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

GPur- Luminating Oral Cholesterol Kinetics Pilot Study