We're you on a restrictive diet like that before your diagnosis? Some people can eat like that, but others don't do so well.

I have a friend who has tried to be vegetarian, but can barely last a week before he starts feeling awful. He then tried just eliminating red meat, while still eating fish and chicken. That lasted about a year, after which he said he felt weak, was always cold, and had brain fog. He then ate a hamburger and claimed he almost immediately felt the brain fog lift. He concluded that there was a nutrient in red meat that he needs (not iron; he was taking supplement).