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

Posted on March 09, 2026

Introduction
How a Silicone Pump Actually Works
The Rule of Supply and Demand
Does a Haakaa Increase Milk Supply for Everyone?
The Pros of Increasing Your Supply with a Haakaa
The Potential Risks of Oversupply
Tips for Using a Silicone Pump Safely
When to Support Your Supply Naturally
How to Stop Using the Haakaa if You Have Oversupply
What to Do Next: A Simple Action Plan
Alternatives to the Silicone Pump
Common Myths About Silicone Pumps
Finding the Right Balance
Conclusion
FAQ

Introduction

If you have ever been in the middle of a nursing session only to look down and realize your shirt is soaked on the other side, you know how precious those "lost" drops of milk feel. It is no wonder that silicone breast pumps like the Haakaa have become a staple in many diaper bags. They are simple, quiet, and do not require any plugs or batteries. But as you watch the milk collect in the silicone container, you might start to wonder about the impact on your body.

At Milky Mama, we hear from parents every day who are curious about how these tools affect their long-term production. You want to save every drop, but you also want to make sure you are not accidentally causing issues like oversupply or discomfort. This post will cover how these silicone pumps work, whether they truly increase your milk supply, and how to use them safely to support your breastfeeding journey.

While the Haakaa is a fantastic tool for many, it is more than just a simple "collector"—it is a pump that uses suction to remove milk. Understanding this distinction is the key to managing your supply effectively. If you want a deeper dive into the same topic, our guide on how to use a Haakaa to increase milk supply effectively breaks down the basics step by step.

How a Silicone Pump Actually Works

To understand if a Haakaa increases milk supply, we first have to look at how it functions. Many parents think of it as a "milk catcher," similar to a cup that just sits against the skin. However, the Haakaa and other silicone breast pumps use continuous suction to draw milk out of the breast.

When you squeeze the base of the pump and then place the flange against your breast, it creates a vacuum. This vacuum pulls on the nipple and the breast tissue. This is different from a traditional electric pump, which uses a rhythmic "suck and release" motion to mimic a baby. The silicone pump provides a steady, constant pull.

This suction is often enough to trigger your let-down reflex. The let-down reflex is the physiological response that causes your milk to flow from the ducts. Since your body often lets down on both sides at the same time, the suction helps "pull" that milk out while you are nursing your baby on the opposite side. Because it is removing milk, it is officially classified as a manual pump, not just a passive collector.

The Rule of Supply and Demand

The foundation of lactation is a concept called supply and demand. Your breasts are not just storage tanks; they are sophisticated manufacturing sites. They create milk based on the signals they receive from your baby or a pump.

When milk is removed from the breast, your body receives a hormonal signal to make more. This involves two main hormones: prolactin and oxytocin. Prolactin is responsible for making the milk, while oxytocin helps the milk flow out.

If you are nursing your baby and using a Haakaa on the other side, you are essentially telling your body that you have a higher demand for milk than what your baby is drinking. Your body does not know the difference between a hungry baby and a silicone pump. It simply sees that milk is being removed from both sides, so it works to replace that volume. This is the primary reason why using a silicone pump can indeed increase your milk supply over time.

Does a Haakaa Increase Milk Supply for Everyone?

For most parents, using a silicone pump consistently will lead to an increase in milk production. However, the extent of that increase depends on how often you use it and how much suction you apply.

If you use the pump once a day to collect an extra ounce or two, you might not notice a massive shift in your overall supply. Your body will likely adjust to making that extra small amount. On the other hand, if you use the pump during every single feeding session, your body may start to believe you are feeding twins.

It is also important to remember that every body responds differently to suction. Some parents find that the gentle suction of a silicone pump is enough to remove several ounces at every feed. Others may only see a few drops. Your individual breast capacity—the amount of milk your breasts can hold between feedings—also plays a role in how your supply responds to extra removal.

Understanding Passive vs. Active Collection

It is helpful to distinguish between "active" pumping and "passive" collecting.

Active Pumping: This is when you use suction to pull milk out that wouldn't have leaked on its own.
Passive Collecting: This is simply catching the milk that was going to leak into your nursing pad anyway.

The Haakaa is an active tool because of its suction. If you want a truly passive experience that won't significantly boost your supply, you might prefer a product like our Milky Mama Milk Collectors. These sit inside your bra and catch leaks with very little to no suction, making them a "middle ground" for those who want to save milk without signaling for a massive increase in production.

Key Takeaway: Because a silicone pump uses suction to remove milk, it signals your body to produce more. If you use it frequently, you are likely to see an increase in your total daily milk volume.

