Tag Archives: Immunsystem

The impact of COVID-19 on the gut microbiome

Although COVID-19 is primarily a respiratory disease, there is growing evidence that the gut microbiome is involved in this disease. Depending on which bacteria are present, the gut microbiome can improve or worsen the course of the disease. The influence of our gut also seems to make sense because it contains about 80% of our immune system

The immune system is a defence system that encompasses many biological structures and processes within an organism and protects against disease. To function properly, an immune system must recognise a variety of pathogens and distinguish them from the organism’s own healthy tissue.

Often intestinal symptoms are the only symptoms 

It is now known that the Corona virus not only affects the respiratory tract, but also other organs, such as the gut microbiome. Scientists from Canada analysed 36 studies and found that 18% of those affected suffered from digestive problems such as loss of appetite, nausea, vomiting, diarrhoea and abdominal pain. In 16% of corona patients, intestinal problems were the only symptoms.

Around 80% of immune cells are located in the gut

Changes in the gut microbiome in severe cases of corona

It is already known that an overreaction of the immune system to the coronavirus influences the course of the disease. If the immune system acts too strongly against the pathogen, then stronger side effects and more frequent complications occur. As we already know, the gut microbiome plays an important role in regulating the immune system. Around 80% of immune cells are located in the gut. A healthy gut microbiome balances the immune system, prevents too strong defence reactions and at the same time has a positive effect on an immune system that is too weak. 

Relationship between microbiome, severity and course of disease

Scientists at the Chinese University of Hong Kong have now been able to prove connections between a disturbed microbiome (dysbiosis), the severity and the course of a corona infection. For this purpose, stool samples from 87 infected patients were analysed, as well as from 13 people who were just recovering from the Corona infection. These were compared with 78 stool samples that had already been obtained from healthy individuals before the Corona pandemic. The analysis showed clear differences between infected and healthy people.

When the intestinal microbiome is out of balance (dysbiosis)

In the study, severe courses of disease were associated with a deficiency of certain bacteria. Faecalbacterium prausnitzii and Bifidobacterium bifidum were particularly deficient. Even after the infection had subsided, these bacteria were still present in insufficient numbers. At the same time, a correlation between a disturbance of the gut microbiome and the level of different inflammation parameters was found.

It is suspected that an imbalance of the gut microbiome (dysbiosis) could be responsible for the extent of the disease, as this can lead to a dysregulation of the immune system

The basis of a healthy gut microbiome and immune system is proper diet and lifestyle

Further research is needed

There are still many unanswered questions in this area, but what is certain is that a gut microbiome that is out of balance is responsible for many ailments and affects our overall health and well-being. We recommend checking the gut microbiome regularly and consciously ensuring a strong gut microbiome and immune system through diet and lifestyle.


Lui, K., Wilson, M.P. & Low, G. Abdominal imaging findings in patients with SARS-CoV-2 infection: a scoping review. Abdom Radiol (2020) 

Yun Kit Yeoh et al; Gut microbiota composition reflects disease severity and dysfunctional immune responses in patients with CORONA; Gut BMJ Journals (2021)

How “grandma’s” cooking contributes to your immune defense!

Everyone knows how important it is to strengthen the immune system, especially during this challenging time. Most of us know the recommendations of super expensive superfoods or supplements.

However, is it necessary to consume acai berries or moringa to strengthen the immune system? NO! Not only we, but also our grandparents can breathe a sigh of relief, because grandma’s home cooking also strengthens your immune system!;-)

Why grandma’s cooking can strengthen your immune system…

Most of us associate Sauerkraut immediately with grandmother’s kitchen. The history of sauerkraut lies far back, because already in the 17th Jhd. one knew sauerkraut very much to estimate. At that time, many people fell ill with Skorbut, a disease that resulted from lack of vitamin C .

To counteract this, Captain James Cook introduced sauerkraut as a staple food for his sailors and was thus able to completely banish scurvy from his ships. (1)

Sauerkraut is produced from fresh white cabbage by lactic acid fermentation. Here, the sugar in the cabbage is converted into lactic acid by bacteria. 🙂

Today we present you a typical Austrian recipe with the Vitamin C bomb sauerkraut . Especially now that Corona is a topic, it is quite important to pay attention to the intestine. We were allowed to meet the Weight Watchers quite personally at the beginning of November and have one of their wonderful recipes nachgekocht.

This is the Lower Austrian dish Krautfleisch. The special thing about this recipe is not only that it was changed by the recipe change from the hearty to the lighter variant but also that it tastes wonderful and additionally strengthens the immune system.

Here we go to cut goulash meat 😀

The contained sauerkraut provides particularly high levels of vitamin C. By heating the sauerkraut, it contains in the cooked state even more vitamin C than in the raw state. (2)

In addition, sauerkraut is one of the probiotic foods because lactic acid bacteria are added during the fermentation of the white or pointed cabbage. (3)

These probiotics are particularly healthy for your intestine. In addition, the cabbage meat scores, because the iron of the meat can be better absorbed by the body due to the high amount of vitamin C from sauerkraut.

A little tip: to reduce the flatulence due to the sauerkraut, it helps to add caraway . The cuminaldehydes contained in caraway seeds support the formation of digestive juices, which has a positive effect on your digestive processes and can therefore improve them. (4)

Cabbage meat with parsley potatoes and skyr. Yumm 🙂


For 4 servings

Preparation time approx. 30 min.

