Probiotics are microorganisms that, after getting into the body, colonize in the gastrointestinal tract, especially in the large intestine, exerting a positive influence on the health of the host. In case of intestinal dysbiosis, caused by e.g. hypertrophy of spoilage bacteria or Candidiasis a large amount of toxins that is produced by these microorganisms weaken the intestinal barrier resulting in, among other things, worse peristalsis, intestinal barrier leakage, the consequence of which may be e.g. autoimmune diseases, symptoms such as bloating, constipation or diarrhea

Probiotics can be added to the diet with:

  • travellers’ diarrhea,
  • diarrhea after taking antibiotics (it can appear even up to a few weeks after going off the antibiotic),
  • acute diarrhea in children,
  • irritable bowel syndrome (or so called “gastric flu”)


  1. Effect of probiotics
  2. Prebiotics and probiotics
  3. Types of probiotics

Effects of probiotics

Probiotics work in the following way, after being absorbed into the intestine, they adhered to its walls. They protect the walls from rotting and pathogenic bacteria. They also acidify the bowels environment. There have also been other proven beneficial effects of probiotics :

  • They prevent diarrhea, after taking antibiotics as well as others,
  • Probiotics support absorption of vitamins and nutrients,
  • They decrease the bad cholesterol levels in older people,
  • They decrease the susceptibility to the development of allergies in children,
  • Increase resistance, including immunity.

Prebiotics and probiotics

Probiotics are, broadly speaking, microorganisms that affect the gut flora, supporting its function. They are mainly:

  • Lactobacilli,
  • Cocci,
  • Bifidobacterium,
  • Candidiasis.

Food products that are called probiotics usually contain milk bacteria, or lactobacilli . They support the gut flora and restore the balance between the „good” and „bad” bacterias in our body.

Prebiotics are substances (not microorganisms, like probiotics) that stimulate the bacterial flora of the colon: in form of dietary supplements, as well as natural substances. Thanks to the fact that they aren’t digested, they reach the intestines and only then their action starts. They ferment thanks to the microflora in the intestines and stimulate the production of good bacteria in our body.

Prebiotics contained in special supplements supporting the function of intestines, as well as natural products are:

  • Fibre,
  • Starch,
  • Inulin (contained in bananas, cereals, onions, seasons, garlic).

Probiotics and prebiotics, which are appropriately mixed, can create a so called symbiotic therapy. Symbiotics are appropriately chosen for each other probiotics and prebiotics.

Types of probiotics

Probiotics can be divided into dietary supplements and natural probiotic products.

Probiotics bacteria can be found in natural probiotic products and dietary supplements. These are mainly lactobacilli (or Lactobactillus):

  • Lactobacillus casei and various variations, for example. Lactobacillus casei ssp. Rhamnosus, Lactobacillus casei Shirota ssp.
  • Lactobacillus rhamnosus
  • Lactobacillus plantarum.

Apart from those, protective products also use bifidobacteria and candidiasis, e.g.:

• Bifidobacterium lactis

• Bifidobacterium longum

• Bifidobacterium infantis

• Bifidobacterium adolescentis

• Bifidobacterium bifidum

• Saccharomyces boulardii (type of candidiasis)

Probiotic bacteria can be found in natural probiotics products, mainly in:

  • Yoghurts
  • curdled milk,
  • buttermilk,
  • kefir

2 thoughts on “What are probiotics?”

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