Link Samahan Natural Ayurvedic Herbal Tea From Ceylon A clinical trial has shown that one sachet of link samahan taken daily can prevent the incidence 15 trouble some symptoms of cold and catarrh such as excessive. SNEEZING,RUNNY NOSE,BODY ACHE,HEADACHE,FEVERISH S'etc, for effective prevention of Tess 15 symptoms. take one sachet daily. if you have develop and these symptoms take 1_2 sachet 2_3 time a day in hot water,tea or coffee for quick relief.