Used as a dietary supplement to treat zinc deficiency and support immune function. Commonly found in lozenges aimed at reducing the duration of the common cold when taken at the onset of symptoms. Employed in the synthesis of other zinc-containing compounds and as a catalyst in organic reactions. Applied in textile processing for fireproofing and as a mordant in dyeing to improve color fastness. Utilized in some dental cements and oral care products for its antimicrobial properties. Also serves as a source of zinc in agricultural supplements and animal feed.