We’re used to popping a probiotic capsule after a course of antibiotics or when we’re feeling bloated, hoping for quick relief. But have you ever wondered what exactly happens when billions of live bacteria enter your digestive tract? It’s not just “magic” or blindly populating an empty space. There’s a complex, multi-level interaction going on inside us at the cellular and molecular levels.

We are used to thinking that immunity is something abstract that circulates in our blood, and to "boost" it, it is enough to drink vitamin C or tea with lemon. However, modern science categorically states: the microbiome is our immunity.