The Pros of Increasing Your Supply with a Haakaa

Increasing your supply isn't always a bad thing! For many parents, using a silicone pump is a stress-free way to reach their goals. Here are some of the benefits:

Building a Freezer Stash

If you are planning to return to work or simply want to have some milk on hand for an occasional bottle, a silicone pump is one of the easiest ways to build a stash. By catching the extra milk during your morning feeds—when supply is typically at its highest—you can slowly accumulate enough for several bottles without having to find extra time in your day for a full electric pumping session.

Relieving Engorgement

In the early weeks of breastfeeding, your milk supply is often still regulating. This can lead to engorgement, where the breasts feel heavy, hard, and painful. Using a silicone pump for a few minutes can take the "edge" off the fullness without being as stimulating as a powerful electric pump.

Managing a Strong Let-down

Some parents have a very fast milk flow that can cause their baby to gag or pull away. Using a silicone pump for a minute or two before latching your baby can help slow down the initial "spray," making the feeding more comfortable for your little one.

The Potential Risks of Oversupply

While "extra milk" sounds like a dream, having too much milk—a condition called oversupply—can lead to several challenges. It is important to be mindful of how much extra milk you are removing. If you want support understanding the bigger picture, our Certified Lactation Consultant Breastfeeding Help page is a good place to start.

Clogged Ducts and Mastitis

When your body makes more milk than your baby needs, the breasts may not be fully emptied. When milk sits in the ducts for too long, it can lead to a clog. If that clog is not resolved, it can turn into mastitis, which is an infection of the breast tissue. This often causes flu-like symptoms and requires medical attention. For more on that, see our post on how mastitis can affect milk supply and recovery.

Baby’s Digestive Comfort

Milk is often categorized as "foremilk" and "hindmilk." Foremilk is the thinner milk at the start of a feed, which is high in lactose. Hindmilk is the creamier, high-fat milk that comes later. If you have a significant oversupply, your baby might fill up on the high-lactose foremilk before they get to the fatty hindmilk. This can lead to gassy, fussy babies and occasionally green, frothy stools.

Nipple Pain and Vasospasm

Because a silicone pump provides constant suction, it can be hard on the nipple tissue. If the suction is too strong or if the pump is left on for too long, it can cause pain or even vasospasms (a constriction of the blood vessels in the nipple). If you notice your nipple turning white or feeling a sharp, burning pain after using the pump, you may need to reduce the suction or the time you use it.

Tips for Using a Silicone Pump Safely

If you want to use a silicone pump without causing a massive oversupply, there are ways to manage your sessions effectively.

Limit Use to 1–2 Times per Day: If your supply is already healthy, you do not need to use the pump at every feed. Once or twice a day is usually enough to build a modest stash.
Use Less Suction: You do not have to fold the flange all the way back and squeeze the base as hard as possible. Experiment with lighter suction that just stays on the breast.
Watch Your Baby’s Growth: If you are removing a lot of milk with the pump and your baby seems unsatisfied or is struggling to gain weight, talk to a lactation consultant. You want to make sure your baby is getting the milk they need first.
Listen to Your Body: If your breasts feel constantly full and painful, you might be overstimulating your supply. Try backing off the pump use for a few days to see if your body regulates.

When to Support Your Supply Naturally

If you find that even with a silicone pump, you are still worried about your production, there are other ways to support your body. Nutrition and hydration are the pillars of a healthy milk supply.

Many moms find that adding specific herbs and ingredients to their diet can help maintain a steady flow. For example, our Pumping Queen supplement is designed to support lactation as part of a daily routine. You can also explore our Pumping Queen page if you want to see the full product details for yourself.

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

When you combine effective milk removal (like using your pump correctly) with nourishing support, you create a sustainable routine for you and your baby. If hydration is part of your plan, you may also like Pumpin' Punch as a lactation drink mix option.

How to Stop Using the Haakaa if You Have Oversupply

If you realize you have accidentally created an oversupply and want to stop using the silicone pump, it is best not to quit "cold turkey." Doing so can lead to painful engorgement or clogs.

Instead, try to gradually reduce the amount of time you use the pump. If you usually keep it on for 15 minutes, try 10 minutes for a few days, then 5. Alternatively, you can stop using it at one feeding session every two days until you are no longer using it at all.

You can also switch to a passive collector that does not use suction. This allows you to still catch those leaks and protect your clothes without sending the "make more milk" signal to your brain.

