Why Do Oatmeal Cream Pies Help With Milk Supply
Posted on March 23, 2026
Posted on March 23, 2026
If you have spent any time in breastfeeding support groups or scrolled through parenting social media lately, you have probably seen a familiar crinkly wrapper. The humble oatmeal cream pie has become a viral sensation in the lactation world. Parents everywhere are sharing photos of these nostalgic snacks, claiming they saw a sudden boost in their milk production after eating a few. It sounds like a dream come true—eating a tasty childhood favorite to help feed your baby.
At Milky Mama, we know that the breastfeeding journey can be full of surprises, and we love seeing parents find joy in the process. While it might seem strange that a store-bought snack cake could impact your milk supply, there are actually a few biological reasons why this trend might be working for some. In this article, we will dive deep into the ingredients, the hormones involved, and the science of lactation to explain why these treats are so popular. We will also explore how you can get the same benefits from more nutrient-dense options while supporting your body’s natural ability to produce milk.
The "oatmeal cream pie challenge" usually starts when a parent notices a dip in their supply and reaches for a quick snack. After eating one or two of these cookies, they head to their next pumping session and see an extra ounce or two in the bottle. They share the news, and suddenly, the theory spreads like wildfire. In the world of breastfeeding, word-of-mouth is powerful because every parent wants a solution that is easy, affordable, and delicious.
It is important to remember that these stories are anecdotal. This means they are based on personal experiences rather than clinical studies. However, when thousands of parents report similar results, it is worth looking at the "why" behind the trend. Most of the time, the success of the oatmeal cream pie comes down to a combination of calories, specific plant compounds, and a much-needed break from the stress of new parenthood.
The star of the show in these snack cakes is, of course, the oatmeal. Oats have been used for centuries as a traditional galactagogue. A galactagogue is a substance—usually a food or herb—that may help support or increase milk production. While the oats in a processed snack cake are often finely ground and mixed with sugar, they still carry some of the beneficial properties found in whole oats. You can learn more about oats and other lactation ingredients used in breastfeeding support.
Oats contain a specific type of soluble fiber known as beta-glucan. This fiber is highly regarded for heart health, but it also plays a significant role in lactation. Research suggests that beta-glucan can help raise the levels of prolactin in a person’s blood. Prolactin is the primary hormone responsible for telling your breasts to make milk. When your prolactin levels are supported, your body receives a clearer signal to maintain or increase production.
Oats are also rich in saponins. These are plant-based compounds that may have a positive effect on the hormones related to milk production. Specifically, saponins are thought to influence the pituitary gland, which is the control center for many of the hormones that govern breastfeeding. By providing the body with these plant chemicals, you are essentially giving your hormonal system a little extra support to do its job.
Many new parents struggle with low iron levels, especially in the first few months after giving birth. Fatigue and low iron (anemia) are known factors that can contribute to a decrease in milk supply. Oats are a decent source of dietary iron. While a single cookie won't cure anemia, incorporating oats into your diet can help support your iron levels and give you the energy needed to sustain the high demands of breastfeeding.
One of the most overlooked aspects of the oatmeal cream pie trend is the simple fact that they are high in calories. Making breast milk is an incredibly energy-intensive process. In fact, your body may burn an extra 300 to 500 calories per day just to produce milk for your baby. If you are busy, tired, and skipping meals, your body might not have the fuel it needs to keep up with production.
When you eat a snack cake that is high in fats and sugars, you are giving your body a sudden influx of energy. For a parent who has been "running on empty," those extra calories can act as a green light for the body to continue producing milk. While we usually advocate for "clean" calories from whole foods, sometimes the sheer volume of calories is what makes the difference in the short term.
Breastfeeding is not just a physical act; it is deeply tied to your nervous system. To get milk out of the breast, you need a successful "let-down reflex." This is the process where the hormone oxytocin causes the tiny muscles in your breasts to contract and push the milk forward.
Stress is the primary enemy of oxytocin. When you are anxious about your milk supply, your body produces adrenaline and cortisol, which can block the release of oxytocin. This creates a frustrating cycle: you worry about your supply, the stress makes it harder for the milk to flow, and then you worry even more.
Sitting down to enjoy a childhood favorite snack like an oatmeal cream pie can trigger a sense of comfort and nostalgia. This small act of self-care can lower your stress levels and trigger a dopamine release. As you relax and enjoy your treat, your oxytocin levels can rise, making it much easier for your body to let down its milk. Often, what looks like a "boost in supply" is actually just a more efficient emptying of the breast because you were finally relaxed enough to let the milk flow.
Key Takeaway: The success of oatmeal cream pies often comes from a "perfect storm" of oats, extra calories, and the relaxation that comes from eating a comfort food you enjoy.
While oatmeal cream pies can be a fun treat, they are also loaded with high-fructose corn syrup, preservatives, and hydrogenated oils. These ingredients are not ideal for long-term health or for providing the best quality nutrients to your baby. If you love the idea of an oatmeal-based treat but want something specifically designed for lactation, there are much better options available.
At Milky Mama, we formulated our products to give you the benefits of oats without the "sugar crash" that comes from processed snack cakes. Our Emergency Brownies are a favorite for a reason. They are packed with rolled oats, but they also include other powerful galactagogues that you won't find in a standard grocery store cookie.
