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Plant Sterols and Stanols: What You Need to Know

Do They Really Help Lower Cholesterol?

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Heart health is on a lot of people's minds these days, especially as more and more people are developing high blood pressure, high cholesterol and type II diabetes. You may think that you're on your way to figuring it all out, too. Eating a heart-healthy diet? Check. Engaging in regular exercise to improve your cardiovascular fitness? You bet. Working to achieve or maintain a healthy weight? Of course.

So when new products comes to market, whether a prescription medication you see on a TV commercial or the latest "functional foods" from the grocery, you probably feel confused all over again. Plant sterols and plant stanols are becoming increasingly popular as supplements and food additives. If you've seen (or used) orange juice, yogurt, and chocolates that boast cholesterol-lowering benefits, then you've probably encountered plant sterols and stanols without even knowing it. The foods that contain them boast heart healthy benefits on their packages, which may have caught your interest. So what are these sterols and stanols? Do you need them? But maybe more importantly, will they really help to lower your cholesterol?

What Are Sterols and Stanols?
Plant sterols and plant stanols are phytoesterols (small but essential components of certain plant membranes). They are found naturally (in very small amounts) in some vegetable oils, nuts, grains, legumes, fruits, and vegetables. Research has shown that plant sterols and plant stanols have the ability to help lower cholesterol. Hoping to cash in and make common food products even "healthier," food manufacturers have taken these phytoesterols from their naturally occurring sources, concentrated them, and added them to common foods that wouldn't normally contain them, such as vegetable oil spreads (margarine), mayonnaise, yogurt smoothies, orange juice, cereals, and snack bars to name a few.
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About The Author

Becky Hand Becky Hand
Becky is a registered and licensed dietitian with almost 20 years of experience. A certified health coach through the Cooper Institute with a master's degree in health education, she makes nutrition principles practical, easy-to-apply and fun. See all of Becky's articles.

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