Soy List

I found a rather comprehensive list of possibly soy-derivatives to avoid in ingredients. The page is Living With a Soy Allergy. Amusingly, I'd already been avoiding many of them due to the possibility they were made from wheat, but "Glycerol monostearate" is a new one, and I'm not too happy to see "guar gum" on the list, as it is often used in place of xanthan gum to make gluten free products stick together. "Natural Flavors" have been iffy, because they can contain gluten, but they almost always contain soy.

Reading some of the comments on the site, I'm just as glad that I don't have a contact-allergy to soy. I have noticed soy lecithin having minor effects on my asthma, but no out and out asthma attacks, and I have to eat the stuff for it to have that effect.

One final comment on the site: Most of the info I'd found up to this point contained some nonsense about "most people with soy allergies are not sensitive to soy oil or to soy lecithin." Looking at the comments on the linked site, I'd say that's complete and utter garbage. I first noticed problems with soy oil, then with soy flour and soy lecithin. Admittedly, it's a self-selected sample, and people with similar stories are more likely to comment, but I don't see anyone chiming in with "Oh, I'm okay with oil and lecithin." Not a one. It doesn't prove anything, but it's rather suggestive.