Brewer’s yeast is a nutritional powerhouse. it is full of B vitamins, protein, and minerals like chromium and selenium. These nutrients help support your energy levels and mood, which are essential for a healthy breastfeeding relationship. Most store-bought cookies do not contain brewer's yeast, which is one of the most effective ingredients for supporting milk supply.
Flaxseeds provide healthy omega-3 fatty acids and phytoestrogens. Phytoestrogens can help balance the hormones in your body, while the healthy fats help increase the fat content of your breast milk. When you eat a snack designed for lactation, you aren't just getting "empty calories"—you are getting targeted nutrition that helps both you and your baby.
If you are looking for a boost, consider these "what to do next" steps for your diet:
You can explore more convenient options in Milky Mama’s lactation snacks collection.
It is important to remember that no food—not even the most powerful lactation treat—can replace the fundamental rule of "supply and demand." Your breasts work like a factory, not a warehouse. They make milk based on how much milk is being removed.
If you eat an oatmeal cream pie but do not nurse or pump frequently, your supply will not increase. The removal of milk sends a signal to your brain to make more. To get the most out of any lactation-supporting food, you should focus on:
For additional strategies, read this guide to boosting milk supply while exclusively breastfeeding.
Fun fact: breastfeeding in public—covered or uncovered—is legal in all 50 states. Whether you are at home on the couch with a snack or out at the park, the goal is frequent milk removal.
Many parents who try the oatmeal cream pie trick also find themselves reaching for an electrolyte drink or a large bottle of water to wash it down. Hydration is the secret weapon of milk production. Since breast milk is roughly 90% water, even mild dehydration can cause your output to dip.
If you find that your supply increases after a snack, ask yourself if you also increased your fluid intake. We often recommend pairing your treats with something hydrating, like our Pumpin’ Punch™ or Milky Melon™ drinks. These are designed to provide hydration plus lactation support, giving your body the fluids it needs to manufacture milk efficiently. Explore the full range of lactation drink mixes for more options.
If you want the benefits of the oatmeal cream pie without the processed sugar, there are many ways to make oats a staple of your diet. Every drop counts, and fueling your body well is a great way to show yourself some love.
This is the ultimate "tired parent" breakfast. Mix rolled oats with your choice of milk, a spoonful of chia seeds, and some berries in a jar. Let it sit in the fridge overnight. In the morning, you have a cold, creamy, and fiber-rich meal that supports your prolactin levels from the moment you wake up.
Oats don't always have to be sweet. You can cook them with vegetable broth and top them with a sautéed egg and some spinach. This provides a protein boost alongside the galactagogue benefits of the oats, keeping you full for much longer than a sugary cookie would.
Add a handful of quick oats to your favorite fruit smoothie. You won't even taste them, but you will get the benefits of the beta-glucan. This is also a great way to stay hydrated while you eat.
While many parents see a boost from adding oats or specific treats to their diet, every body is different. What works for one person might not work for another. If you are struggling with a significant supply issue, it is always a good idea to reach out to a professional.
A Certified Lactation Consultant (IBCLC) can help you determine if your supply is truly low or if you are experiencing a normal phase like cluster feeding. Breasts were literally created to feed human babies, and most of the time, your body is doing exactly what it is supposed to do. You're doing an amazing job, and wanting to support your body with treats like oatmeal cream pies is just a sign of how much you care about your baby’s nutrition.
If you have tried the oatmeal snacks, increased your water intake, and are nursing frequently but still feel concerned, look for these signs:
In these cases, a snack cake won't be enough to solve the underlying issue. A lactation consultant can check for things like tongue ties, hormonal imbalances, or improper pump fit to get you back on track. Virtual breastfeeding help can provide personalized support when you need it.
To recap, the reason why oatmeal cream pies help with milk supply for some parents isn't due to a secret "magic" ingredient. Instead, it is a combination of several factors:
While they can be a fun part of your journey, they work best when combined with frequent milk removal and proper hydration.
The oatmeal cream pie trend is a great example of how parents can find creative ways to support each other and share tips that make the breastfeeding journey a little bit sweeter. Whether you choose to enjoy an occasional store-bought snack or opt for a more specialized lactation treat, the goal is the same: a happy, healthy parent and a well-fed baby. We are here to support you with products that make this journey easier and more nourishing. Remember to listen to your body, stay hydrated, and give yourself grace.
You don't have to navigate this alone. If you are looking for treats made with high-quality ingredients like brewer's yeast and flaxseed, we invite you to try our Emergency Brownies or our range of lactation drinks to help support your goals.
"Your well-being is just as important as your milk supply. Take the time to nourish yourself, both physically and emotionally."
This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.
While you can eat them daily, they are high in sugar and processed fats, which may lead to energy crashes or unwanted weight gain. It is usually better to treat them as an occasional snack and rely on more nutrient-dense sources of oats, like oatmeal or specialized lactation treats, for daily support.
Some parents report seeing a difference in their next pumping session, while for others, it may take 24 to 48 hours. Because milk production is a continuous process, the nutritional and hormonal benefits of oats often take a little time to reflect in your output.
No, the brand does not matter as much as the ingredients. The primary benefit comes from the oats and the calories, so any oatmeal-based snack will provide a similar effect, though treats with higher-quality ingredients will be better for your overall health.
Milk supply is primarily driven by "supply and demand," so if you aren't nursing or pumping frequently, food alone may not be enough. If you don't see a change, focus on increasing the frequency of milk removal and ensure you are staying well-hydrated throughout the day. You can also review power pumping guidance for additional support.