Biologically active components are substances that, in small concentrations, have a significant effect on biological processes in the body. These components can be both natural and synthetic, and are often found in foods, medicinal plants, and dietary supplements. Biologically active components play an important role in maintaining health, preventing and treating various diseases, as well as improving general well-being.

Examples of bioactive constituents include vitamins, minerals, amino acids, fatty acids, antioxidants, flavonoids, probiotics, and phytonutrients. Each of these components has specific functions and effects. For example, vitamins and minerals are involved in numerous metabolic processes, antioxidants protect cells from free radical damage, and probiotics support healthy gut flora. To ensure good nutrition and maintain health, it is important to include a variety of foods rich in biologically active components in the diet. In some cases, with a deficiency of certain substances, additional food supplements may be required, but their intake should be coordinated with a doctor.