Preparations that are prepared with Echinacea herb and its roots are used for treatment of infections of upper respiratory tract and urinary system that frequently relapse. It helps natural increase of body resistance and taking action especially with infectious diseases. It is protective and therapeutic against cold and flu. Clinical studies and accompanying biological activity studies show that Echinacea extracts are effective.

 Rosehip helps to decrease frequency of contracting a disease and process of disease by strengthening immune system as a source of natural vitamin C. Rosehip protects body tissues from free radicals as it contains natural bioflavonoid which is a strong antioxidant. Bioflavonoid helps absorption of vitamin C and it is shown that they have strengthening effects on capillary vessels. It is protective and therapeutic against cold and flu. Although rosehip has vitamin C, it is used in combination with vitamin C as its concentration is not sufficient in respect of amount.

 Vitamin C (ascorbic acid) has strengthening effects for immune-stimulatory system with its antioxidant, antiviral effects and its oral intake is obligatory. It should be used for treatment of cold especially for viral infections and severe illnesses.