The amaranth variety used to make the Amaranth tea drink is high in protein and antioxidants. The total antioxidant activity of amaranth leaves is superior to many medicinal herbs. In the unfavorable conditions of modern cities the consumption of antioxidants increases, so the search for new sources of vitamins is a very important task. The uniqueness of the tea beverage "Amarant" is that it performs three important functions in the human gastrointestinal tract: 1. neutralizes toxic substances; 2. supplies the body with valuable nutritional biologically active substances and antioxidants; 3. nourishes bifidobacteria and lactobacilli. The use of a tea drink from amaranth leaves as a prebiotic significantly increases the biomass of lactobacilli, and bifidobacteria from 10 to 100 times. Tea drink "Amaranth" has no side effects and allergic reactions against the background of its use. This is a nutritious product with therapeutic effect, recommended for daily use, especially in environmentally unfavorable conditions.