You may read:

http://www.cc.nih.gov/ccc/supplements/zinc.html

http://www.nlm.nih.gov/medlineplus/d...di/202622.html

__________________
Homeopathic & Biochemic system existed because Drs.Hahnemann & Schuessler thought differently.
Successful people don't do different things, they do things differently..Shiv Khera