That's my running theory why my IBS, especially after eating gluten-rich foods for multiple days, gives me terrible restless legs syndrome that keeps me up at n

That's my running theory why my IBS, especially after eating gluten-rich foods for multiple days, gives me terrible restless legs syndrome that keeps me up at night: malabsorption and systemic inflammation causes iron deficiency, which in my case is resolved after a week of zero carb diet. A myriad of vegetables likewise give me IBS-like symptoms, whereas meat causes zero discomfort and has a ton of bioavailable minerals. I've also found cod liver (such an underrated delicacy) and iron supplements sometimes give me a tremendous amount of energy a couple hours after ingestion, possibly due to chronic mineral deficiencies. I am not anaemic btw, and male, so I'm not losing iron every month. I should try and take iron pills more often, but one needs to be careful not to go overboard with metals. EDIT: well, apparently iron therapy for IBD is a thing. Somehow I had never heard of it: https://en.wikipedia.org/wiki/Iron_supplement#By_injection https://en.wikipedia.org/wiki/Iron_supplement#By_injection