Lifestyle Modification for Type 2 Diabetes Involving Reduction of After-meal Blood Glucose Elevations

Inclusion Criteria: * Diagnosed with type 2 diabetes within the past 5 years * Age \>24 and \<80 years * HbA1c \>7.0% * Approval of primary care physician to participate Exclusion Criteria: * Currently using, or used within the last 3 months, medications that directly lower BG (e.g., insulin, sulfonylureas, glinides, or DPP-4 inhibitors). * Currently using, or used within the last 3 months, thiazides at doses above HCTZ 25 mg or equivalent, or loop diuretics above furosemide 20mg or equivalent. * Currently pregnant or contemplating pregnancy in the coming year * Currently using, or used within the last 3 months, medications that impede weight loss (e.g., prednisone) * Having conditions that preclude increasing physical activity, e.g. severe neuropathy, active cardiovascular disease, emphysema, osteoarthritis, stroke. * Undergoing cancer treatment * History of lactic acidosis * Diagnosed with renal impairment