According to the Mayo Clinic, ideal HDL levels for both men and women are 60 milligrams of cholesterol per deciliter of blood. If a man’s HDL level is below 40 milligrams of cholesterol per deciliter of blood or a woman’s HDL level is below 50 milligrams of cholesterol per deciliter of blood, then disease risk, specifically heart disease, is considered to be heightened. Even if your HDL level is above the at-risk number (but below the desirable number), you still want to work on increasing your HDL level so you can decrease your heart disease risk. (9)
Who doesn't love avocados? They not only taste amazing but also can help lower your cholesterol. Avocados are high in healthy monounsaturated fat, which helps lower "bad" LDL cholesterol. They also contain fiber, antioxidants and phytosterols, such as beta-sitosterol, which have also been shown to lower cholesterol. Don't hog the entire bowl of guacamole, though! One serving is just a quarter of a Hass avocado, which delivers 57 calories. Spread a few slices of avocado on your sandwich instead of mayo, or dip some veggies into a bowl of fresh guacamole.
Aside from the inconvenience of taking niacin, two recent, highly-anticipated clinical trials have suggested that raising HDL levels with niacin failed to demonstrate any improvement in cardiovascular outcomes. Furthermore, treatment with niacin was associated with an increased risk of stroke and increased diabetic complications. At this point, most doctors are very reluctant to prescribe niacin therapy for the purpose of raising HDL levels.
An easy way to make the switch from trans fats is by replacing them with unsaturated fats, which don’t increase your LDL cholesterol, according to WebMD. Unsaturated fats are found in olive oil, canola oil, vegetable and sunflower oils, as well as fish, nuts, seeds and avocados. Just as unsaturated fats are healthy choices, unsaturated fats are not. Be sure to limit your intake of unsaturated fats, which are found in fatty meats, cold cuts, whole milk, whole-milk cheeses and many store-bought baked goods and snacks. Instead, enjoy lean cuts of meat, skim milk, low-fat cheeses and yogurt, and wholesome snacks to trim down your cholesterol levels.
Different foods lower cholesterol in various ways. Some deliver soluble fiber, which binds cholesterol and its precursors in the digestive system and drags them out of the body before they get into circulation. Some give you polyunsaturated fats, which directly lower LDL. And some contain plant sterols and stanols, which block the body from absorbing cholesterol.
Plant stanols and sterols (such as beta-sitosterol and sitostanol) are naturally-occurring substances found in certain plants. Stanols are also found as dietary supplements or are added to margarine, orange juice, and dressings. Research suggests that plant stanols and sterols may help to lower cholesterol. They are similar in structure to cholesterol and may help block the absorption of cholesterol from the intestines.
And according to some powerful experiments by software engineer-turned-biohacker Dave Feldman, you can actually increase and decrease your cholesterol at will. It all depends on how much fat you eat — and, directly against mainstream dietary knowledge, the correlation is inverted. In other words, eating more fat will actually lower your cholesterol.