The use of<unk> supplements together with oral rehydration therapy decreases the number of bowel movements and the time until the diarrhea stops. Its use in this situation is recommended by the World Health Organization. There is some evidence zinc is effective in reducing hepatic and neurological symptoms of Wilson's disease.<unk> is also an important part of parenteral nutrition.
Zinc sulfate 
Iron sucrose
Zinc oxide
Zinc pyrithione
Penicilloic acid
Silver diammine fluoride
Potassium fluoride
Boron trichloride