Is It Safe to Take Marine Collagen While Pregnant?

Is It Safe to Take Marine Collagen While Pregnant?

04/08/2026 By BUBS Naturals

Table of Contents

  1. Introduction
  2. Understanding Collagen and the Growing Demand of Pregnancy
  3. Is It Safe to Take Marine Collagen While Pregnant?
  4. The Benefits of Marine Collagen During the Prenatal Journey
  5. Marine vs. Bovine Collagen: Which Should You Choose?
  6. The Importance of Third-Party Testing and Purity
  7. How to Integrate Collagen into Your Prenatal Routine
  8. Hydration and the Role of Electrolytes in Pregnancy
  9. Digestive Wellness and the Power of ACV
  10. Addressing Potential Risks and Side Effects
  11. The Role of Collagen in Postpartum Recovery
  12. Why Quality Matters: The BUBS Difference
  13. Final Thoughts on Collagen and Pregnancy
  14. FAQ

Introduction

Did you know that during pregnancy, the collagen content in your uterus increases by a staggering 800%? This remarkable physiological shift isn't just a random biological occurrence; it is a fundamental requirement for the body to expand, adapt, and support the life growing within it. As your body undergoes one of the most intense transformations a human can experience, the demand for structural proteins reaches an all-time high. This has led many expecting mothers to ask a vital question: is it safe to take marine collagen while pregnant?

At BUBS Naturals, we believe that wellness is the foundation for every great adventure, and there is no greater adventure than motherhood. However, we also believe in a no-BS approach to health. This means looking closely at the science, the safety profiles, and the purity of the supplements you choose to put into your body—especially when you are nourishing two people. The modern wellness landscape is flooded with options, but when it comes to pregnancy, the standard for "clean" and "natural" must be absolute.

The purpose of this post is to provide a comprehensive look at the safety, benefits, and considerations surrounding marine collagen supplementation during pregnancy. We will explore how your body’s collagen needs change, the specific differences between marine and bovine sources, and the critical importance of third-party testing. By the end of this article, you will have a clear understanding of how to navigate the world of collagen supplements safely and effectively.

We will cover everything from the basic science of collagen peptides to the potential risks of heavy metals in marine sources, and how to ensure you’re choosing a product that supports both your wellness and your baby’s development. Whether you are dealing with joint discomfort, looking to support skin elasticity, or simply trying to meet your increased protein requirements, we are here to help you make an informed decision.

This guide is rooted in our mission to provide clean, functional, and science-backed nutrition inspired by the legacy of Glen “BUB” Doherty. Just as Glen lived a life of purpose and service, we are dedicated to serving your health and the veteran community through our 10% Rule—donating a portion of every profit to charity. Together, let’s explore the role of collagen in your pregnancy journey and determine the safest path forward for your growing family.

Understanding Collagen and the Growing Demand of Pregnancy

To understand if marine collagen is right for you, we first need to look at what collagen actually is. Collagen is the most abundant protein in the human body, acting as the "glue" that holds our tissues together. It provides structure to our skin, strength to our bones, and resilience to our joints and ligaments. In the context of pregnancy, collagen is not just a cosmetic luxury for "glowing skin"; it is a functional necessity.

The human body naturally produces collagen by breaking down dietary protein into amino acids—specifically glycine, proline, and hydroxyproline. However, pregnancy is a state of high metabolic demand. As the fetus develops, the mother’s body must synthesize new tissues at a rapid rate. This includes the expansion of the uterine wall, the formation of the placenta, and the stretching of the skin and abdominal muscles.

Research suggests that the demand for glycine, the primary amino acid in collagen, increases significantly during pregnancy. While our bodies can produce some glycine, it often becomes "conditionally essential" during the second and third trimesters, meaning we may not be able to produce enough to meet the increased requirements. This is where high-quality supplementation, like our Collagen Peptides, can play a supportive role in a balanced prenatal diet.

While the focus of this article is marine collagen, it is important to note that most high-quality collagen supplements are "hydrolyzed." This means the long protein chains have been broken down into smaller peptides that are easier for your digestive system to absorb. For a pregnant woman whose digestion might already be slowed down by hormonal changes, the bioavailability of these peptides is a major advantage.

Is It Safe to Take Marine Collagen While Pregnant?

The short answer is that collagen supplements, including marine collagen, are generally recognized as safe (GRAS) by the FDA. However, "generally safe" requires a deeper look when you are pregnant. The primary concern with marine collagen specifically is the source of the fish and the potential for heavy metal contamination, such as mercury.

