• Able to communicate meaningfully with the investigator and legally competent to provide written informed consent.

• Aged 21 to 75 years.

• Patients with a diagnosis T2DM based on prior medical history, medication use, or results from a fasting plasma glucose or hemoglobin A1c, according to American Diabetes Association guidelines.

• Patients will be allowed to participate the glycosylated hemoglobin (HbA1c) is ≤ 9.5% on diet alone or on a stable dose (for at least 2 months) of the following diabetes medications: metformin, sulfonylurea, acarbose, DPP-IV inhibitors, SGLT2 inhibitors or insulin. The insulin total daily dose should be stable (defined as within 20% for the prior 2 months prior to study entry). A GLP-1 receptor agonist will be allowed if on a stable dose for 6 months prior to enrollment and body weight stable (defined as within 3%) in the prior 3 months. Diabetes medications will be continued at stable doses during the entire study (except if glycemic control deteriorates based on HbA1c; addition of metformin, sulfonylurea, acarbose, DPP-IV or insulin will be allowed if needed; pioglitazone, GLP-1RA or SGLT2 inhibitors will not).

• Hemoglobin level of at least 11.0 g/L (men) or at least 10.0 g/L (women), leukocyte count of at least 3.0 × 109 cells/L, neutrophil count of at least 1.5 × 109 cells/L, platelet count of at least 100 × 109 cells/L, albumin level of at least 2.5 g/L, serum creatinine level of 2.5 mg/dL or less, INR \> 1.4, bilirubin \> 1.3 mg/dL (unless if non-conjugated bilirubin elevated in the setting of Gilbert's syndrome), and AST and ALT levels no more than 8 times the ULN.