We're dutch too - my girlfriend has RRMS and we've been following the OMS program for about 2 years. Soy products are fine according to the OMS program. But don't feel forced to consume soy if you don't want to
If you want to dive into the OMS program you're best of reading the OMS book to get all the details, though the important stuff is on this site as well. When we were actively researching I used google scholar a lot to read the original research. In our judgement the OMS program is well researched and based on sound scientific evidence, so we try to follow the program as good as we can.
a side note: we found that the flaxseed oil - lijnzaadolie - in the dutch groceries (AH, de tuinen, etc) to be stale. At first we weren't aware because it took us a while to figure out that flaxseed oil should not taste awful
If you haven't yet, you might want to take a look at http://www.lijnzaadfabriek.nl
. the flaxseeds are grown organically and the oil is pressed on order. We order a couple of bottles at a time and store them in the freezer.
best of luck,