Inclusion Criteria:  Age 18-25 Obese (BMI ≥ 30) Sufficient control over diet Access to internet and texting Living in the United States Willing and able to follow intervention and complete measurements  Exclusion Criteria:  Non-English speaking Pregnant, breastfeeding, or planning to be in the next 6 months Vegan or vegetarian Currently enrolled in weight loss program Taking medications known to cause weight loss or gain Taking glucose-lowering medications other than metformin Type 1 diabetes Cancer Heart failure Kidney failure History of eating disorders Untreated psychiatric disorder History of or planned weight loss surgery Consumption of greater than 30 alcoholic beverages per week