[aimee]

I found this resource from Tufts Vet school that has links to lists for lower sodium OTC foods and treats.

http://vet.tufts.edu/heartsmart/diet/reduced_sodium_diet.

And here is some additional information as well: http://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=2515
Good Luck