying to build a freezer stash or just want to stay dry during a let-down, understanding how these tools affect your body is essential. Many parents wonder if using one of these devices will actually change how much milk they produce.

This post will explore the mechanics of silicone pumps and answer the pressing question: does a haakaa increase milk supply? We will dive into the science of milk production, the potential for oversupply, and how to use this tool safely to support your feeding goals. Our goal is to empower you with clinical expertise so you can feed your baby with confidence.

How a Silicone Breast Pump Works

To understand if these devices increase supply, we first need to look at what they actually do. A silicone pump is different from a traditional manual or electric pump. It does not use a rhythmic pumping motion to draw milk from the breast. Instead, it relies on continuous, passive suction.

When you squeeze the base of the silicone pump and place it over your nipple, it creates a vacuum. This vacuum stays in place, gently pulling milk forward. Most parents use it on the opposite side while their baby is nursing. When your baby latches, your body triggers a let-down reflex.

The let-down reflex is a hormonal response where oxytocin causes the tiny muscles in your breasts to contract and squeeze milk into the ducts. This happens in both breasts at the same time. While your baby drinks from one side, the silicone pump catches the milk being released from the other side. Because it uses suction rather than just sitting in your bra, it is considered a "passive pump" rather than just a milk collector.

Does a Haakaa Increase Milk Supply?

The short answer is yes, a silicone pump can increase your milk supply. However, whether this is a benefit or a drawback depends entirely on your specific situation. To understand why it increases supply, we have to look at the primary rule of lactation: supply and demand.

The Science of Supply and Demand

Your body is incredibly smart. It produces milk based on how much milk is removed from the breast. When a baby nurses or a pump removes milk, your brain receives a signal that more milk is needed. This triggers the production of more milk for the next feeding.

Even though a silicone pump feels "passive," it is still removing milk from your body. If you use it every time you nurse, your body receives the signal that it needs to produce that extra milk in addition to what your baby is drinking. Over time, your breasts will adjust to this "demand," and your overall supply may increase.

For more guidance on how pumping affects production, read this guide to when to pump while breastfeeding.

Passive vs. Active Milk Removal

It is important to distinguish between the gentle suction of a silicone pump and the active drainage of an electric pump. An electric pump is designed to empty the breast as thoroughly as possible. A silicone pump primarily catches the initial milk that is ready to flow during a let-down.

While it can increase supply, it usually does not do so as aggressively as a medical-grade electric pump. For many parents, this results in a manageable increase that allows them to save an extra ounce or two per session. For others, it can lead to an unexpected oversupply.

Key Takeaway: Any time milk is removed from the breast, your body is told to make more. Using a silicone pump regularly acts as a form of "demand," which can lead to an increase in your total milk production.

The Benefits of Using a Milk Collector

When used mindfully, a silicone pump can be a fantastic tool for breastfeeding parents. It offers several benefits that can make the early weeks of nursing much easier.

Building a Stash Without Extra Work: Many moms find it difficult to find time for a dedicated pumping session. Using a silicone pump while nursing allows you to collect milk without extra equipment or time.
Relieving Engorgement: If you are feeling uncomfortably full, a silicone pump can take the "edge" off by removing a small amount of milk without the intense stimulation of an electric pump.
Saving Leaking Milk: If you naturally leak a lot on the side you aren't nursing from, a collector ensures that milk goes into a bottle instead of a nursing pad.
Simple Maintenance: With no cords, batteries, or small valves to wash, it is one of the easiest tools to keep clean.

For parents who want to support their supply naturally, we often recommend pairing these tools with nourishing snacks. Our Emergency Lactation Brownies are a favorite among our community, providing a delicious way to incorporate lactation-supporting ingredients like oats and flaxseed into your day.

Potential Risks of Using a Silicone Pump Too Often

While the extra milk in the fridge is exciting, using a silicone pump too frequently can sometimes cause issues. Because it is so easy to use, it is easy to overdo it.

The Risk of Oversupply

Oversupply might sound like a "good problem" to have, but it can be quite challenging. When your body makes significantly more milk than your baby needs, you may experience constant engorgement. This can lead to plugged ducts or even mastitis, which is a painful infection of the breast tissue.

If you have an oversupply, your baby might also struggle. A very full breast often has a very fast milk flow. This can cause your baby to cough, choke, or pull off the breast during a feed. They may also become gassy or fussy because they are taking in a large volume of milk very quickly.

Learn more about safely decreasing milk supply when pumping if you are dealing with persistent oversupply.

Understanding Foremilk and Hindmilk Imbalance

Milk changes during a feeding session. Foremilk is the milk available at the start of a feed; it is typically higher in lactose and thinner. Hindmilk comes later in the feed and is higher in fat.

