Traditionally, it is believed that a trip to the sea is the best way to "reboot" the body, strengthen the immune system and gain strength for the whole year. We expect that the sea and health are inseparable concepts. However, gastroenterologists and dermatologists record different statistics: after returning from sea resorts, thousands of people complain of acute bloating, bowel movements, skin rashes, exacerbation of allergies and inexplicable fatigue.

Today, the topic of gut health and the microbiome is heard everywhere. We hear about the need to maintain microflora, drink kefir, buy supplements and eat more fiber. However, it is easy to get confused in this stream of information. On the shelves of pharmacies and supermarkets we are greeted by dozens of bright jars that promise instant improvement in digestion and immunity. But do all these products really work the same?