Can You Take Prolactin to Increase Milk Supply? What to Know

Posted on March 03, 2026

Introduction
Understanding the Role of Prolactin
Can You Take Prolactin Directly?
Medications That Increase Prolactin Levels
Natural Ways to Boost Prolactin
Factors That Can Lower Prolactin
Herbal Support and Prolactin
The Importance of the Latch
Nutrition and Hydration
When to Seek Professional Help
Conclusion
FAQ

Introduction

If you have ever worried about your milk supply, you are not alone. Many parents find themselves searching for ways to boost their production, often looking into the science of how milk is made. One of the most common terms you will come across is prolactin. This is the hormone responsible for telling your body to create milk. It is natural to wonder if you can simply take a prolactin supplement or medication to fix supply issues.

At Milky Mama, we understand how stressful it feels when you worry your baby isn't getting enough. Our mission is to provide you with the tools and education you need to feel confident in your breastfeeding journey. We receive many questions about hormonal support and whether direct prolactin intake is a possibility for nursing parents.

In this article, we will explore the role of prolactin in lactation. We will answer whether you can take it directly, look at medications that influence your hormone levels, and discuss natural ways to support your body's milk-making process. While you cannot simply buy a bottle of prolactin at the store, there are many evidence-based ways to support your supply.

Understanding the Role of Prolactin

Before we discuss taking prolactin, we must understand what it is. Prolactin is a hormone produced by the pituitary gland. This is a small, pea-sized gland at the base of your brain. Often called the "milk-making hormone," its primary job during lactation is to stimulate the mammary glands to produce milk.

During pregnancy, your prolactin levels rise significantly. However, you do not produce large amounts of milk while pregnant because other hormones, like progesterone and estrogen, keep the milk production in check. Once the placenta is delivered after birth, your progesterone levels drop. This drop acts as a green light for prolactin to start working.

Prolactin works on a cycle of supply and demand. Every time your baby latches or you use a breast pump, nerves in your nipple send a message to your brain. Your brain then releases a surge of prolactin into your bloodstream. This surge tells your breasts to make more milk for the next feeding. If you do not remove milk frequently, these prolactin surges happen less often, and your supply may decrease. For additional guidance on increasing milk production, explore these effective tips for increasing breast milk supply.

Can You Take Prolactin Directly?

The short answer is no, you cannot currently take prolactin as an over-the-counter supplement or a standard pill. Prolactin is a protein hormone. If you were to swallow a pill containing prolactin, your stomach acid and digestive enzymes would likely break it down before it could ever reach your bloodstream. This is why many protein-based hormones, like insulin, must be injected rather than swallowed.

There is ongoing research into "Prolactin-XL," an engineered protein designed to stay in the body longer than natural prolactin. This is being developed as a potential injectable treatment for parents with significant milk insufficiency. However, this is not yet available to the public and is still in the testing phases. It is designed for emergency situations or clinical milk failure rather than general supply boosts.

For most people, the goal is not to "take" prolactin but to encourage the body to release more of its own. When people ask about taking prolactin, they are usually looking for a galactagogue. A galactagogue is a substance—either a medication or a herb—that helps initiate or increase milk production.

Key Takeaway: You cannot take a prolactin pill because your digestive system would destroy the hormone. Instead, supply is increased by stimulating your body to release its own natural prolactin.

Medications That Increase Prolactin Levels

While you cannot take prolactin itself, some prescription medications can increase your body’s prolactin levels. These drugs were not originally created for breastfeeding. They are used "off-label" for lactation. They work by blocking dopamine in the brain. Dopamine is a chemical that naturally acts as a "brake" on prolactin production. By blocking the brake, these medications allow prolactin levels to rise.

Metoclopramide (Reglan)

Metoclopramide is a medication often used to treat stomach issues and nausea. Because it blocks dopamine, it frequently causes an increase in prolactin. Some healthcare providers prescribe it to help with milk supply. However, it comes with significant risks. It can cause side effects like fatigue, irritability, and, most notably, severe depression. If you have a history of depression or anxiety, this medication is usually avoided.

