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Gastrointestinal tract

Gut and microbiome: the key to health

Intestinal health is a topic that is receiving increasing attention - and rightly so. The gut plays a central role in the human body and is responsible for much more than just digestion. Our gut and its microorganisms, the so-called microbiome, are closely linked to our overall physical and mental health. Researchers refer to the gut as our "second brain" for good reason, as the nervous system of the gut communicates with the brain and our emotions, Immune defense and even cognitive abilities.

The microbiome, which is made up of billions of bacteria and microorganisms, has become the focus of medical research in recent years. These invisible helpers play a key role in ensuring that the body processes food effectively, absorbs vitamins and nutrients and maintains the immune system. Immunesystem can strengthen us. A healthy microbiome therefore not only supports physical health, but also promotes our mental well-being. But how can we optimally promote the microbiome and what influence does our lifestyle have on its composition? The answers to these questions provide valuable information on how we can keep ourselves healthy in a holistic way.

1. why the gut is so important

The intestine is the longest organ of the human digestive system and stretches from the stomach to the anus. It is divided into different sections - such as the small and large intestine - each of which fulfills specific functions. The primary function of the intestine is to absorb nutrients from food and pass on waste products, which are then excreted. However, there is much more to this important digestive task.

The intestine is connected to the central nervous system via the so-called enteric nervous system, also known as the abdominal brain. This network of nerve cells in the gut communicates directly with our brain and influences numerous bodily functions. It explains why we often make decisions "from the gut" or why our stomachs "turn" when we are stressed. The close connection between the gut and brain is now well researched and is known as the gut-brain axis. This connection plays a central role in mental health and can affect our mood, our sleep and our ability to cope with stress.

But the importance of the gut goes beyond emotional well-being. The gut is home to around 70% of our body's immune cells and is therefore an essential part of the immune system. It protects us from harmful bacteria and viruses that could enter the body through food. A healthy Intestinal flora is therefore an important factor for a strong Immunesystem and contributes significantly to the defense against diseases.

2. understanding the gut microbiome

The gut microbiome is a fascinating and complex network of trillions of microorganisms that live in our digestive tract. These tiny helpers consist mainly of bacteria, but also viruses, fungi and other microbes. Together they form a unique ecosystem that is hard to beat in terms of diversity. In fact, every person has an individual microbiome that is as unique as a fingerprint. The diversity and balance of microorganisms in the gut are crucial for health, as the different bacteria each perform specific tasks. 

A healthy microbiome is characterized by a balanced composition of microorganisms. Beneficial bacteria such as Lactobacillus and Bifidobacterium are known for their positive effects on digestion and the immune system. Immunesystemas they support the production of vitamins and short-chain fatty acids and can have an anti-inflammatory effect.

On the other hand, certain bacteria that proliferate due to an unhealthy diet or stress can disrupt the balance in the gut and promote inflammation.

The balance between "good" and "bad" bacteria in the microbiome is therefore crucial. If this balance is thrown off course, this is known as dysbiosis. This disorder can cause a variety of health problems, ranging from digestive complaints such as flatulence and diarrhea to skin problems, allergies and a weakened immune system. Immunesystem rich. A stable and diverse microbiome is therefore the basis for healthy digestion and a strengthened immune system. Immunesystem. Current research suggests that the microbiome has far-reaching effects on general health and can even influence susceptibility to chronic diseases.

3. factors influencing the microbiome

The microbiome is a sensitive ecosystem that can easily be thrown out of balance by the various influences of everyday life. One of the most important factors that determines the composition of the microbiome is diet. A high-fiber diet with plenty of fruit, vegetables and whole grain products supports beneficial intestinal bacteria and promotes their proliferation. Fermented foods such as yoghurt, sauerkraut or kimchi in particular provide valuable probiotics that stimulate the growth of healthy bacteria. Unhealthy eating habits, on the other hand - such as a diet high in sugar, processed foods and red meat - can promote the growth of harmful bacteria and disrupt the balance of the microbiome.

In addition to diet, lifestyle habits such as sleep and exercise also play an important role for the microbiome. Sufficient sleep is crucial, as the body regenerates at night and the Immunesystem strengthens. Studies show that a lack of sleep and an irregular sleep rhythm can have a negative impact on the microbiome. Regular physical activity also helps to support the microbiome and promote the diversity of bacteria.

Stress is another factor that can have a significant impact on the microbiome. Chronic stress can weaken the intestinal barrier and promote inflammatory processes, disrupting the balance in the gut. This is because stress hormones such as cortisol can influence the growth of certain bacteria and thus lead to dysbiosis. The intake of medication, especially antibiotics, also plays an important role. Antibiotics destroy both harmful and beneficial bacteria, often leaving an unbalanced microbiome that takes a long time to recover.

Finally, there are also genetic factors that influence the composition of the microbiome. Although a person's genes alone do not determine the microbiome, they do indicate which types of bacteria prefer to colonize the gut. However, environmental factors and lifestyle choices play an equally, if not greater, role. A conscious lifestyle with a healthy diet, regular exercise and stress management is therefore the best way to support the microbiome in the long term and promote good gut health.