Because marine collagen is derived from fish skin, scales, and bones, the quality of the water those fish lived in matters immensely. Larger fish and certain species are known to accumulate higher levels of mercury, which is a known neurotoxin that should be avoided during pregnancy. This is why we are so vocal about our commitment to purity. When you are looking for a supplement, you cannot settle for "good enough." You need to look for products that are rigorously tested by third parties.

One of the best ways to ensure safety is to look for the NSF for Sport certification. At BUBS Naturals, we put our products through this rigorous testing to ensure they are free from contaminants and meet the highest standards of quality. While marine collagen can be a clean source of protein, many women find that bovine-sourced Collagen Peptides offer a more consistent safety profile without the risk of fish-related allergens or heavy metal spikes associated with low-quality marine brands.

It is also vital to consult with your healthcare provider or OB-GYN before starting any new supplement. Every pregnancy is unique, and while collagen is a natural protein, your doctor can help you determine the correct dosage and ensure it doesn’t interfere with your prenatal vitamins or any other health conditions you may have. Safety in pregnancy is about being proactive and choosing the cleanest possible ingredients.

The Benefits of Marine Collagen During the Prenatal Journey

If you and your doctor decide that marine collagen is a safe addition to your routine, there are several ways it can support your body’s natural functions during this transformative time.

Supporting Skin Elasticity and Repair

As your baby grows, your skin must stretch to accommodate the new life. This stretching can sometimes lead to discomfort or the appearance of stretch marks. Collagen is a key component of the dermis, the layer of skin responsible for elasticity. By providing the body with the building blocks it needs for skin repair, collagen peptides may help support the skin’s structural integrity during this rapid expansion.

Joint and Ligament Comfort

Pregnancy hormones, specifically one called relaxin, cause the ligaments in your body to soften and become more flexible in preparation for childbirth. While this is a necessary process, it can often lead to joint instability and discomfort, particularly in the hips, pelvis, and lower back. Collagen is a major component of cartilage and connective tissue. Supplementing with Collagen Peptides can help support the health of these tissues as they face the increased mechanical stress of carrying extra weight.

Meeting Increased Protein Requirements

During the second and third trimesters, your protein needs increase significantly—often by 25 grams or more per day. Protein is the building block of every cell in your baby's body. For many pregnant women, especially those struggling with morning sickness or food aversions to meat, getting enough protein can be a challenge. Marine collagen is an easy-mixing, virtually tasteless way to add high-quality protein to a morning smoothie or a cup of tea, ensuring you meet those nutritional milestones without the "heavy" feeling of a large steak or chicken breast.

Gut Health and Digestion

The amino acid glycine is also known for its role in supporting the health of the intestinal lining. Many pregnant women experience digestive changes, ranging from occasional bloating to more persistent discomfort. By supporting the integrity of the gut barrier, collagen can contribute to overall digestive wellness, which is foundational for nutrient absorption—both for you and your baby.

Marine vs. Bovine Collagen: Which Should You Choose?

When investigating "is it safe to take marine collagen while pregnant," it is helpful to compare it to the most common alternative: bovine collagen. Both provide the necessary amino acids, but there are distinct differences in their sourcing and nutrient profiles.

Marine collagen is primarily Type I collagen. Type I is the most abundant type in the human body and is excellent for skin, hair, and nail support. Because marine collagen particles (peptides) are slightly smaller, some argue they have a slightly higher bioavailability. However, the difference is often negligible if the bovine collagen is properly hydrolyzed.

Bovine collagen, like our Collagen Peptides, typically contains both Type I and Type III collagen. Type III is found in our muscles and blood vessels, making it a more "well-rounded" option for supporting the overall structural changes occurring during pregnancy. Furthermore, bovine collagen is often considered a safer bet for those concerned about mercury or those with fish and shellfish allergies.

Our Collagen Peptides are sourced from grass-fed, pasture-raised cows. This ensures a clean, sustainable product that avoids the heavy metal concerns sometimes associated with marine sources. When you are pregnant, simplicity is your friend. Choosing a single-ingredient, grass-fed bovine product removes the "what-ifs" that can come with marine-derived supplements.

The Importance of Third-Party Testing and Purity

We cannot stress this enough: the supplement industry is often a "wild west." When you are pregnant, you are the gatekeeper for your baby’s nutrition. This is why our "no-BS" approach is so critical. A product might claim to be "natural," but without third-party verification, you have no way of knowing if it contains fillers, artificial sweeteners, or heavy metals.

At BUBS Naturals, we take our commitment to quality seriously. Every batch of our Collagen Peptides is NSF for Sport certified. This is the gold standard in testing, ensuring that what is on the label is exactly what is in the tub—and nothing else. For a pregnant woman, this certification provides the peace of mind that she isn't inadvertently consuming lead, mercury, or arsenic.

