Stanol ester Stanol ester Stanol ester is a heterogeneous group of chemical compounds known to reduce the level of low-density lipoprotein (LDL) cholesterol in blood when ingested, though to a much lesser degree than prescription drugs such as statins. The starting material is phytosterols from plants. These are first hydrogenated to give a plant stanol which is then esterified with a mixture of fatty acids also derived from plants. Plant stanol esters are found naturally occurring in small quantities in fruits, vegetables, nuts, seeds, cereals, legumes, and vegetable oils. Stanol ester is often added to rapeseed oil based margarine or other foods
Consumer import of prescription drugs a higher price in a different market. Businesses, manufacturers and drug retailers wish to control the supply of pharmaceuticals in their own marketplace. As such, if low-cost drugs entered a market from other lower-cost territories, what might develop is pure price-based selling. The TRIPS agreement is an example of a World Trade Organization treaty which regulates how drugs can be traded in the international marketplace. Some developing countries might receive access to lower-cost drugs through compulsory licenses. Compulsory licenses affect markets outside the country in which they are issued. Drugs which are legal in one place may not be legal