I was also making almond milk for a while because she was on an iodine restriction and finding a plant-based milk with no salt proved impossible.

Better safe than sorry and probably to best to make it anyway, but, as an FYI, most of the salt in processed foods is not iodized. Between that and the popularity of sea salt/kosher salt, iodine deficiency is on the rise for people that don't have dairy or seafood regularly.