Meals and Grazing Study

Inclusion Criteria: * Participants will be overweight and obese (BMI 25 and over) males and females ages 18-50 years. * Participants must be willing to report to FHCRC on 5 occasions (initial screening appointment + 4 testing sessions) * Participants must be willing to provide a 7-day food record for analysis prior to Phase 1 and Phase 2 of the study * Participants must be willing to follow diet protocol during Phase 1 of the study * Participants must be willing to undergo 4 blood draws Exclusion Criteria: * Non-diabetic (self-report) * Non-smokers (self-report) * Not following a diet to gain or lose weight (self-report) * Normal cholesterol (self-report) * Normal blood pressure (self-report) * Not currently taking any medication (self-report) * Not pregnant or nursing (self-report and verification by DEXA) * Not athletes in training (self-report)