Algae and Cholesterol Absorption

Inclusion Criteria: * Aged between 18 and 70 years; * BMI between 18 and 30 kg/m2; * Non-smoking; * No elevated serum triacylglycerol concentrations (\< 4.5 mmol/L); * Willing to comply to the study protocol during the study; * Agreeing to be informed about medically relevant personal test-results. Exclusion Criteria: * Not willing to abstain from any algae and/or seaweed consumption or algae/seaweed containing products two weeks before the start and during the trial; * Use of plant-sterol/stanol-enriched foods (e.g. Becel Proactive) or supplements in the four weeks prior to the screening and/or during the study; * Use of cholesterol or lipid-lowering medications (e.g. statins, bile-acid sequestrates, cholesterol absorption inhibitors); * Use of any kind of medication or a medically prescribed diet, which can interfere with the study; * Use of oral antibiotics in 40 days or less prior to the start of the study; * Use of food supplements that might interfere with study measurements (judged by the principal investigator) in four weeks or less prior to the start of the study; * Indications of treatment according to the Standard for Cardiovascular Risk Management from the Dutch General Practitioners community; * Any medical condition that might interfere with study (measurements), judged by the principal investigator, including cardiovascular diseases or events (e.g. acute myocardial infarction or cerebro-vascular accident), diabetes, asthma, COPD, rheumatoid arthritis, and gastro-intestinal diseases (e.g. inflammatory bowel disease); * Unstable body weight (weight gain or loss \> 3 kg in the past 3 months); * Females who are pregnant, breast feeding or who may wish to become pregnant during the study; * Consumption of \> 14 (males) or \> 10 (females) alcoholic consumptions a week; * Reported intense sporting activities \> 10 hours a week; • Abuse of drugs; * Participation in any other biomedical trial four weeks prior to the screening visit; * Having donated \>150 ml blood within 1 month prior to the screening visit, planning to donate blood during the study or within one month after finishing the study; * Impossible or difficult to puncture as evidenced during the screening visit.