Immuno-Zn™ Lozenge lozenge is a combination of zinc and elderberry delivered in a fast-melting lozenge with a delicious mixed berry flavor to support overall immune health. Each lozenge provides 25mg of elderberry (sambucus nigra) fruit and contains zero grams of sugar. The lozenge delivery system is ideal for targeted absorption and may help support the health of the upper gastrointestinal tract (i.e. throat) and upper respiratory tract. Does not contain gluten, dairy or soy.