I went to the web sites to post these for you and also noticed that lithium was 
not listed as their products.So, I called the number and was told that they DO 
sell it but she didnt know why it wasnt on their web site. she recommended that 
you call this number 210-614-7246 and speak with a nutritionist. I dont know if 
you want to go this route but she said you schedule an appt that cost 40 
dollars for 30 minutes.. I dont think you need to speak to one prior to 
ordering thou.It is maybe just if you have questions.
  The other link is VRP.com for vitamin research products. Go to Health 
concerns on the side and click on depression.(you will find lithium listed 
there)
  While I was researching this today, I googled natural lithium and learned a 
few things. I guess it comes from ororate salts.
  I hope that you can find help for your relative.

                
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