Raising HDL cholesterol requires a combination of regular exercise, dietary changes, and lifestyle adjustments. For most adults, an HDL level of 60 mg/dL or higher is considered protective, while levels below 40 mg/dL in men or 50 mg/dL in women signal increased cardiovascular risk. The good news is that several proven strategies can move your numbers in the right direction.
HDL particles act as your body’s cholesterol cleanup crew. They travel through your bloodstream, pull excess cholesterol out of artery walls and other tissues, and carry it back to the liver, where it’s either recycled or eliminated through bile. This process, called reverse cholesterol transport, is the main reason higher HDL levels are linked to lower heart disease risk.
Exercise Is the Most Reliable Way to Raise HDL
Aerobic exercise consistently raises HDL more than almost any other lifestyle change, but it takes a certain intensity and volume to see results. Research has identified a threshold of about 75% of your maximum heart rate for men to see meaningful HDL increases. In one study, men who exercised at that intensity three times a week for 12 weeks raised their HDL significantly, while those working out at a lower intensity saw no change.
For runners, the threshold sits around 7 to 10 miles per week, though some research suggests it can take nine months or more at that volume before HDL levels begin to shift. For non-runners, a weekly caloric burn of at least 1,000 calories through exercise appears to be the minimum effective dose. That’s roughly equivalent to brisk walking for about 30 minutes five days a week, plus a couple of more vigorous sessions.
Women appear to respond differently. A 24-week study of women aged 29 to 40 found that moderate-intensity walking raised HDL just as effectively as high-intensity exercise, as long as the total distance was adequate (about 3 miles per session). This suggests that for women, consistency and total volume matter more than pushing for high intensity. A practical starting point for anyone is 20 minutes of continuous exercise, gradually building to 45 or 60 minutes, three to five times per week.
Swap Your Fats, Don’t Just Cut Them
The type of fat you eat matters more for HDL than the total amount. Monounsaturated fats, the kind found in olive oil, avocados, and most nuts, actively support HDL levels. In a study of older adults, consuming about 3.5 tablespoons of extra virgin olive oil daily for six weeks raised HDL by roughly 6 mg/dL in both men and women. A separate study in healthy men found that even 2 tablespoons a day for three weeks produced a modest bump, particularly when the olive oil was high in plant compounds called polyphenols.
On the flip side, trans fats are uniquely harmful because they simultaneously raise LDL (bad cholesterol) and lower HDL. While partially hydrogenated oils have been largely phased out of the food supply, trans fats still show up in some commercial baked goods, frozen pizzas, microwave popcorn, nondairy coffee creamers, and fried foods from restaurants that haven’t updated their cooking oils. Reading ingredient labels for “partially hydrogenated oil” is the most reliable way to spot them.
Reduce Refined Carbohydrates
Low-carbohydrate diets tend to raise HDL substantially. In one documented case, switching to a very low-carb, high-fat diet more than doubled HDL from 48 to 109 mg/dL. That’s an extreme example, but the pattern holds across broader research: replacing refined carbohydrates (white bread, sugary drinks, pastries) with healthy fats and protein reliably pushes HDL upward. You don’t need to go fully ketogenic to benefit. Simply cutting back on sugar and processed grains while increasing your intake of nuts, seeds, fatty fish, and olive oil shifts the balance in the right direction.
Lose Weight if You’re Carrying Extra
Excess body fat suppresses HDL production. The relationship is consistent enough to quantify: for every kilogram (about 2.2 pounds) of weight lost, HDL rises by roughly 1 mg/dL. That means losing 10 to 15 pounds could raise your HDL by 5 to 7 mg/dL, which is clinically meaningful when combined with other changes. The HDL benefit of weight loss also compounds with exercise, since the two strategies work through partly different mechanisms.
Quit Smoking
Smoking directly suppresses HDL levels. The chemicals in cigarette smoke damage HDL particles and interfere with the cholesterol transport process. HDL levels begin recovering relatively quickly after quitting, and former smokers eventually reach HDL levels comparable to people who never smoked. If you currently smoke, quitting is one of the fastest and most impactful things you can do for your HDL and your overall cardiovascular risk.
Eat More Colorful Produce
Purple and deep-red fruits and vegetables contain pigments called anthocyanins that appear to raise HDL while lowering LDL and triglycerides. Blueberries, blackberries, red cabbage, eggplant (with the skin), and cherries are particularly rich sources. You don’t need to eat enormous quantities. A cup or two of berries daily, or regularly including these foods in meals, adds up over time.
Alcohol: A Small Benefit With Real Risks
Moderate alcohol consumption, defined as one drink per day for women and one to two for men, may slightly raise HDL. But the emphasis belongs on “slightly.” The HDL benefit is modest, and alcohol adds excess calories, contributes to weight gain, and carries risks including high blood pressure, heart failure, and stroke when consumed in larger amounts. A standard drink is smaller than most people assume: 12 ounces of beer, 4 ounces of wine, or 1.5 ounces of spirits. If you don’t currently drink, starting for the sake of HDL is not recommended. People with heart rhythm abnormalities or heart failure should avoid alcohol entirely.
Why Niacin Supplements Fell Out of Favor
Niacin (vitamin B3) was once widely recommended for raising HDL. It does increase HDL levels in blood tests, but clinical trials revealed a paradox: despite improving cholesterol numbers, niacin did not reduce cardiovascular events and may actually increase overall mortality. Research from the Cleveland Clinic has suggested that excess niacin may cause harmful effects that offset its cholesterol benefits. Over-the-counter niacin supplements are no longer considered a reliable strategy for heart health, and the focus has shifted toward diet, exercise, and lifestyle changes as the primary tools.
When Genetics Work Against You
Some people do everything right and still have stubbornly low HDL. Familial HDL deficiency is a genetic condition caused by mutations in genes responsible for building HDL particles. These mutations prevent cholesterol from being properly packaged into HDL, resulting in chronically low levels regardless of lifestyle. If your HDL remains low despite sustained exercise, a healthy diet, and maintaining a healthy weight, genetics may be playing a role. In these cases, your overall cardiovascular risk profile, including LDL, triglycerides, blood pressure, and blood sugar, becomes even more important to manage.