NCIt definition : A nutritional supplement containing the zinc salt form of gluconic acid for the purpose
of providing zinc. As an essential trace element, zinc is of key importance in many
biological processes, acts as an antioxidant and strengthens the immune system. Although
the mechanism of action is not completely known, zinc supplementation may be used
to increase immunity against viruses or may interfere with the replication of certain
viruses, such as the human papillomavirus (HPV).;