To lower cholesterol levels and prevent increase in cholesterol levels, Ayurveda recommends the following:
http://www.ayurvedhealthcare.com/natural-cholesterol-cure.html
Cholesterol Reduction Diet Plan.
http://www.yourhealthquestion.com/answers/may_08/0501081_fats_oils.shtml
Artichoke leaf extract for serum cholesterol reduction.
http://naturalfoodsmerchandiser.com/ArticlePage/tabid/66/itemid/1468/Default.aspx