  • 400g lean pork goulash (from the shoulder)
  • 2 medium onions
  • 1 tablespoon vegetable oil
  • 500g sauerkraut
  • 3 tablespoons paprika powder (sweet)
  • 1 tsp caraway
  • 2 bay leaves
  • 2 tsp marjoram
  • Âœ l vegetable soup
  • Oil, salt, pepper
  • Parsley
  • Skyr
  • Side dish: boiled potatoes


Peel and dice the onions and fry them in 1 tablespoon of oil. Add meat and roast. Mix in spices. Add soup and simmer for 10 minutes. Add sauerkraut and simmer the cabbage for about 20 minutes. Season to taste with salt and pepper. Refine with Skyr, parsley and chili. As a garnish, parsley potatoes are suitable. (4)

Enjoy your meal 🙂

We want to support you!

Now is the best time to boost your immune system from the inside out. We at myBioma know: Health starts in the gut. That’s why we’ve come up with a BLACK WEEK promotion for you. From Monday, 11/23/2020 to Sunday, 11/29/2020 you get 20% off myBioma gut microbiome analysis. Here you can order your analysis directly to your home. Also feel free to check out our sample report, if you have any questions we are always here for you: service@mybioma.com

Because we trust your gut!

Sources: (1) Carpenter, K. J.: The History of Scurvy and Vitamin C (Die Geschichte von Skorbut und Vitamin C). Cambridge University Press, Cambridge 1986;

(2) Gerhard G. Habermehl, Peter E. Hammann, Hans C. Krebs und W. Ternes: Naturstoffchemie: Eine EinfĂŒhrung. Springer Verlag Berlin, 3. vollst. ĂŒberarb. u. erw. Auflage 2008, ISBN 978-3-540-73732-2, S. 666.

(3) Health benefits of fermented foods: microbiota and beyond. Maria L Marco 1, Dustin Heeney 1, Sylvie Binda 2, Christopher J Cifelli 3, Paul D Cotter 4, Benoit Foligné 5, Michael GÀnzle 6, Remco Kort 7, Gonca Pasin 8, Anne Pihlanto 9, Eddy J Smid 10, Robert Hutkins 11

(4) Singh RP, et al. Cuminum cyminum – A Popular Spice: An Updated Review. Pharmacogn J. 9(3):292-301 (2017).

(4) Recipe: Quelle: österreichische KĂŒche leicht gemacht. Weight Watchers Österreich. https://www.weightwatchers.at/shop/b%C3%BCcher-und-ratgeber/kochb%C3%BCcher.html

How to strengthen your immune system in Lockdown 2.0

In these intense times, the most important thing is to stay healthy. Since there is so much in our lives that we cannot control, it helps to focus on things that are within our power. In terms of Covid-19, that means following all the “outside” guidelines to protect yourself and others: These include washing hands regularly, avoiding touching your face, reducing social contact, and wearing a mask.

Strengthen the immune system from the inside out

To protect the body from disease, you can do a lot yourself to build up defenses from within, working to strengthen the immune system. There is one organ in the body that is integral to immune system function: the gut microbiome (1). The trillions of microorganisms that live in your gut have been linked in studies to how well the immune system is able to fight off infections and maintain health (2). That’s why it’s especially important at times like these to make sure you have a balanced gut microbiome. Read more about the microbiome & immune system here.

The right food for a healthy microbiome

The food you eat has a big impact on the diversity and balance of your microbiome. Eating a wide range of plant foods and avoiding processed foods will help increase the diversity of your microbiome (3). Try to consume plenty of water, fruits, vegetables, nuts, seeds and whole grains, healthy fats such as high-quality olive oil, and lean meat or fish. Avoid toxins such as alcohol, salt, sweets and sugary drinks, as well as artificial sweeteners or other additives (4,5). Additionally, it helps to include probiotics such as natural yogurt, raw cheese, and fermented foods such as kimchi and sauerkraut (6).

The right lifestyle despite lockdown

In times like these, make sure you get enough exercise and fresh air. Whether you’re exercising at home with the window open or taking a walk in the neighborhood (be sure to keep 1m away from other people), try to get 30 minutes of moderate exercise every day. In addition, getting enough sleep is essential for the health of both your microbiome and immune system. For adults, the recommended amount is between 7 and 9 hours. Don’t forget: Your mental health! Make sure you maintain social contact with friends and family via video chats and phone calls.  

These are just a few ways you can positively impact your health. Try to use this time as an opportunity to make positive changes that will strengthen your immune system and keep you fit & happy through this season!

We want to support you!

Now is the best time to boost your immune system from the inside out. We at myBioma know: Health starts in the gut. That’s why we’ve come up with a BLACK WEEK promotion for you. From Monday, 11/23/2020 to Sunday, 11/29/2020 you get 20% off myBioma gut microbiome analysis. Here you can order your analysis directly to your home. Also feel free to check out our sample report, if you have any questions we are always here for you: service@mybioma.com

Weil wir Ihrem BauchgefĂŒhl vertrauen!


(1) Belkaid Y, Hand TW. Role of the Microbiota in Immunity and Inflammation. Cell. 157:121-141 (2014).

(2) CorrĂȘa-Oliveira R, Fachi JL, Vieira A, Sato FT, Vinolo MAR. Regulation of immune cell function by short-chain fatty acids. Clin Transl Immunologyl. 5: e73 (2016).

(3) Rios-Covian D., Ruas-Madiedo P, Margolles A. Gueimonde M, de los Reyes-Gavilan C G, Salazar N. Intestinal short chain fatty acids and their link with diet and human health. Frontiers in microbiology, 7:185 (2016).

(4) Savin Z, et al. Smoking and the intestinal microbiome. Arch Microbiol. 200(5):677-684 (2018).

(5) Capurso G, Lahner E, The interaction between smoking, alcohol and the gut microbiome. Best Pract Res Clin Gastroenterol. 31(5):579-588 (2017).

(6) Tillisch K, et al. Consumption of Fermented Milk Product With Probiotic Modulates Brain Activity. Gastroenterology. 144(7):10.1053/j.gastro.2013.02.043 (2013).