A combination of PHD / low histamine diet, antihistamines, supplementary Sulfur, vit d and b vitamins has got us to a place where his gut is completely better, he has no more eczema and his ASD is dramatically improved. (perfecthealthdiet.com)
It looks like this could help but my question is, I have MTHFR which means you don't process b vitamins like a normal person. (pcosnutrition.com)
Some helpful supplements include b vitamins, antioxidants, and amino acids. (detoxdiy.com)