GPur- Luminating Oral Cholesterol Kinetics Pilot Study

Inclusion Criteria: * Adults over 18 years of age * Not receiving or requiring lipid lowering therapy * Willingness to give informed consent * Able to keep a dietary log * Willing to maintain a consistent day to day routine during the study (no major changes in lifestyle, exercise, food pattern, smoking habits, etc) Exclusion Criteria: * Current use of oral lipid binding agents (colesevelam, cholestyramine, ezetimibe) fibrates, niacin or statins * Current use of dietary supplements enriched with fat soluble vitamins, mono/polyunsaturated fat (fish-oil etc.) or probiotics * Any oral antibiotic use, currently or within the past 14 days * Diabetes, Type I and Type II * Currently following a restrictive diet * GI motility disorders (irritable bowel syndrome, diabetic gastroparesis, etc) * Prior gastric or bowel resection * Inflammatory bowel disease (Crohns, ulcerative colitis, diverticulitis, celiac sprue, etc) * Co-morbidities with anticipated life expectancy \< 12 months * ESRD on dialysis * Known intolerance to silicium or aluminum compounds * Excess alcohol consumption (\>1 drink per day) * Pregnancy, nursing or not taking/using contraception * Hepatobiliary disorders or renal disease * Plasma total cholesterol \> 240mg/dl or Triglycerides \> 265.5 mg/dl * No plant-sterol enriched food products allowed in diet \& supplements * BMI \> 35