Compare Effects of a Soluble Fiber on Weight and Blood Cholesterol

Inclusion Criteria: * 30 men and 30 women * Age 18- 65 years * BMI 25.0 - 32.0 Kg/m² * fasting glucose \<126 mg/dL * Blood pressure \< 140/85 mm Hg. Hypertension on stable drug regimen using 2 or fewer antihypertensives will be acceptable. * Total plasma cholesterol \<240 mg/dl, LDL-cholesterol \<160 and triglycerides \<400 mg/dl. Hyperlipidemia on a stable medication regimen using single anti-hyperlipidemic drug acceptable. Exclusion Criteria: * Pregnant women, women who plan to become pregnant during the study period * Women who have given birth within the previous 12 months * Lactating women * History or presence of Type 2 diabetes; kidney disease; (creatinine \>1.4); liver disease (X2 fold increase in AST or ALT); gout; cancer; untreated thyroid disease; gastrointestinal disease; other metabolic diseases or malabsorption syndromes * Habitual low-fat intake (less than 20%) * History of eating disorder * Subjects who have lost 10% of body weight within the last 12 months or who plan to initiate a weight loss program * Use of prescription or over-the counter anti-obesity medications or supplements (phenylpropanolamine, ephedrine, caffeine) for at least 6 months prior of study. * Subjects with pacemakers will not participate in bioimpedance studies but will go through all the other testing.