Plate with food separated in the middle. On one side is fruit and vegetables, on the right is fast food.

4. microbiome and immune system

The intestine plays a central role in our Immunesystemas around 70 % of immune cells are located there. The gut microbiome works closely with the immune system to create a strong intestinal barrier that protects us from pathogens. Beneficial bacteria produce short-chain fatty acids and antimicrobial substances that strengthen intestinal cells and ward off harmful germs. In this way, the microbiome helps to ensure a stable intestinal defense and maintain a balance between "good" and "bad" microorganisms.

In addition, the microbiome "trains" the immune system to avoid excessive reactions, which is important for protection against chronic inflammation and autoimmune diseases. A healthy microbiome reduces the risk of diseases such as Crohn's disease, Allergies and other inflammatory diseases.

However, a disruption in the microbiome, for example due to an unhealthy diet or antibiotics, can weaken the intestinal barrier and Immunesystem overstrain. This can make the intestinal wall permeable (Leaky Gut), which can cause particles to enter the bloodstream and trigger immune reactions. A balanced diet with prebiotic and probiotic foods is therefore essential to strengthen the microbiome and keep the immune system resilient.

5. gut and mental health

The microbiome not only plays a role in our physical health, but also has an amazing influence on our mental health. The so-called gut-brain axis describes the direct connection between the gut and the brain, which runs via nerve pathways and biochemical signals. This connection influences our mood, stress levels and even cognitive functions such as concentration and memory.

Certain intestinal bacteria produce neurotransmitters such as serotonin, which is known as the "happiness hormone" and ensures a good mood. In fact, a large proportion of the body's serotonin is produced in the gut. A healthy microbiome can therefore help to promote emotional balance and reduce stress. Studies show that a disturbed Intestinal floracan be associated with an increased risk of depression, anxiety disorders and sleep problems.

Chronic stress also has a negative impact on the microbiome and can reduce the diversity of beneficial bacteria, leading to an imbalance. This vicious circle between stress and gut health shows how closely gut and mental health are linked. Therefore, a gut-friendly diet and healthy lifestyle habits such as regular exercise and stress management are important building blocks for mental wellbeing.

Gut-brain axis; brain and gut models connected by black circular arrows on a pink background.

6. symptoms of a disturbed intestinal flora

A disturbed Intestinal floraalso known as dysbiosis, can manifest itself in many ways and affects not only digestion but also other areas of health. The most common symptoms include digestive problems such as bloating, diarrhea, constipation and general abdominal discomfort. These symptoms occur when the balance of bacteria in the gut is disturbed and digestion no longer runs smoothly.

However, dysbiosis can have far-reaching effects. Many people with a disturbed Intestinal flora also suffer from skin problems such as acne, eczema or rosacea. This is due to the fact that a disturbed Intestinal flora can promote inflammatory processes in the body, which also show up on the skin. Also the Immunesystem is often affected: Those who repeatedly suffer from infections or Allergies could benefit from a strengthening of the microbiome, as the intestinal microbiome contributes significantly to the immune defense.

The possible long-term consequences of chronic dysbiosis include an increased susceptibility to chronic diseases such as Irritable Bowel Syndromeautoimmune diseases and even Metabolismdisorders such as obesity and Diabetes. An imbalance in the microbiome can also increase inflammation in the body, which increases the risk of inflammatory diseases.

Symptoms of a disturbed Intestinal flora are therefore often subtle and can manifest themselves through various systems in the body. If symptoms persist, it can be useful to specifically promote intestinal health - for example through a conscious diet, probiotics and a reduction in stress factors.

7. medicinal plants for your gut

The Milk Thistle is known for its liver-protecting properties, but it also plays an important role in promoting intestinal health. The active ingredient silymarin, which is contained in the seeds of milk thistle, has an antioxidant and anti-inflammatory effect. By supporting liver function, milk thistle helps to remove toxins from the body more effectively, which indirectly also improves intestinal health. Intestinal Health promotes digestion. It can also stimulate digestion, protect the mucous membranes in the digestive tract and reduce inflammatory processes in the intestine, which can be particularly helpful for chronic digestive problems.

The Mandrake is a traditional plant that was used in the past for its alleged magical and healing properties. With regard to the Intestinal Health mandrake contains alkaloid compounds that can have antispasmodic and pain-relieving effects. These properties can be helpful for gastrointestinal complaints such as cramps or colic.

The Goldenseal root is a medicinal plant that is traditionally used to support digestion and intestinal health. It contains the active ingredient berberine, which has antibacterial, anti-inflammatory and anti-fungal properties. These effects can help to reduce harmful bacteria in the gut and restore the balance of the intestines. Intestinal flora to promote. 