Beyond the lab results, there is the ethical component of our mission. We aren't just selling supplements; we are honoring a legacy. Glen "BUB" Doherty was a Navy SEAL who lived a life of excellence. We strive to bring that same level of excellence to our products. When you choose BUBS, you aren't just supporting your own wellness; you're contributing to our 10% Rule, where we donate to veteran-focused charities. This sense of purpose and community is something we believe resonates deeply with new parents who are focused on building a better world for their children.

How to Integrate Collagen into Your Prenatal Routine

Consistency is the key to seeing the benefits of collagen. Because it works from the inside out to support the body's natural functions, it's best to make it a daily habit. Fortunately, high-quality collagen is incredibly versatile.

One of the easiest ways to take it is in your morning coffee or tea. If you find yourself needing a bit of sustained energy and mental clarity during those "pregnancy brain" moments, you might try adding a scoop of our MCT Oil Creamer along with your collagen. The MCTs provide clean, coconut-sourced energy that pairs perfectly with the protein in collagen.

If you prefer a cold drink, collagen mixes effortlessly into smoothies. This is a great way to pack in other pregnancy-essential nutrients. You can blend spinach for iron, berries for antioxidants, and a scoop of Collagen Peptides for that vital protein boost.

To maximize the absorption of collagen, it is often recommended to take it alongside Vitamin C. Vitamin C is a critical cofactor in collagen synthesis; without it, your body can't effectively turn those amino acids into new collagen fibers. You can get this from citrus fruits, or for a more concentrated support, you can look into our Vitamin C boost, which provides 500 mg of antioxidant support.

Hydration and the Role of Electrolytes in Pregnancy

While collagen supports the structure of your tissues, hydration ensures those tissues remain functional. Pregnancy increases your blood volume by nearly 50%, which means your need for fluids and electrolytes sky-rockets. Dehydration in pregnancy can lead to fatigue, headaches, and even premature contractions.

When you're focusing on your collagen intake, don't forget the importance of what you're mixing it into. Staying hydrated isn't just about drinking water; it's about maintaining the right balance of minerals. Our Hydrate or Die – Lemon provides an effective way to keep your electrolyte levels stable without any added sugars or artificial junk. It’s a clean, performance-focused way to support your body as it does the "marathon" of growing a human.

Many of our community members find that a morning routine consisting of a scoop of collagen in their coffee and a bottle of Hydrate or Die – Mixed Berry in the afternoon keeps their energy levels and physical comfort in check throughout the day.

Digestive Wellness and the Power of ACV

As we mentioned earlier, digestion can be a common pain point during pregnancy. Progesterone, the hormone that helps maintain a healthy pregnancy, also relaxes the smooth muscles in the digestive tract, leading to slower digestion. While collagen supports the gut lining, some women find that adding apple cider vinegar (ACV) to their routine can further support digestive comfort.

Rather than dealing with the harsh taste of liquid vinegar, our Apple Cider Vinegar Gummies offer a much more palatable option. Made with "The Mother," these gummies are a simple daily habit that can support your general wellness and digestive health alongside your collagen supplementation. It’s all about creating a holistic routine that makes you feel your best.

Addressing Potential Risks and Side Effects

While the question of "is it safe to take marine collagen while pregnant" generally leads to a positive answer, we must address potential side effects. Some individuals may experience mild digestive changes, such as a feeling of fullness or bloating, when first introducing collagen. This is usually temporary as your body adjusts to the increased protein intake.

The most significant risk remains the source. If you have a known allergy to fish or shellfish, marine collagen is strictly off-limits. In these cases, our grass-fed Collagen Peptides are the ideal alternative. Additionally, ensure you are not using collagen as your only source of protein. While it is rich in glycine and proline, it is not a "complete" protein because it lacks the essential amino acid tryptophan. It should be used as a supplement to a diet that includes a variety of protein sources like beans, nuts, seeds, and responsibly sourced meats or dairy.

Always monitor how you feel. If you notice any unusual symptoms after starting a new supplement, discontinue use and speak with your midwife or doctor. Your body is highly sensitive during this time, and listening to its cues is paramount.

The Role of Collagen in Postpartum Recovery

The journey doesn't end when the baby arrives. In fact, the "Fourth Trimester" is a time when your body needs structural support more than ever. Postpartum recovery involves the healing of tissues, the continued adjustment of joints, and for many, the challenge of postpartum hair shedding.

Continuing with your Collagen Peptides after birth can support this healing process. If you are breastfeeding, your protein and calorie requirements remain high. A scoop of collagen is an easy way to ensure you are getting the nutrients you need to recover while providing high-quality nutrition for your baby.