Domperidone (Motilium)

Domperidone is another medication used to increase prolactin. It is often preferred over metoclopramide because it does not cross into the brain as easily, which reduces the risk of psychological side effects. However, domperidone is not FDA-approved in the United States. The FDA issued warnings against its use for lactation due to concerns about potential heart rhythm issues. It is available in other countries, such as Canada and the UK, but US-based parents should be aware of its legal and safety status.

Sulpiride

This is an antipsychotic medication used in some parts of the world to boost milk supply. Like the others, it works by increasing prolactin. However, because it is a strong psychiatric medication, it is not a first-line choice for most breastfeeding parents.

If you are considering medication to increase your supply, you must work closely with a healthcare provider and an International Board Certified Lactation Consultant (IBCLC). Medications should only be used after you have addressed the basics of milk removal and latch. You can also review professional breastfeeding and lactation support for help with supply, pumping, latch, and related concerns.

Natural Ways to Boost Prolactin

Since you cannot take a prolactin supplement, the most effective way to increase your levels is through physical stimulation and lifestyle choices. Your body is designed to respond to your baby's needs.

Frequent Milk Removal

The most powerful way to increase prolactin is to remove milk more often. The more your nipples are stimulated, the more prolactin your brain releases. If you are struggling with supply, try adding an extra pumping session or nursing more frequently. Even "dry pumping" for a few minutes after the milk stops flowing can signal your brain that it needs to produce more.

For more pumping-specific guidance, read this guide to pumping output and breastfeeding.

Skin-to-Skin Contact

Holding your baby skin-to-skin (often called Kangaroo Care) is more than just a bonding activity. It triggers a massive hormonal response in your body. When you hold your baby against your bare chest, your brain releases oxytocin and prolactin. Many parents find that spending an hour a day in skin-to-skin contact helps their supply feel more robust.

Night Feedings and Pumping

Prolactin levels are naturally higher during the night and early morning hours. This is why many babies want to cluster feed late at night. While it is exhausting, nursing or pumping during the night takes advantage of these naturally high hormone levels. If you are trying to build a freezer stash or increase your daily volume, a 3:00 AM pumping session is often your most productive time.

Power Pumping

Power pumping is a technique designed to mimic a baby’s cluster feeding. You pump for 20 minutes, rest for 10, pump for 10, rest for 10, and pump for 10. This repeated stimulation over an hour sends a strong signal to the pituitary gland to ramp up prolactin production.

Steps to Increase Your Prolactin Naturally:

Aim for at least 8 to 12 milk removals (nursing or pumping) in 24 hours.
Practice skin-to-skin contact for 30–60 minutes daily.
Ensure your pump flanges fit correctly to maximize nipple stimulation.
Try power pumping once a day for three to five days.

Factors That Can Lower Prolactin

It is also helpful to know what might be working against your prolactin levels. Certain habits or conditions can suppress the hormone that makes your milk.

Smoking: Nicotine has been shown to lower prolactin levels in the blood. This can lead to a lower milk supply and earlier weaning.
Estrogen-Based Birth Control: Birth control pills that contain estrogen can interfere with prolactin. If you need hormonal contraception, we usually recommend "progestin-only" options (the mini-pill).
Stress and Fatigue: High levels of stress produce cortisol, which can inhibit the let-down reflex and potentially impact the hormonal balance needed for milk production.
Retained Placenta: If even a tiny piece of the placenta remains in the uterus after birth, your progesterone levels will stay high. This prevents the "prolactin surge" from happening, which can delay your milk coming in.
Specific Medical Conditions: Conditions like Sheehan’s Syndrome (damage to the pituitary gland during birth) or PCOS can impact how your body manages prolactin.

Herbal Support and Prolactin

Many parents turn to herbs to support their supply. While these are not "prolactin pills," many traditional galactagogues are believed to support the body's natural hormonal processes.

We created our line of supplements at Milky Mama to offer parents supportive options that are rooted in tradition and clinical knowledge. Our Pumping Queen™ lactation supplement, for example, contains ingredients like Alfalfa and Moringa. Moringa is highly regarded in many cultures for its ability to support healthy milk production.

Another popular choice is Lady Leche™. This blend includes Milk Thistle and Nettle. These herbs are rich in nutrients and have been used for generations to help nursing parents maintain a steady supply. While herbs can be helpful, they work best when combined with frequent milk removal.