Okoubaka is often used in homeopathy to support intestinal health. It is known for its detoxifying properties and is often used for gastrointestinal complaints, especially poisoning, food intolerances and diarrhea. Okoubaka is said to help bind and eliminate harmful substances from the digestive tract, thereby relieving the intestines. It also supports the balance of the Intestinal florawhich can contribute to better digestion and general gastrointestinal function.

Bolus Alba is a natural remedy that is often recognized for its positive effects on the Intestinal Health is highly valued. It is a fine clay mineral that is able to bind and eliminate toxins and excess acids in the digestive tract. As a result, Bolus Alba can help to relieve the intestines and Intestinal flora to support you. Especially for gastrointestinal complaints such as diarrhea or Irritable bowel it can have a calming effect by developing anti-inflammatory properties and protecting the mucous membranes.

With natural methods, such as the individual spagyric mixtures from Zimply Natural, your complaints can be relieved naturally and sustainably.

8. promote intestinal health

Promoting gut health requires a combination of a conscious diet, a healthy lifestyle and effective habits that support the balance of the microbiome. A high-fiber diet plays a central role in this. Fiber, which is found in fruits, vegetables, legumes and whole grains, feeds beneficial gut bacteria and promotes their growth. Fermented foods in particular, such as yoghurt, sauerkraut, kimchi and kefir, are rich in probiotics - living microorganisms that strengthen the microbiome and promote a healthy gut. Intestinal flora support.

In addition to diet, prebiotics are also important, i.e. certain dietary fibers that promote the growth of beneficial bacteria. Prebiotics are found in foods such as onions, garlic, asparagus and bananas. A high proportion of prebiotic foods can help to increase the beneficial bacteria in the gut and keep the microbiome stable.

Stress Management is another important aspect for a healthy Intestinal flora. Chronic stress can unbalance the microbiome and reduce the number of beneficial bacteria. Regular exercise, mindfulness exercises or relaxing activities such as yoga help to reduce stress and have a positive effect on gut health. Restful sleep is also important, as the body and the Immunesystem regenerate during the night.

Environmental toxins and unnecessary medication can also affect the microbiome. Careful use of antibiotics - only when they are really necessary - is crucial, as these drugs destroy not only harmful but also beneficial bacteria. Through a conscious lifestyle and regular care of the microbiome, you can promote your intestinal health in the long term and contribute to a strengthened gut. Immunesystem and better well-being.

9. probiotics and prebiotics

Probiotics and prebiotics are two essential components of a gut-friendly diet and play an important role in building and maintaining a healthy microbiome. Probiotics are living microorganisms that, when consumed in sufficient quantities, have positive effects on the microbiome and intestinal health. They are found in fermented foods such as yogurt, kefir, sauerkraut and kimchi. These "good" bacteria support the balance of the Intestinal floraby displacing harmful microorganisms and promoting digestion. The regular intake of probiotics can be particularly helpful in rebuilding the microbiome after antibiotic treatment.

Prebiotics on the other hand, are indigestible food components that serve as "food" for the beneficial bacteria in the gut. They promote the growth and activity of probiotics and are found in foods such as chicory, garlic, onions, asparagus and oats. A diet rich in prebiotic fibers supports the diversity of the microbiome and helps to maintain a healthy gut. Intestinal flora stable and resistant.

Person holding a collection of tablets and antibiotics.

For many people, the additional intake of probiotic supplements can be useful, especially in times of stress or after antibiotic therapy. It is important to choose high-quality probiotics with different bacterial strains, as different strains can have different effects. Combined with prebiotic foods or supplements, the microbiome can be specifically promoted and a healthy intestinal environment created.

10. FAQ: Questions about gut health

How quickly can changes in diet affect the microbiome?

Dietary changes can influence the microbiome surprisingly quickly - initial changes can often be measured within 24 to 48 hours. With a sustainable change, such as the introduction of a high-fiber or plant-based diet, significant improvements in the microbiome can be seen within about a week. The full effect on the balance and diversity of intestinal bacteria usually develops over several weeks to months.

What are typical mistakes people make when it comes to their gut health?

A common mistake for gut health is a low-fiber diet, which provides little food for beneficial bacteria and reduces their diversity. In addition, many people damage their microbiome through excessive consumption of sugar and highly processed foods, which promote the growth of harmful bacteria and disrupt the balance. Antibiotics are often used indiscriminately and lead to the destruction of important gut bacteria without a targeted rebuilding process. Stress and irregular sleep are also often underestimated, although they can put considerable strain on the microbiome and affect gut health.

Is it possible to permanently improve the microbiome or do you have to constantly maintain it?

It is possible to improve the microbiome in the long term, but it requires regular maintenance to keep the balance stable. One-off changes are often not enough, as the microbiome reacts dynamically to factors such as diet, stress and lifestyle. The microbiome can be strengthened in the long term through a continuously high-fiber and varied diet, regular exercise and stress-reducing measures. These positive habits promote the diversity of intestinal bacteria and help to maintain a healthy intestinal environment in the long term.

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