Using Continuous Glucose Monitoring to Understand the Glycemic Impact of Food

Inclusion Criteria: * Female or male * Age 18 and older * Diagnosed with type 2 diabetes for a minimum of 6 months * Is taking metformin for diabetes management; no other diabetes medications * Has been on a stable dose of metformin for at least 3 months * HbA1c is 7% or greater and less than 9%; \>7% or \<9% * BMI \<30kg/m2 * Willing to give informed consent * No evidence of acute illness, fever, undue stress * Motivated and capable of following the protocol and instructions provided by the healthcare professional * Available for the study on the scheduled visit days * Access to telephone communications Exclusion Criteria: * Under 18 years of age * Has not been diagnosed with type 2 diabetes for a minimum of 6 months * Is currently taking other diabetes medications in addition to metformin * Has taken other diabetes medications within the past 3 months * HbA1c \<7% or \>9% * BMI \> 30kg/m2 * Unable to follow the study protocol * No access to telephone communications * Unable to read and write in English * Unable to maintain their health, or have undue stress * Skin abnormalities at the insertion sites that would confound assessment of the effect of the device on the skin * Allergy to adhesives * Any concomitant medical condition that would likely affect the evaluation of device performance * Taken oral or inhaled prednisone or cortisone medications in the previous 30 days