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

The Importance of the Latch

It is easy to get caught up in hormones and supplements, but the physical mechanics of breastfeeding are just as important. If your baby is not latching correctly, they are not stimulating the nerves in your nipple effectively. This means your brain is not getting the message to release prolactin.

If you find that your breasts never feel truly "empty" after a feeding, or if nursing is painful, you may have a latch issue. Working with an IBCLC can help ensure that the baby is removing milk efficiently. When the breast is emptied effectively, it sends a signal to your body to speed up production. When the breast stays full, a protein called Feedback Inhibitor of Lactation (FIL) tells your body to slow down.

For structured breastfeeding education about latch and early feeding, consider the Breastfeeding 101 online course.

Nutrition and Hydration

While food itself does not contain prolactin, being well-nourished allows your body to function optimally. Your endocrine system (which manages your hormones) needs energy to work. If you are severely undereating or dehydrated, your body may prioritize your own survival over milk production.

We often recommend focusing on "lactation-friendly" foods like oats, flaxseed, and brewer's yeast. These ingredients are the stars of our Emergency Lactation Brownies. Many parents find that having a nourishing snack that they actually enjoy helps them stay on track with their feeding goals. Hydration is also key. Drinks like our Pumpin Punch™ drink mix provide hydration along with ingredients like coconut water to keep you feeling your best.

You can explore Milky Mama’s ingredient guide for lactation products to learn more about the ingredients discussed in this article.

When to Seek Professional Help

If you have tried increasing your pumping sessions, practicing skin-to-skin, and using supportive supplements, but you still see no change, it is time to talk to a professional.

Low prolactin is not always the culprit for low milk supply. Sometimes the issue is related to thyroid function, anemia, or even a baby's tongue tie. A healthcare provider can run blood tests to check your actual prolactin levels. For a lactating person, normal prolactin levels are much higher than for a non-pregnant person. If your levels are clinically low, your doctor may investigate the health of your pituitary gland.

Remember, every drop of milk you provide is valuable. Whether you are exclusively breastfeeding, combo feeding, or pumping, you are doing an amazing job for your baby.

Conclusion

While you cannot take prolactin as a direct supplement to increase milk supply, you have many ways to influence how much of this vital hormone your body produces. By focusing on frequent milk removal, maximizing skin-to-skin contact, and utilizing supportive herbal blends, you can encourage your body to reach its potential. Medications are an option in some cases, but they should always be discussed with a medical professional due to potential side effects.

Frequent nursing and pumping are the best ways to trigger prolactin release.
Night sessions are especially effective because prolactin levels peak while you sleep.
Herbal supplements like those from us can support your overall lactation health.
Always address latch and milk removal issues first.

If you are feeling overwhelmed, remember that support is available. We offer virtual lactation consultations and a supportive community to help you navigate these challenges. You don't have to do this alone. Your well-being matters just as much as your milk supply, and we are here to support both.

FAQ

Can I buy prolactin pills over the counter?

No, prolactin pills are not available for purchase because prolactin is a protein hormone that would be destroyed by your digestive system. If you see products claiming to be "prolactin boosters," they are usually herbal supplements or vitamins intended to support your body's natural hormone production rather than containing the hormone itself.

What are the symptoms of low prolactin in breastfeeding?

The most common symptom of low prolactin is a persistent low milk supply that does not respond to increased nursing or pumping. You might also notice that your milk was slow to "come in" after birth or that you never experience a "let-down" reflex. If you suspect low prolactin, a healthcare provider can confirm this with a blood test.

Does pumping increase prolactin as much as nursing?

Nursing is generally the most efficient way to stimulate prolactin because of the unique physical contact and suction a baby provides. However, a high-quality, hospital-grade electric pump used correctly can also effectively trigger prolactin surges. To maximize results while pumping, ensure your flanges fit properly and try looking at photos or videos of your baby to encourage a hormonal response.

Can stress stop my body from making prolactin?

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Can You Take Prolactin to Increase Milk Supply? What to Know

Table of Contents

Introduction

Understanding the Role of Prolactin

Can You Take Prolactin Directly?