http://www.Z-Pen.com/PenInfo/InsulinPens/index.php http://www.Z-Pen.com/rss/InsulinPensTips.xml Insulin Pens from zPen The duration of the insulin in an insulin pen depends on the product and the room temperature and should always be stated in the box. To make sure, you should ask the pharmacist or your doctor regarding the particular insulin you purchased about how long it will last when refrigerated. keywords: Pe Fri, 12 Jan 2007 20:30:46 -0700 http://www.Z-Pen.com/PenTips/19.php http://www.Z-Pen.com/PenTips/19.php Everything here is © zPen, Copyright 2006, All Rights Reserved Worldwide.