Celiac and autoimmune-gastritis triggers, local test availability, and testing boundaries are now folded into Iron, B12 & Malabsorption.
celiac · autoimmune-gastritis · malabsorption · iron · b12 · bloating · iga · archived
This page is preserved as an old anchor. The active guidance has moved to Iron, B12 & Malabsorption.
Original content was archived before consolidation at archive/iron-b12-malabsorption-originals-2026-05-10.md.
Use the canonical owner for current iron thresholds, oral iron dosing/timing, B12 follow-up, celiac/autoimmune-gastritis triggers, local test availability, and evidence links.