Sinus Plus Formula (SHA Tea) by Dr. Christopher 100 VegCap Sinus Plus Formula contains Brigham Tea Herb MarshmallowRoot Golden Seal Root Horseradish burdock Root Parsley Root Lobelia Herb and Cayenne Pepper. All encapsulated products are in apure 100 vegetable based capsule. Sinus Plus formula has been used historically as a natural herbalhelp for clearing up allergies sinus and hay fever. It works as adecongestant and natural antihistamine to dry up the sinuses andexpel the offending mucus from the head and bronchopulmonary tubesand passages.