Effective: Glucoflex-R is a proven blood glucose testing solution for effective control of blood glucose levels. Affordable: Glucoflex-R test strips are better value than other test strips which means you don’t have to cut back on testing. Convenient: Glucoflex-R requires no coding, no batteries, no cleaning, no careful handling, no control solutions. Quality you can depend upon: UK government tests show excellent precision and accuracy (R2=0.99) when read in a meter. When read visually by trained patients the correlation with lab has been shown to be R2=0.973.