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Gut Health: Why Diversity in the Gut, Balance & Daily Care Are Essential

Written by Johanna Schneider – Holistic Health Coach



1. Small Intestine – the place of nutrient absorption & pH balance


The small intestine is the area where:

  • nutrients are absorbed

  • the pH level is regulated

  • the mucosal barrier needs consistent care

  • digestive enzymes do their work

  • carbohydrates, fats, and proteins are broken down


When the small intestine isn’t functioning optimally (for example due to stress, inflammation, SIBO, infections, or a weakened mucosal lining), even the healthiest diet can’t be fully absorbed.


This can lead to:

  • fatigue despite eating well

  • brain fog

  • bloating

  • nutrient deficiencies

  • skin issues

  • food intolerances


The small intestine is therefore essential for energy & balance.


2. Large Intestine – Home of the Microbiome & Center of the Immune System


In the large intestine lives the microbiome, the entire community of gut bacteria. This is where some of the most important processes for your long-term health take place:


  • Around 80% of the immune system is located in the gut

  • About 90% of serotonin is produced in the gut

  • This is where fiber is fermented

  • This is where short-chain fatty acids such as butyrate, propionate and acetate are produced — all of which help reduce inflammation, strengthen the gut lining, and play a major role in energy, metabolism and immune health


A diverse gut microbiome is a sign of resilience & well-being. A low-diversity microbiome is a sign of imbalance & increased risk.


Why diversity is so important


The more diverse your microbiome is, the:


  • more stable your digestion becomes

  • better your immune system is regulated

  • lower your inflammation levels tend to be

  • more balanced your mood feels

  • stronger your stress resilience becomes

  • lower your long-term risk of certain diseases is


Many bacterial strains can now even give insights into which health tendencies your body may develop over time.


Microbiome Analysis – A Look Behind the Scenes


I personally have my microbiome tested once a year to see:


  • how diverse my bacterial strains are

  • whether any inflammation markers or dysbioses are present

  • if my gut lining needs support

  • which bacteria are dominant

  • whether my gut is in balance


A microbiome analysis provides an incredibly clear picture of what your gut needs.


What Happens When “Good” Bacteria Are Properly Fed


Good gut bacteria love:

  • Fiber

  • Vegetables

  • Legumes

  • Prebiotic foods (e.g., oats, chicory, onion, garlic)


When they get this nourishment, they produce butyrate and other short-chain fatty acids, which:

  • Regulate inflammation

  • Strengthen the gut lining

  • Support the gut barrier

  • Stabilize blood sugar

  • Calm the nervous system

  • Improve energy production


That is true gut balance.


What Happens When “Bad” Bacteria Are Fed


If you mainly consume:

  • Sugar

  • Processed foods

  • Alcohol

  • Artificial sweeteners

  • Highly processed snacks

    …bacteria that:


  • Release toxins when they die

  • Promote inflammation

  • Weaken the gut lining

  • Overload the immune system

  • Cause digestive issues

…will multiply.


This leads to:

  • Bloating

  • Fatigue

  • Brain fog

  • Skin problems

  • Mood swings

  • Intolerances or malabsorption

  • Weakened immunity


The gut is a mirror of your lifestyle.




Why Being “Sterile” Makes You Sick – and “A Little Dirt” Is Healthy


Modern apartments, disinfectants, sterile environments, and germ-free foods do NOT make us healthier.

As books like Gut with Charm, Dirt Makes You Healthy, and Dr. Strunz explain:


  • Children who have more contact with soil, animals, nature, and “dirt” develop stronger immune systems

  • A sterilized lifestyle promotes allergies, asthma, and intolerances

  • The body needs microbes to build defenses

  • Environmental diversity → gut diversity


Humans Are Microbiome Beings. Too Sterile = Too Little Training for the Immune System.

Conclusion: Gut Health Is Balance


A healthy digestion needs:

  • A diverse microbiome

  • A properly functioning small intestine

  • A strong gut lining

  • The right nutrition

  • Less stress

  • Regular microbiome analyses

  • And the right “fuel” for the good bacteria


When you support balance, you automatically support:


  • Energy

  • Immune system

  • Hormones

  • Mood

  • Inflammation regulation

  • Mental health

Your gut is the root of your health.

Do you want to understand your microbiome better?


I’m happy to help you:

  • Choose the right tests

  • Better understand your results

  • Create a practical, everyday plan

  • Adapt your nutrition & lifestyle to your gut

  • Look at symptoms and imbalances holistically


Just write to me – I’ll help you get your gut back into balance.



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