Nutilis Clear Nutilis Clear is a xanthan gum based food thickener for the dietary management of dysphagia. It is suitable for thickening hot & cold drinks & for thickening pured foods, while maintaining the normal appearance of fluids. It can thicken to stage 1 syrup, stage 2 custard or stage 3 pudding consistency as required. Nutilis Clear has amylase resistant features to protect against the action of amylase, which helps to ensure a safer swallow by maintaining the correct consistency in the mouth. Nutilis Clear is a gluten & lactose free. It is a Food for Special Medical Purposes for use under medical supervision.