tamari and Nama Shoyu non soy substitute?

[HappyDance]

I have several recipes that use Tamari and Nama Shoyu. My body responds negatively to soy products plus Nama Shoyu has far too much sodium in it for me. Is there anything that is a suitable non soy sub for Tamari and Nama Shoyu?

[sprouts2go]

Check out Rawdawg he can't have soy and made a substitute on video even!!

http://www.youtube.com/watch?v=ap7eblIjBvA&feature=channel_page