The primary goal of this diet is to lower your levels of low-density lipoprotein (LDL), or bad, cholesterol. This diet may also raise your levels of high-density lipoprotein (HDL), or good, cholesterol. Having too much LDL cholesterol, and/or not enough HDL cholesterol, can lead to a condition known as atherosclerosis, which causes plaque to build up in your arteries. Plaque buildup narrows and hardens your arteries, increasing your risk of having a heart attack or stroke.
A cholesterol test should be done after a 9- to12-hour fast. The results that you want to focus on are the total, LDL, and HDL levels.
Diet is one of several factors that affect cholesterol levels. Other factors include heredity, age, sex, physical inactivity, and being overweight. The main dietary components that impact cholesterol levels are fat, cholesterol, and fiber.
Fat is an essential nutrient with many responsibilities, including transporting the fat soluble vitamins A, D, E, and K, protecting vital organs, and providing a sense of fullness after meals. Fat can be broken down into four main types:
Fats that increase LDL levels and should be avoided or limited:
Found in margarine and vegetable shortening, shelf stable snack foods, and fried foods, it increases total blood cholesterol, especially LDL levels.
Hydrogenated or trans fat
Found in margarine and vegetable shortening, it increases total blood cholesterol, including LDL levels. It also decreases HDL levels.
Fats that improve cholesterol profile and should be eaten in moderation:
Found in oils such as olive and canola, it can decrease total cholesterol level while keeping levels of HDL high.
Found in oils such as safflower, sunflower, soybean, corn, and sesame, it can decrease total cholesterol.
Less than 10% of calories should come from saturated fat on a cholesterol-lowering diet. Trans fat intake should be as little as possible, ideally reduced to zero.
On an 1,800 calorie diet, this translates into less than 20 grams of saturated fat per day, leaving 40 grams to come from mono- and polyunsaturated fats.
Dietary cholesterol is found only in animal products. Although dietary cholesterol can increase LDL cholesterol, it does not affect it nearly as much as saturated or trans fats. On a cholesterol-lowering diet, you should consume no more than 200 milligrams of cholesterol a day.
Eating a diet high in soluble fiber can help lower your LDL cholesterol. There are two main types of fiber: soluble and insoluble. While both are very important to health, only soluble fiber impacts cholesterol levels. When soluble fiber is digested, it dissolves into a gel-like substance that helps block the absorption of fat and cholesterol into the bloodstream.
Soluble fiber is found in foods such as oatmeal, oat bran, barley, soy products, legumes, apples, and strawberries. On a cholesterol-lowering diet you should consume at least 5-10 grams of soluble fiber per day, and ideally 10-25 grams.
Stanols and sterols are substances found in certain plants. Plant stanols and sterols can lower LDL cholesterol levels in a similar way to soluble fiber, by blocking their absorption from the digestive tract. Certain foods, including margarines and orange juice, are now being fortified with these cholesterol-lowering substances. Research shows that consuming at least 2 grams of plant stanols or sterols a day can reduce LDL cholesterol by more than 10%.
|Food Category||Foods Recommended||Foods to Avoid|
|Meat and beans|
|Fats and oil|
|Snacks, sweets, and condiments|
Academy of Nutrition and Dietetics
National Heart, Lung, and Blood Institute
Dietitians of Canada
Heart and Stroke Foundation of Canada
About cholesterol. American Heart Association website. Available at: http://www.heart.o... . Updated July 15, 2013. Accessed August 27, 2013.
Dietary guidelines for Americans 2010. US Department of Agriculture and US Department of Health and Human Services. Available at: http://www.health.... . Accessed August 27, 2013.
Dietary recommendations for cardiovascular disease prevention. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated August 26, 2013. Accessed August 27, 2013.
Harland JI. Food combinations for cholesterol lowering. Nutr Res Rev. 2012;25(2):249-266.
Hypercholesterolemia. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated Augsut 20, 2013. Accessed August 27, 2013.
Lowering your cholesterol with TLC. National Heart, Lung, and Blood Institute website. Available at: http://www.nhlbi.nih.gov/health/public/heart/chol/chol_tlc.pdf . Published December 2005. Accessed August 27, 2013.
What your cholesterol levels mean. American Heart Association website. Available at: http://www.heart.o... . Updated August 8, 2013. Accessed August 27, 2013.
Last reviewed September 2013 by Dianne Scheinberg Rishikof MS, RD, LDN
Last Updated: 9/30/2013
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