Inclusion Criteria:  • Age 18-64 years old with BMI less than 29 and fasting blood glucose less than 125 mg/dl.  Exclusion Criteria:  Age 18-64 years old with BMI less than 29 and fasting blood glucose less than 125 mg/dl. Weight less than 110 pounds (55 kg)  Pre-existing health conditions, such as:  High cholesterol Hypertension Cardiovascular disease Gastrointestinal motility disorders Hypo- or hyperthyroidism Anemia Renal disease Liver disease, including hepatitis B or C, cholestasis, cirrhotic liver disease, or non-alcoholic fatty liver disease Chronic or acute pancreatitis Diabetes type 1 or 2 Insulin resistance Polycystic ovary syndrome Food allergies or intolerances to coffee/caffeine/dairy/corn-based cereals. Currently taking prescription medication Current smoker Consumes more than 3 alcoholic beverages per day Pregnant or breastfeeding Not willing to take their own blood samples with finger sticks