The cost for such self-monitoring of blood glucose (SMBG) can account for approximately one-third of the total cost of consumables, including insulin and needles, for type 1 diabetes management.13 This expense has prompted both falsification of glucose strips and reselling of secondhand unused glucose strips at reduced price.10 14 15 In 2008, the US Food and Drug Administration (FDA) and the American Diabetes Association warned against using resold strips as they may give incorrect results.14 16. This evidence concerns the gene INS and diabetes mellitus.