Replace Glycemic Load and Satiety Study

Inclusion Criteria: * Body Mass index between 25-35 kg/m2 * Fasting serum glucose * Fasting serum glucose \< 125 mg/dl * Free of chronic disease * Willing to eat only the foods that are provided by the Center during the diet periods * Willing to abstain from the consumption of alcohol during the diet periods * Regularly cycling and willing not to become pregnant using birth control (abstinence, barrier methods, partner surgically sterile * Monophasic birth control (same dose each day) * Hormone replacement therapy * Post-menopausal (over 1 year without bleeding) * Have had partial hysterectomy over the age of 55 * complete hysterectomy at any age Exclusion Criteria: * Documented presence of atherosclerotic disease * Diabetes mellitus * Renal, hepatic, endocrine, gastrointestinal, hematological or other systemic disease * Body Mass Index \<25 or \> 35 * History of drug or alcohol abuse in the last year * For women, pregnancy, breast feeding or postpartum \< 6 months * History of depression or mental illness requiring treatment or medication within that last 6 months * Multiple food allergies or significant food preferences or restrictions that would interfere with diet adherence * Lifestyle or schedule incompatible with the study protocol * Planned continued use of dietary supplements through the study trial * Smoking or tobacco use