Sinutol Extra Strength provides the soothing power of eucalyptus, myrtle, and lemon extract for sinus and immune support. Sinutol Extra Strength supports healthy sinus cilia activity. Combined in an enteric-coated softgel to eliminate burping or aftertaste, Sinutol Extra Strength helps provide support without drowsiness or jitters.* Sinus, Bronchial, and Lung Support!* Refreshing Eucalyptus (Eucalyptus radiata) provides powerful compounds, including alpha pinene, and 1,8 cineole. It has long been studied and shown to support healthy, clear sinus passages.* Strong Myrtle (Myrtus communis) supports a healthy respiratory environment and, like eucalyptus, also provides alpha pinene and 1,8 cineole.* Powerful Lemon (Citrus limon) provides additional sinus and immune support.*