Horsetail (Ferula asafetida) has a strong sulfur smell, is rich in medicinal substances and has been used as a spice and a medicinal plant in folk medicine for centuries in many eastern countries. As a result of recent studies, a number of promising active properties of kavrak have been revealed. Examples of this are its antioxidant, digestive enzymes, memory improvement, neuroprotective, antispasmodic, hypotensive, antifungal, antibacterial, anticarcinogenic, antitoxic, and antidiabetic properties. These phytochemical properties of kavrak can effectively solve various problems of pharmacological and clinical research.