Because a silicone pump primarily catches the milk released during the initial let-down, the milk it collects is often "foremilk." If you are using the pump to remove a large amount of milk before your baby switches to that second side, the baby may end up getting mostly lower-fat milk. This can sometimes lead to green, frothy stools or a baby who seems hungry again very quickly.

Impact on Baby's Intake

In some cases, if the suction on the silicone pump is very strong, it might remove a significant portion of the milk your baby was supposed to drink. If you then move your baby to that second side and it has already been partially "drained" by the pump, your baby might not get a full meal.

For most parents with a healthy supply, this isn't an issue. However, if you are already concerned about your baby's weight gain, it is important to ensure your baby gets "first dibs" on the milk before the pump does.

How to Use Your Silicone Pump Safely

To get the most out of your silicone pump without causing a massive oversupply, balance is key. Here are some tips for using it effectively:

Limit frequency: You do not have to use it at every single feed. Try using it only during the first few feeds of the morning when supply is naturally at its highest.
Adjust the suction: You don't always need to squeeze the base as hard as possible. A gentle squeeze may be enough to catch the leaks without aggressively pulling extra milk.
Switch sides mindfully: If you plan to offer both breasts to your baby, consider using the silicone pump only after the baby has finished the first side, or use it very briefly on the second side.
Watch your body's cues: If you start feeling "racy" let-downs, constant fullness, or if your baby seems overwhelmed by the flow, take a break from the pump for a few days.

If you find that your supply needs a little extra boost beyond what a collector can provide, you might consider an herbal supplement. Our Lady Leche™ supplement or Pumping Queen™ capsules are formulated with organic herbs to support lactation wellness.

Note: These products are not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.

Managing an Accidental Oversupply

If you realize that you have developed an oversupply from using your silicone pump too much, don't panic. You can gently signal your body to slow down.

Start by reducing how often you use the pump. Instead of using it for ten minutes, try using it for five. Instead of every feed, try every other feed. If your breasts feel uncomfortably full, you can use hand expression just until you feel comfortable. This removes less milk than a pump and tells your body to produce a little bit less next time.

It is also helpful to focus on "block feeding" if an IBCLC recommends it. This involves feeding the baby from only one side for a certain period to allow the other side to remain full, which naturally slows down production.

What to Do Next:

Assess your current supply and your baby's satisfaction.
Decide on a specific goal (e.g., "I want to save 2 ounces a day").
Use the silicone pump only as much as needed to reach that goal.
If you experience pain, lumps, or flu-like symptoms, contact your doctor immediately.

"Every body is different. What creates a perfect stash for one person might cause an oversupply for another. Listen to your body and your baby."

When to Reach Out for Support

Breastfeeding is a natural process, but it doesn't always come naturally. If you are struggling with the balance of using a silicone pump, or if you are worried about your supply levels, you don't have to figure it out alone.

At Milky Mama, we believe that moms deserve support, not judgment. If you are experiencing persistent issues like recurring clogs, a baby who isn't gaining weight, or extreme discomfort, reaching out to a Certified Lactation Consultant (IBCLC) is a great next step. They can look at your specific situation and help you create a plan that works for you and your baby.

We offer virtual breastfeeding consultations to make support accessible no matter where you are. Sometimes, just having a professional confirm that you are doing an amazing job can make all the difference in your confidence.

Conclusion

A silicone breast pump is a versatile tool that can help you collect extra milk with minimal effort. While it can increase your milk supply by signaling extra demand to your body, it is important to use it with intention. By monitoring your baby's feeding patterns and your own breast comfort, you can find a routine that supports your breastfeeding goals without the stress of an oversupply.

Use the pump to catch leaks and build a modest stash.
Be mindful of suction levels to avoid overstimulating production.
Always prioritize your baby's direct intake over the milk collected in the bottle.
Trust your instincts and your body's ability to provide.

You are doing an amazing job nourishing your little one. Whether you use a silicone pump, an electric pump, or nurse exclusively, your well-being matters just as much as the milk you produce. If you need a little extra nourishment along the way, explore Milky Mama’s lactation snacks and lactation supplements.

FAQ

Does the Haakaa count as a pump or a collector?

It is technically both, but it is often called a "passive pump." Because it uses continuous suction to draw milk out of the breast, it does more than just sit there and catch drips; it actively encourages milk to leave the breast.

Can using a silicone pump cause mastitis?

If used excessively, it can contribute to oversupply, which is a risk factor for mastitis. If the breast is constantly overstimulated and not drained effectively, or if the suction causes tissue inflammation, it can lead to complications, so it is best to use it mindfully.

Will I lose milk for my baby if I use it on the other side?

For most parents, no, because the body produces milk continuously. However, if you have a lower milk supply or if the pump is set with very high suction, it could potentially remove milk that the baby would have drank when you switched sides.

How long should I leave the silicone pump on?

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Does a Haakaa Increase Milk Supply? What You Need to Know

Table of Contents

Introduction

How a Silicone Breast Pump Works