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8 Ways Fermented Foods and Collagen Improve Gut Health

The health of your gut has a powerful ripple effect on your overall wellness. From digestion to immunity and even mental health, your gut microbiome—a collection of trillions of tiny microorganisms living in your digestive tract—plays a crucial role in keeping your body in balance. 

But how can we support and nurture this intricate system? 

Two key players stand out when it comes to improving gut health naturally—fermented foods and collagen.

Together, these powerful ingredients enhance nutrient absorption, strengthen the integrity of the gut lining, and combat bad bacteria, paving the way for a healthier, happier gut. 

Let's explore these eight ways fermented foods and collagen team up to transform your digestive health.

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Sheri and Gina shares  Hi, we're Sheri and Gina, the dynamic duo behind Yonder. As passionate health enthusiasts, we are dedicated to promoting natural wellness rooted in our faith. We believe that our bodies are beautifully designed by God, and by nurturing them with the best nature has to offer, we can honor His creation. We created Yonder to provide top-quality collagen products that support vibrant, youthful living. Our mission is to help others achieve radiant health from the inside out.

Hi, we're Sheri and Gina, the dynamic duo behind Yonder. As passionate health enthusiasts, we are dedicated to promoting natural wellness rooted in our faith. We believe that our bodies are beautifully designed by God, and by nurturing them with the best nature has to offer, we can honor His creation. We created Yonder to provide top-quality collagen products that support vibrant, youthful living. Our mission is to help others achieve radiant health from the inside out.

Benefits of Fermented Foods

Fermented foods like sauerkraut and kefir for improved gut health

We used to eat fermented whole foods here and there, but when we started eating them daily, we felt the benefits crystal clear! Fermented whole foods have WAY more probiotics than most probiotic supplements—they’re superior and truly life-changing!

This is a game-changer! Fermented whole foods like sauerkraut and kefir pack significantly more probiotics than most supplements. Incorporate them into your daily routine—aim for a serving or two throughout the day—to supercharge your gut health naturally! 

Fermented foods offer numerous health benefits due to the natural process of fermentation, which enhances their nutritional value and introduces beneficial bacteria known as probiotics. [1]

8 Key Benefits of Fermented Foods for a Healthy Gut

  1. Supports Gut Health: Fermented foods are rich in probiotics, which help maintain a healthy balance of gut bacteria. This can improve digestion, reduce bloating, and support overall gut function.  

  2. Boosts Immune System: A significant portion of the immune system resides in the gut. Probiotics from fermented foods can strengthen the gut barrier, reduce inflammation, and enhance immune responses.  

  3. Improves Nutrient Absorption: Fermentation helps break down food, making nutrients like vitamins B and K2, minerals, and amino acids more bioavailable. This ensures your body absorbs more nutrients from your diet.  

  4. Enhances Digestive Health: Fermented foods can improve the breakdown of complex carbohydrates, proteins, and fats, reducing digestive discomfort and making food easier to digest.  

  5. Supports Mental Health: The gut-brain connection means probiotics may play a role in mental health. Studies suggest fermented foods can reduce symptoms of anxiety, depression, and stress by positively affecting gut bacteria and neurotransmitter production.  

  6. Promotes Weight Management: By improving gut health, fermented foods may help regulate appetite, reduce cravings, and support metabolism, making weight management easier.  

  7. Contains Natural Antioxidants: The fermentation process increases antioxidant levels in some foods, helping fight free radicals and reducing oxidative stress in the body.  

  8. Preserves Food Naturally: Fermentation acts as a natural preservative, extending shelf life and enhancing flavor without artificial additives.

The fermentation process, which breaks down sugars in food using beneficial bacteria and live microorganisms, does much more than extend the shelf life of your favorite foods. It creates foods rich in probiotic bacteria, helping to deliver a healthy dose of strains of good bacteria to your gut microbiome.  

Fermented foods like yogurt, kimchi, and sauerkraut are teeming with probiotics such as lactic acid bacteria, which strengthen your gut’s natural barrier by populating it with good bacteria. They also promote balanced digestion by improving digestive enzyme activity, reducing bloating, and fighting chronic inflammation. [2

These effects are critical for gut repair and healing, especially if you struggle with conditions like irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or leaky gut syndrome. Evidence also shows that fermented foods can reduce stress on the gastrointestinal tract, offering relief from common digestive issues. [3

Fermented Foods and Immune Health  

A whopping 70% of your immune system resides in gut-associated lymphoid tissue, making the gut a first-line defender against illness. 

The probiotic-rich active cultures found in fermented foods support immune function by enhancing the immune response and reducing gut permeability. Fermented foods are your gut’s ultimate ally, from aiding digestion to boosting immunity. 

Best Fermented Foods for Gut Health  

Adding fermented foods to your balanced diet is one of the easiest ways to improve gut health. Packed with live cultures and probiotic supplements, these foods work wonders for balancing your microbiome and enhancing nutrient absorption. [4

A List of Gut-Healing Superstars  

Here are some of the best fermented foods for promoting a healthy gut microbiota and digestive health:  

  • Yogurt – Rich in active cultures that improve digestion and boost immune function.  

