I've heard this same thing on other Celiac/Gluten Sensitivity support forums as well. I think it is heavily cross-contaminated with gluten due to shared facility/production lines with wheat-containing cereals.
Chronic Lyme Disease, Bartonella (clinical dx only), Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication/Chemical Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, chronic Lymphopenia, etc.; G-Tube; Currently on TPN due to bowel problems.
Meds: IV Cipro, Heparin (to flush PICC line), Singulair, Claritin, Domperidone, Colloidal Silver (topically & nasally), probiotics, Milk Thistle, Magnesium, homeopathy.