What to Do Next: A Simple Action Plan

Navigating the world of breastfeeding tools can feel overwhelming when you are tired. Here is a quick guide on how to proceed:

If you want to increase supply: Use the silicone pump for 10–15 minutes during your first 2–3 feedings of the day.
If you just want to save leaks: Use a passive collector like our Milky Mama Milk Collectors without applying suction.
If you feel engorged: Use the pump only until you feel comfortable, then stop.
If you see signs of mastitis: Contact your doctor or a certified lactation consultant immediately.

Every drop counts, but so does your comfort. You do not have to have a freezer full of milk to be a "successful" breastfeeding parent. Your value is not measured in ounces.

Alternatives to the Silicone Pump

If the suction of a silicone pump feels uncomfortable for you, there are other ways to build your milk supply and save your leaking milk.

Hand Expression

Hand expression is a valuable skill that every breastfeeding parent should learn. It is gentle, free, and can be very effective at removing milk. Many parents find that they can get more milk through hand expression than with a silicone pump once they learn the proper technique.

Electric Pumping

If you truly need to increase your supply due to a medical reason or a return to work, a high-quality electric pump might be a better choice. Electric pumps allow you to control the cycle speed and the vacuum strength, which can be more comfortable and effective for long-term supply building.

Lactation Treats

Sometimes, the best way to support your supply is through nourishment. Our Emergency Lactation Brownies are a favorite for many moms because they are a convenient way to support lactation while providing a much-needed snack. We believe that supporting your supply should be something you enjoy, not just another chore on your to-do list.

Common Myths About Silicone Pumps

There is a lot of misinformation online about how these tools work. Let's clear up a few common myths.

Myth 1: "It only catches what would have leaked."

As we have discussed, this is false. Because of the vacuum suction, it is drawing milk out of the ducts. This makes it a pump, not just a collector.

Myth 2: "It empties the breast better than a baby."

A healthy, effectively nursing baby is almost always the most efficient "tool" for removing milk. While a silicone pump is great for catching the let-down, it is rarely able to remove the deep, fatty milk as well as a baby can.

Myth 3: "You must use it at every feed."

You absolutely do not. In fact, for many people, using it at every feed is a recipe for oversupply. Use it as a tool when you need it, not as a requirement for breastfeeding success.

Finding the Right Balance

Breastfeeding is a journey of constant adjustment. One week you might feel like you have too much milk, and the next you might worry you don't have enough. Tools like the Haakaa are there to serve you, not the other way around.

If you love the convenience of a silicone pump, keep using it! Just stay mindful of how your body and your baby are responding. If you notice your baby is frustrated at the breast or you are constantly dealing with clogs, it might be time to scale back.

We are here to support you through every stage of this process. Whether you need a virtual lactation consultation, a structured learning path like Breastfeeding 101, or a supportive community in The Official Milky Mama Lactation Support Group on Facebook, Milky Mama has your back. You're doing an amazing job, and your dedication to your baby is beautiful.

Conclusion

A silicone pump is a powerful and convenient tool that can help many parents build a milk stash and manage their supply. Because it uses suction, it can indeed increase your milk supply if used regularly. However, it is important to balance that use to avoid the pitfalls of oversupply and engorgement. By listening to your body and using the pump mindfully, you can make it a helpful part of your breastfeeding routine.

A Haakaa is a manual pump, not just a leak catcher.
Suction signals your body to increase milk production.
Monitor for signs of oversupply like frequent clogs or a fussy baby.
Use passive collectors if you only want to save leaks without boosting supply.

"Breastfeeding is a relationship between you and your baby. While tools are helpful, your body's ability to adapt and provide for your little one is the real magic."

If you are looking for more ways to support your breastfeeding journey, check out our range of lactation products and educational resources through our courses. We are honored to be a part of your story.

FAQ

Does using a Haakaa every day increase milk supply?

Yes, using a silicone pump daily typically increases milk supply for most people because it removes extra milk. This removal signals your body through the supply-and-demand process to produce more milk to replace what was taken. If you want to avoid a significant increase, try using it less frequently or with very light suction.

Is the milk from a Haakaa mostly foremilk?

The milk collected in a silicone pump often contains more foremilk because it is primarily catching the initial let-down. However, if you have a strong let-down or use the pump for a longer duration, you will still collect some of the fattier hindmilk. To ensure your baby gets a balance, you can mix the collected milk with milk from a regular pumping session.

Can a Haakaa cause oversupply?

Yes, it is possible to develop an oversupply if you use a silicone pump at every feeding session. This tells your body to produce enough milk for more than one baby, which can lead to engorgement and clogged ducts. If you notice signs of oversupply, it is a good idea to reduce how often you use the pump.

Why am I not getting any milk with my silicone pump?

$28.80 AUD

Subscribe & Save: 10% off

SHOP NOW

About Milky Mama

Support

Stay Connected