How to spot undiagnosed coeliac disease

The only sign of the condition in some patients is low levels of iron, vitamin B12 and zinc, say researchers

Doctors are being urged to rethink the long-standing idea that unexpected weight loss is a key symptom of coeliac disease on the back of research showing that nutrient deficiencies are often the only sign of the condition.

Blood tests

The call comes from US researchers who have compared 309 adults newly diagnosed with coeliac disease with matched controls, finding some big differences in nutrient levels.

  • Zinc was deficient in 59.4% of coeliac disease patients vs 33.2% of controls.
  • Copper was low in 6.4