Trace elements

I remember  reading about a trace element supplement someone was using.  
It was made in Texas and 'only' available there?  If someone could email 
me the product name and a local vendor, I would appreciate it.   If not 
what do you all use?

Stan Perkins

sperkins at admin4_hsc.uth.tmc.edu
phone (713)792-5800
fax  (713)794-4177