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Dangers of Benecol

Updated April 17, 2017

Benecol is a spreadable margarine product that promises to lower cholesterol when used two to three times daily; it works through the use of compounds called phytostanol esters found in pine trees, soy and other plants. Benecol is widely available in the UK. The United States Food and Drug Administration (FDA) has approved the claim that 1.4 g (0.05 oz) daily of phytostanol esters can block the absorption of dietary cholesterol, thereby lowering blood cholesterol levels. It should be noted that while short-term studies have shown Benecol to have no significant dangers, no long-term studies have been completed as this is a relatively new product. Benecol typically costs two to five times as much as regular margarine.

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Partially hydrogenated soybean oil

According to the Mayo Clinic, trans fats -- also known as partially hydrogenated oils -- are the worst kind of fats because they raise your bad (LDL) cholesterol and lower your good (HDL) cholesterol. This leads to an increased risk of heart disease, which is the number one killer of both men and women. Benecol contains partially hydrogenated soybean oil. Although the harmful effects of it may be cancelled out by the phytostanol esters, many nutrition experts would advise against consuming any trans fats, especially those in processed foods such as margarine.


The Mayo Clinic lists diarrhoea as a potential side effect of Benecol. While not usually dangerous, this can cause a great deal of discomfort.

Beta carotine reduction

Another side effect that has been observed with Benecol is a 10 to 20 per cent reduction in beta carotine levels. Beta carotine is converted in the body into vitamin A, which is an essential nutrient which protects against cancer, heart disease and many other health issues.

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About the Author

Taylor Patrick has been writing more than 10 years. She has written freelance articles, as well as provided marketing and copy writing services to nonprofit organizations and small businesses. Patrick has a journalism arts diploma and a Bachelor of Arts in general humanities from the University of Calgary.

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