Sana-sol Menthol-Eucalyptus throat lozenges sooth the throat and help to open airways. Sugar-free lozenge. Allow the lozenge to slowly dissolve in your mouth. Sana-sol lozenges contain vitamin C and zinc to improve your immune system, and menthol and eucalyptus. Vitamin C and zinc contribute to the normal functioning of the immune system. Eucalyptus has a soothing effect on the throat, while menthol helps to open congested airways. Daily dose (from 12 years): 3-16 lozenges. Dietary supplements do not replace a varied and balanced diet or a healthy lifestyle.