Question: is this a 2) strong advice, 1) weak advice 0) no advice?

The mechanism of development of bone pathology in patients with untreated coeliac disease is not fully defined, but chronic negative calcium balance16 caused by loss of villous surface area,17 binding of calcium to fatty acids in the intestinal lumen,18 and impairment of active intestinal calcium transport mechanisms because of depletion of calbindin from the enterocyte19 are all potential factors. 
user
This is no advice
assistant