FreeStyle Control Solution is a red liquid that contains a fixed amount of glucose that is used to practice testing without having to use your own blood and ensure that the meter and test strips are working together properly.
 
Contains a known amount of glucose to ensure that meter and test strips are working properly
Allows you to practice without using blood
Allows users to perform quality control checks to ensure that the FreeStyle Blood Glucose Monitoring System is working properly and that blood glucose results are reliable.
For use only with FreeStyle Freedom, FreeStyle Freedom Lite, FreeStyle Lite, and FreeStyle Insulinx meters