Many of us still associate the word "bacteria" with disease or dirt. But science has shown that trillions of micro-organisms live in our bodies, without which health would be simply impossible. Good bacteriaalso known as probiotics, are our invisible heroes, responsible for strong immunity, good mood and smooth digestion.
In this article, we will discuss what they do and how to ensure that your gut microflora is balanced.
What are good bacteria?
Good bacteria are living micro-organisms that, when consumed in sufficient quantities, provide health benefits to their host (us). Most of them congregate in the gut, forming a complex ecosystem called Microbiota.
The main functions of good bacteria:
- Digestive support: They help to break down food and absorb nutrients.
- Strengthening immunity: About 70-80 % immune cells are found in the gut. Good bacteria teach the immune system to recognise "friendlies" from "foes".
- Protection against pathogens: They create a barrier that prevents the growth of bad bacteria that cause infections.
- Mental health: The link between the gut and the brain (the so-called "gut-brain axis") shows that healthy microflora has a direct impact on our mood and reduces stress levels.
How to recognise bacterial imbalances?
When the balance of good and bad bacteria is disturbed (this is called dysbiosis), the body starts sending signals:
- Bloating, constipation or diarrhoea.
- Constant fatigue and lack of energy.
- Increased sugar cravings.
- Skin problems (acne, eczema).
The main contributing factors are an unhealthy diet, stress and, of course, use of antibioticswhich kill not only pathogens but also beneficial microflora.
How to replenish your good bacteria naturally?
Avoiding bad habits is not enough to have a healthy gut. You need to actively "feed" and replenish your microbiota.
1. Fermented foods
It is the best natural source of probiotics. Include in your diet:
- Kefir and natural yoghurt (without added sugar).
- Sauerkraut and cucumbers (unpasteurised).
- Kombucha (fermented tea drink).
- Kimchi (Korean fermented vegetables).
2. Prebiotics - "food" for bacteria
Good bacteria need fibre to survive. Eat more fibre-rich foods like garlic, onions, bananas, oats and legumes.
3. Probiotic supplements
If your diet is not complete or you have just finished a course of antibiotics, it is worth consulting your doctor about taking high-quality probiotic supplements.
Conclusion
Taking care of your gut health is not just a matter of fashion - it's an investment in long-term health. Starting with small changes on your plate, you will soon feel more energy and a sense of lightness.
More research on the effects of probiotics and their classification can be found on the official World Gastroenterology Organisation (WGO) website.