This is from the POTS Place "What to Avoid" page: Certain Foods, such as dairy products, may increase symptoms in some patients. White sugar and other refined carbohydrates can exacerbate hypotension by causing increased dilation in the gut (Mathias, 2000). It is important to identify and avoid food triggers. Studies show that gluten sensitivity may play a role in neurological disorders (Hadjivassiliou, Gibson, Davies-Jones, Lobo, Stephenson & Milford-Ward, 1996). See the page for the references. Michelle