They are n. american and british spelling respectively, all pointing to the same bean source for whatever product made. Are you sure of the source of the problem? The sauce is a fermented product of the bean and is usually used in such small amounts as a flavor agent, some allerigic reaction when you say gut or perhaps some other unrelated food often used in asian cooking which happens to include soy products? .
Quoted message said:
I have been pondering if there is any difference between soy products and soya sauce. I seem to be reacting to soya sauce when I use it in cooking and at the same time have the same gut reactions to any and all soy products.
