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Can Collagen Supplements Cause Stomach Upset? Understanding the Impact on Digestive Health
All About Collagen > Can Collagen Supplements Cause Stomach Upset? Understanding the Impact on Digestive Health

Can Collagen Supplements Cause Stomach Upset? Understanding the Impact on Digestive Health

07/09/2025 By Bubs Naturals

Table of Contents

  1. Introduction
  2. What is Collagen?
  3. Common Digestive Side Effects of Collagen Supplements
  4. Why Can Collagen Cause Stomach Upset?
  5. How to Minimize the Risk of Stomach Upset
  6. The Importance of Selecting High-Quality Collagen
  7. Conclusion
  8. FAQ

Everywhere we turn, we see articles praising the benefits of collagen supplements — from enhancing skin elasticity to supporting joint health. Yet, for many of us, there lies an unspoken concern: can collagen supplements cause stomach upset? If you've ever experienced bloating, gas, or other digestive discomfort after introducing collagen into your routine, you're not alone.

At BUBS Naturals, we're passionate about wellness and the benefits of clean, high-quality supplements. In this post, we will delve into the relationship between collagen supplementation and digestive health, discuss potential side effects, and provide valuable insights to help you make informed choices about your wellness journey.

Introduction

Research shows that collagen is the most abundant protein in our bodies, making up about 30% of our total protein content. As we age, our natural collagen production decreases, leading many to seek supplements as a way to replenish this crucial protein. However, while collagen is widely regarded for its benefits, some individuals report experiencing stomach upset after taking it.

So, why does this happen? The truth is that our bodies respond differently to supplements, and factors like dosage, form, and individual digestive health play significant roles. In this blog post, we will explore:

  • What collagen is and its various forms
  • Common digestive side effects associated with collagen supplementation
  • How to minimize the risk of stomach upset
  • The importance of selecting high-quality collagen products

By the end of this post, we hope you'll have a clearer understanding of how collagen may affect your digestive health and the steps you can take to enjoy its benefits without the discomfort.

What is Collagen?

Collagen is a structural protein that serves as a building block for many tissues in the body, including skin, bones, tendons, and ligaments. There are over 28 types of collagen, but the most prevalent in the human body are Types I, II, and III, each serving unique functions:

  • Type I: Found in skin, tendons, and bones; it provides strength and structure.
  • Type II: Primarily located in cartilage, it helps cushion joints.
  • Type III: Found in skin and blood vessels, it supports elasticity and firmness.

Collagen supplements typically come in two forms: gelatin and hydrolyzed collagen (collagen peptides). Hydrolyzed collagen is broken down into smaller peptides, making it easier for the body to digest and absorb. This is crucial because the absorbability of collagen plays a significant role in its effectiveness and potential side effects.

Common Digestive Side Effects of Collagen Supplements

While many people enjoy the benefits of collagen without issue, some may experience stomach upset. The most common digestive side effects reported include:

  1. Bloating: This can occur when collagen attracts water in the digestive system, leading to a feeling of fullness or heaviness.
  2. Gas: The protein content in collagen can sometimes lead to gas production during digestion.
  3. Diarrhea: High doses of collagen or certain forms that are not easily digestible may result in diarrhea.
  4. Constipation: In some cases, individuals may experience constipation, particularly if they are not drinking enough water.
  5. Stomach cramps: Some users report mild cramping, which may be due to the body's adjustment to increased protein intake.

It's essential to remember that these side effects are generally mild and often temporary. Most people adapt to collagen supplementation over time, but if you experience persistent digestive issues, it is best to consult with a healthcare professional.

Why Can Collagen Cause Stomach Upset?

Several factors can contribute to stomach upset when taking collagen supplements:

1. Dosage

Taking too much collagen at once can overwhelm the digestive system, leading to discomfort. It's recommended to adhere to the suggested serving size on the product label, which for many collagen supplements ranges from 10 to 20 grams per day.

2. Type of Collagen

Different sources of collagen may affect digestion differently. For instance, collagen derived from fish might be better tolerated by some individuals than bovine or porcine sources. Additionally, the form (powder, capsule, or liquid) can play a role in how easily it is digested.

3. Individual Digestive Health

Everyone's digestive system is unique. Individuals with existing gastrointestinal issues, such as irritable bowel syndrome (IBS) or other sensitivities, may find that collagen exacerbates their symptoms.

4. Absorption

The molecular size of collagen peptides matters. Smaller peptides are generally easier to digest. If the collagen is not hydrolyzed properly, it may lead to digestive distress.

How to Minimize the Risk of Stomach Upset

If you're concerned about potential digestive issues from collagen supplementation, here are some strategies to help minimize discomfort:

1. Start with a Lower Dose

If you're new to collagen supplements, consider starting with a lower dose and gradually increasing it as your body adjusts. This can help your digestive system acclimate to the added protein.

2. Take with Food

Consuming collagen with meals can help ease digestion. Pairing it with other food can minimize the effects of bloating or discomfort.

3. Stay Hydrated

Drinking plenty of water throughout the day is crucial, especially when taking protein supplements. Adequate hydration can help prevent constipation and aid digestion.

4. Choose High-Quality Supplements

Opt for high-quality collagen supplements that are free of fillers and additives. At BUBS Naturals, our Collagen Peptides are grass-fed and hydrolyzed for optimal absorption, supporting not just your skin and joints, but overall wellness.

5. Listen to Your Body

Everyone's body reacts differently to supplements. If you notice persistent discomfort, consider speaking with a healthcare professional. They can help determine if collagen supplementation is right for you.

The Importance of Selecting High-Quality Collagen

Not all collagen supplements are created equal. When choosing a collagen product, consider the following:

  • Source: Look for collagen sourced from reputable suppliers, such as grass-fed bovine or wild-caught fish.
  • Hydrolyzed Form: Hydrolyzed collagen (collagen peptides) is easier to digest and absorb. Products like our Collagen Peptides are designed for optimal bioavailability.
  • Third-Party Testing: Ensure the product is tested by third-party organizations for quality and purity. This is crucial for avoiding fillers and ensuring you’re getting what you pay for.

Conclusion

In conclusion, while collagen supplements can offer numerous benefits for skin, joints, and overall wellness, they may also lead to stomach upset for some individuals. Understanding the potential side effects, being mindful of dosage, and selecting high-quality products can help you enjoy the benefits of collagen without discomfort.

As we continue to explore our wellness journeys, we at BUBS Naturals remain committed to providing clean, science-backed supplements that honor the legacy of Glen “BUB” Doherty. Together, let’s embrace adventure and wellness with confidence!

FAQ

Can collagen supplements really cause stomach upset?
Yes, some individuals may experience stomach upset, including bloating, gas, or diarrhea, particularly if they consume high doses or experience sensitivity to collagen.

What can I do if I experience stomach upset after taking collagen?
Consider starting with a lower dose, taking it with food, and ensuring you stay hydrated. If symptoms persist, consult a healthcare professional.

Is there a specific type of collagen that is easier to digest?
Hydrolyzed collagen (collagen peptides) is generally easier to digest and absorb than gelatin or larger collagen molecules.

How much collagen should I take daily?
A typical dosage ranges from 10 to 20 grams per day, but it's important to adhere to the recommended serving size on the product label.

What are some benefits of collagen supplementation?
Collagen can support skin health, joint health, muscle recovery, and overall wellness. Our Collagen Peptides are designed to help you maximize these benefits without the BS.

By understanding how collagen affects your body, you can make informed choices that support your health and wellness goals. Here’s to a life of adventure, wellness, and purpose!

*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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