From my experience, I suspect it is the elimination of gluten/breads that helps, rather than lo carb. You are still gluten free?
Your medication doses are very low, I assume that is intentional.
Raw spinach tears me up! Are you sure it's not irritating you? I can't eat iceberg lettuce either, even now that I am healed from Remicade.
49 year old female attorney, diagnosed UC/pancolitis 1985, no surgery but much suffering. Asacol/5ASA 6x400 mg maintenance for 20+ years; used prednisone & Rowasa for flares.
August 2008 sought care of naturopathic doctor. Food sensitivity test showed wheat/gluten, other intolerances; eliminated wheat/gluten from my diet. Probiotics (Ultimate Flora, 50 billion).
Bad flare in March, used prednisone. Humira denied, started Remicade 4/12 and doing great~