Tomatoes and Oranges are the big culprits, and other fruits to a lesser degree. This is consistent with foods that have high levels of phenols, and the thing that digests them is PST, Phenol Sulfur-Transferase. High-phenol foods give him (and her) mild diarrhea with undigested bits of the food in it, and in his case, they lead to extreme hyperactivity and visual stimming (shaking crap in front of his eyes, staring at things very up close,) but do not seem to increase the tantrums or decrease language usage or sociability.
We've been using
this enzyme so far, but we're hoping that as his digestion settles he'll be able to scale back to a combination enzyme like
this one, because that will include a smaller dose of the phenol enzymes plus some of the enzymes Undertoad was asking about that digest gluten and casein, in case he has accidental infractions through playing with playdough or kissing an Aunt wearing the wrong face lotion, stuff like that.