  • Kefir – A tangy, drinkable option loaded with lactic acid bacteria and carbon dioxide-producing probiotic strains.  

  • Kimchi and Sauerkraut – Low-calorie staples filled with vitamin C, organic acids, and natural antioxidants that fight free radicals.  

  • Tempeh and Miso – Great sources of gut-friendly protein and vitamin K, created through ancient fermentation techniques.  

  • Fermented pickles and kombucha – Quick, tasty snacks or beverages filled with gut-nourishing natural probiotics.  

To enjoy these beneficial effects, aim to eat a serving of fermented foods daily. They're versatile, making them easy to include in meals or snacks.    

What Is the Best Gut Healing Food?  

When it comes to healing the gut, few foods offer as many health benefits as fermented foods and collagen-rich foods like bone broth. [5]

Here's why these foods stand out as some of the most gut-friendly options you can choose.  

  • Bone broth is packed with amino acids, including glycine, which supports collagen production and gut lining repair. It also contains organic acids and bioactive compounds that soothe the digestive tract. [6]  

  • Miso soup, sour cabbage, and apple cider vinegar shine as sources of natural probiotics and acetic acid, helping encourage the growth of beneficial microorganisms. [7]

  • Whole grains, when fermented or paired with fermented foods, feed prebiotic fibers to your gut, further supporting a thriving ecosystem of good bacteria.  

Combining fermented foods with collagen sources like bone broth creates a synergy that lays the foundation for sustainable, better gut health.  

Related Post: Gelatin Bone Broth vs Collagen Peptides: Which is Better?

Who Should Avoid Fermented Foods

While fermented foods offer many health benefits, certain individuals may need to limit or avoid them. 

Here are some groups to consider:

  • Individuals with histamine intolerance: Fermented foods are rich in histamine, which can trigger allergic reactions or gastrointestinal discomfort in sensitive individuals.

  • Those with compromised immune systems: The live bacteria and yeast in fermented foods can pose risks to people with weakened immune systems, potentially leading to infections.

  • Pregnant and breastfeeding women: Some fermented foods may harbor harmful bacteria or toxins that could affect the health of the fetus or baby.

  • Infants and young children: The immature digestive systems of infants and young children may struggle to process the bacteria and enzymes found in fermented foods.

  • People with gastrointestinal disorders: Conditions such as irritable bowel syndrome (IBS), Crohn's disease, or ulcerative colitis may be aggravated by fermented foods, potentially worsening symptoms.

  • Individuals taking certain medications: Fermented foods can sometimes interact with medications like antibiotics or blood thinners, reducing their effectiveness or causing adverse effects.

  • People with food allergies: Anyone allergic to ingredients commonly found in fermented foods, such as dairy, soy, or wheat, should avoid them altogether.

For most people, fermented foods are safe and can be enjoyed in moderation. However, consult a healthcare professional for personalized guidance if you notice adverse reactions after consuming them. 

Dirt on Locally Grown Produce

Sheri talks about  ways to include daily probiotics in your diet for gut health

The dirt on organic, locally grown produce can provide a natural source of soil-based probiotics (or soil-based organisms, SBOs), which are beneficial bacteria found in healthy soil. 

These microbes may offer several probiotic benefits:

  • Immune Support: They may enhance immune function by stimulating the gut-associated lymphoid tissue (GALT), which plays a critical role in immune defense.

  • Improved Gut Health: Soil-based probiotics can help balance gut microbiota, supporting digestion and nutrient absorption.

  • Diverse Microbiome: Exposure to a variety of natural bacteria helps diversify the gut microbiome, which is linked to better overall health.

  • Anti-inflammatory Effects: SBOs can help reduce inflammation by promoting a healthy gut lining and supporting the production of short-chain fatty acids.

  • Resilience to Pathogens: They may help the gut resist harmful bacteria by creating a competitive environment and producing antimicrobial compounds.


Enjoy lightly rinsed organic produce instead of overly sanitized fruits and vegetables to benefit. This allows for a balance between cleanliness and retaining beneficial microbes. 

Always ensure your produce is free from harmful contaminants or pesticides! We buy our vegetables from our local organic farms. 

Eating local organic produce, what is in season and from organic soil, brings natural probiotics from the soil on the vegetables into your digestive tract and helps aid in digestive health. 

Eating from LOCAL organic farms is key to getting what your body needs best in our local environment.

Does Collagen Improve Gut Health?  

Collagen is the most abundant protein in the human body, playing a key role in maintaining the structure and strength of your connective tissues, including skin, bones, and muscles. [8]  

Related Post: 10 Proven Benefits of Collagen Peptides for Women

But did you know it’s also essential for gut health? 

Collagen contains amino acids like glycine and proline, which help repair the gut lining, support digestion, and reduce inflammation, making it an important component for overall wellness.* [9]

Whether it’s through supplements or collagen-rich foods, incorporating it into your routine can have benefits far beyond just your skin and joints.