Furthermore, the mental and physical demands of new parenthood can be exhausting. Many new moms find that our MCT Oil Creamer helps them navigate those sleepless nights by providing a quick source of clean energy. When combined with the joint support of collagen, it creates a powerful toolkit for navigating the early days of motherhood.

Why Quality Matters: The BUBS Difference

At the end of the day, when you ask "is it safe to take marine collagen while pregnant," you are really asking: "Can I trust this product?" Trust is something we take very seriously. We started BUBS Naturals not just to sell products, but to live out a set of values. Those values—wellness, adventure, and giving back—drive everything we do.

We don't use fillers. We don't use artificial flavors. We don't use chemical sweeteners. Our collagen is one ingredient: grass-fed, pasture-raised bovine collagen. By sticking to the basics, we eliminate the risks associated with the additives found in many "trending" marine collagen brands.

When you choose our Collagen Peptides Collection, you are choosing a brand that stands for something. You're choosing the same high-quality nutrition that elite athletes and adventurers use, but refined for the most important adventure of your life. Our 10% Rule ensures that your purchase helps those who have served our country, creating a cycle of wellness that extends far beyond your own kitchen.

Final Thoughts on Collagen and Pregnancy

Pregnancy is a time of incredible transformation, both physically and emotionally. It is a season where your body’s needs are unique and its demands are high. Marine collagen can be a safe and effective way to support your skin, joints, and protein needs, provided you are vigilant about sourcing and purity.

However, for many expecting mothers, the peace of mind that comes with a clean, grass-fed bovine source is unmatched. Our Collagen Peptides provide the Type I and Type III collagen your body needs to navigate the stretching, growing, and healing that pregnancy requires.

By focusing on clean ingredients, third-party testing, and a holistic approach to wellness—including proper hydration with Hydrate or Die and digestive support with our Apple Cider Vinegar Gummies—you can support your body’s natural functions and feel your best throughout your journey.

We invite you to explore the science-backed ingredients and the mission-driven heart of BUBS Naturals. Whether you are in your first trimester or your third, we are here to support your adventure. Shop our Collagen Peptides today and feel the BUBS difference—for you, for your baby, and for a greater cause.

FAQ

Can I take marine collagen if I have a fish allergy? No, marine collagen is derived from fish skin, scales, and bones. If you have a known fish or shellfish allergy, you should strictly avoid marine collagen as it can trigger an allergic reaction. Instead, we recommend our grass-fed, pasture-raised Collagen Peptides, which are bovine-sourced and free from fish allergens.

How much collagen is safe to consume daily while pregnant? While there is no specific RDA for collagen, most studies on collagen peptides use dosages ranging from 5 to 15 grams per day. Many pregnant women find that one scoop (about 10-20 grams) of Collagen Peptides fits perfectly into their daily nutritional plan. Always consult with your healthcare provider to determine the best amount for your specific needs.

Will collagen help prevent stretch marks during pregnancy? While no supplement can guarantee the prevention of stretch marks—as genetics and the rate of growth play large roles—collagen is a fundamental component of skin elasticity. By supporting the body's natural collagen stores, you are providing the building blocks necessary for skin to stretch and recover more effectively. Many women use Collagen Peptides as part of a proactive approach to skin health.

Is marine collagen better than bovine collagen for pregnancy? Neither is necessarily "better," but they have different profiles. Marine collagen is mostly Type I and has slightly smaller peptides, which some prefer for skin health. However, bovine collagen, like our Collagen Peptides, contains both Type I and Type III, providing more comprehensive support for muscles and blood vessels. Additionally, bovine collagen is often preferred during pregnancy due to the lower risk of heavy metal contamination compared to low-quality marine sources.

*Disclaimer:

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Product results may vary from person to person.

Information provided on this site is solely for informational purposes only. It is not a substitute for professional medical advice. Do not use this information for diagnosing or treating a health problem or disease, or prescribing of any medications or supplements. Only your healthcare provider should diagnose your healthcare problems and prescribe treatment. None of our statements or information, including health claims, articles, advertising or product information have been evaluated or approved by the United States Food and Drug Administration (FDA). The products or ingredients referred to on this site are not intended to diagnose, treat, cure or prevent any disease. Please consult your healthcare provider before starting any supplement, diet or exercise program, before taking any medications or receiving treatment, particularly if you are currently under medical care. Make sure you carefully read all product labeling and packaging prior to use. If you have or suspect you may have a health problem, do not take any supplements without first consulting and obtaining the approval of your healthcare provider.

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