Bismuth-containing (tripotassium dicitratobismuthate
and subsalicylate) pharmaceuticals have been used for
various medical purposes, especially for the treatment of
gastrointestinal disorders, including diarrhea, flatulence and
ulcerative gastritis and colitis [1]. Zinc in the form of zinc
gluconate has been widely used in popular herbs due to its
ability to shorten the duration of cold and flu symptoms. It
also stimulates production of antibody and T-cell and helps
better circulation of the white blood cells to protect body
against cold and flu viruses. Zinc if present in excess or
deficit is harmful to human health [2,3].
Bismuth and zinc have also been widely used together in
pharmaceuticals [4]. Bismuth subgallate containing bismuth
and zinc oxide is used to relieve pain, swelling, itch and irritation
of internal and external piles (haemorrhoids) and other