Related Post: What is a Gut Microbiome and 5 Tips to Keep it Healthy

Gut Lining Repair  

Collagen provides amino acids like glycine, proline, and glutamine, which are crucial for maintaining the integrity of the gut lining.* 

This layer acts as a shield, preventing harmful toxins and bad bacteria from entering the bloodstream. 

Collagen strengthens this barrier, making it particularly effective for conditions like leaky gut.*  

Digestive Support  

Beyond repair, collagen regulates stomach acid production and soothes the digestive tract, helping nutrients get absorbed more effectively. 

It also encourages balance in the gut's microbiota, enhancing overall digestive health.  

Related Post: What is a Gut Microbiome and 5 Tips to Keep it Healthy

Reduced Gut Inflammation  

Collagen has a proven positive effect on inflammation. 

Studies suggest it can benefit those dealing with inflammatory bowel disease, calming the gut lining and leading to improved digestion and fewer symptoms.* [10

Adding collagen to your daily routine is a natural, effective way to mend and strengthen your gut.*  

Best Collagen for Gut Repair  

Choosing the right collagen is essential for maximizing its potential health benefits for the gut and overall well-being. 

With so many options available, selecting a high-quality product that suits your needs is important. 

Here’s what to look for, including types of collagen, sourcing, and additional ingredients, and how to use it effectively in your daily routine for the best results.

Types of Collagen  

  • Bovine collagen (Type I and III) is the gold standard for gut repair. It's easily absorbed and provides the highest levels of the amino acids your gut needs.   

Related Post: Collagen vs Collagen Peptides: Differences and Benefits

Quality Matters  

  • Opt for grass-fed, additive-free collagen powders for maximum nutritional value.  

  • Consider products with clinical backing, such as collagen peptides like Yonder Collagen, which blend seamlessly into coffee or smoothies.  

Usage Tips  

  • Daily dose recommendation: 5-10g for basic gut support, 10-20g for enhanced results.  

  • Timelines: Most people see improvements in symptoms like better digestion and stronger gut integrity within 4-8 weeks.  Consistency and lifestyle factors also play a role. 

Why Choose Yonder Collagen Peptides?  

Daily use of Collagen Peptides for gut health, supporting digestion and overall wellness.Yonder Collagen Peptides are thoughtfully crafted to support gut health and well-being. 

Sourced from 100% grass-fed, pasture-raised cattle, Yonder collagen is designed to be clean, effective, and easily incorporated into your daily routine. 

Related Post: How We Source and Make Our Collagen: Our Commitment to Quality

Our collagen peptides are hydrolyzed for optimal absorption, helping to strengthen your gut lining, support skin elasticity, and promote joint and bone health.* 

Free of additives, hormones, and artificial ingredients, Yonder provides a simple, health-conscious solution that aligns with your wellness goals.

Simple Ways to Add Collagen and Fermented Foods Into Your Daily Routine  

You don’t need to overhaul your lifestyle to enjoy the benefits of collagen and fermented foods for gut health. 

Here are easy ideas to get started.  

  • Pair yogurt with a scoop of chocolate or vanilla collagen powder for a powerful morning snack.  

  • Add kimchi or sauerkraut to rice bowls or protein-packed meals.  

  • Stir flavorless collagen into bone broth or soups for a comforting dinner packed with amino acids.   

  • Snack on fermented pickles or sip kombucha as mid-day gut boosters.  

By making these nutrient-dense foods part of your routine, you'll nurture both your digestive health and your overall health.  

Related Post: 9 Ways to Use Yonder Collagen

Ideas for Eating SauerKraut and Kimchi

SauerKraut and Kimchi  in your diet for gut health
  • German Knockwurst with Sauerkraut and dijon mustard!!!!  EASY and delicious lunch or quick dinner. 
  • We make a small bowl of Kimchi for a snack, Kimchi is a bit of an acquired taste, a bit tangy by itself but we like it!  Korean food serves a small portion of Kimchi with almost every meal they eat.

Final Thoughts  

Fermented foods and collagen are two of the most powerful ingredients to support a healthy gut. 

Fermented foods feed your microbiome with beneficial microorganisms and probiotics, while collagen strengthens the gut lining and repairs the gastrointestinal tract. 

Together, they work to improve digestion, boost immune function, and reduce inflammation, making them vital tools for gut health and overall well-being.  

Take small, consistent steps to include these natural allies in your daily routine. 

By doing so, you’ll enjoy a healthier gut and support better skin, mental clarity, and vitality across your human body. 

A healthier you starts from the inside out!  

Embark on your journey to feeling vibrant and healthy—try Yonder Collagen Peptides today!

Shop Yonder Clean Collagen:

Sheri and Gina talks about Ways to add probiotics in your diet for gut healthWe're Sheri and Gina, the founders of Yonder, a clean collagen company born from our childhood friendship and shared health struggles. Through our faith and dedication to natural wellness, we discovered the transformative power of clean nutritional ingredients, including pure collagen peptides. Now, we want to share this with you. Trust in our firsthand experience and join us on the path to optimal wellness with Yonder - pure, clean, and potent. To learn more about our story and mission, visit our 'Our Story' page.

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