What Can Lower Cholesterol: Diet, Exercise & Meds

Several lifestyle changes can meaningfully lower cholesterol, and for many people, they work well enough to avoid or delay medication. The most effective strategies target LDL (the “bad” cholesterol) through diet, exercise, and weight management. When lifestyle changes aren’t enough on their own, medications can cut LDL by 25% to over 50%, depending on the type and dose.

Eat More Soluble Fiber

Soluble fiber is one of the most reliable dietary tools for lowering LDL cholesterol. It works by binding to cholesterol in your digestive tract and carrying it out of your body before it reaches your bloodstream. A dose-response meta-analysis published in Advances in Nutrition found that every 5 grams per day of soluble fiber lowered LDL by about 5.5 mg/dL, and 10 grams per day brought that reduction to nearly 11 mg/dL. Beyond 10 grams, the additional benefit plateaus.

Good sources include oats, barley, beans, lentils, apples, citrus fruits, and flaxseed. A bowl of oatmeal has roughly 2 grams of soluble fiber, a cup of cooked black beans about 4 grams. Getting to that 10-gram target usually means building these foods into multiple meals rather than relying on a single one.

Swap Your Fats

Replacing saturated fat with unsaturated fat consistently lowers both total and LDL cholesterol. Saturated fat, found mainly in red meat, butter, cheese, and coconut oil, raises LDL more than any other dietary component. Swapping it for polyunsaturated fats (found in walnuts, sunflower seeds, and fatty fish) or monounsaturated fats (olive oil, avocados, almonds) reduces LDL without lowering your protective HDL cholesterol.

A Mediterranean-style eating pattern built around olive oil, nuts, fish, vegetables, and whole grains has been shown to lower LDL and improve blood vessel function compared to diets high in saturated fat. You don’t need to eliminate saturated fat entirely. The goal is to shift the ratio so that most of the fat in your diet comes from plant-based or seafood sources.

Plant Sterols and Stanols

Plant sterols and stanols are natural compounds found in small amounts in grains, nuts, and vegetables. They compete with cholesterol for absorption in your gut, so less cholesterol ends up in your blood. At doses of 2 to 2.5 grams per day, they lower LDL by roughly 9% to 11%. Even smaller amounts help: 1 to 1.5 grams per day reduces LDL by about 7% to 8.5%.

You won’t get enough from food alone. Most people who use these take them through fortified products like certain margarines, orange juices, or yogurt drinks, or as supplements. Current lipid management guidelines include 2 grams per day of plant sterols or stanols as a recommended dietary addition alongside other healthy eating habits.

Get Moving

Regular aerobic exercise raises HDL (the “good” cholesterol that helps clear LDL from your arteries) and modestly lowers LDL and triglycerides. The American Heart Association recommends at least 150 minutes per week of moderate-intensity activity, or 75 minutes of vigorous activity. Moderate intensity means your heart rate is up and your breathing is heavier, but you can still hold a conversation. Vigorous intensity means you’d struggle to talk without getting out of breath.

Adding strength training at least two days per week provides additional cardiovascular benefit. And there’s a dose-response effect: bumping up to 300 minutes per week of moderate activity produces even greater improvements. Walking, cycling, swimming, and jogging all count. Consistency matters more than the specific activity you choose.

Lose a Modest Amount of Weight

If you’re carrying extra weight, losing even 5% to 10% of your body weight significantly reduces triglycerides and total cholesterol. For someone who weighs 200 pounds, that’s 10 to 20 pounds. People who lose more than 10% see even larger improvements across triglycerides, total cholesterol, and LDL.

In people with additional risk factors like elevated blood sugar, modest weight loss of 5% to 10% was enough to improve fasting glucose and triglycerides, though LDL reductions in this higher-risk group were more pronounced once weight loss exceeded 10%. The takeaway: you don’t need to reach an “ideal” weight to see real changes in your lipid panel.

Omega-3s for High Triglycerides

If your triglycerides are high, omega-3 fatty acids from fish oil can help. At lower doses (the amount in a typical over-the-counter supplement), the effect is modest. But at a therapeutic dose of 4 grams per day of EPA and DHA, which requires a prescription formulation, the American Heart Association recognizes a significant triglyceride-lowering effect. Omega-3s don’t lower LDL directly, but high triglycerides often travel alongside unhealthy cholesterol ratios, and bringing them down reduces your overall cardiovascular risk.

Eating fatty fish like salmon, mackerel, or sardines two or more times per week is a reasonable dietary approach. For people whose triglycerides remain high despite statin therapy, prescription-strength omega-3s are sometimes added as a second treatment.

When Medication Is Needed

Lifestyle changes are always the foundation, but some people need medication to reach safe cholesterol levels. Current guidelines use your overall 10-year risk of heart disease, not just your cholesterol number, to determine when drugs make sense. For people at intermediate risk (5% to 10% over the next decade), the target is typically an LDL below 100 mg/dL. For those at high risk (10% or greater), the goal drops to below 70 mg/dL. People who already have heart disease aim for below 55 mg/dL.

Statins remain the first-line medication. They’re classified by how aggressively they lower LDL: low-intensity versions reduce it by 20% to 25%, moderate-intensity by 30% to 49%, and high-intensity by 50% or more. Most people start at moderate intensity and adjust from there.

For people who can’t tolerate statins or who need additional lowering beyond what statins achieve, other options exist. One medication works by blocking cholesterol absorption in the gut. Another, bempedoic acid, lowers LDL by about 25% on its own and around 40% when combined with the absorption blocker. A newer class of injectable medications called PCSK9 inhibitors can slash LDL by roughly 50% and are typically reserved for people at very high risk or with genetically driven high cholesterol.

Combining Strategies for the Best Results

No single change works as well as several changes together. Adding 10 grams of soluble fiber, 2 grams of plant sterols, regular exercise, and a shift away from saturated fat can collectively lower LDL by 20% to 30% in some people, which rivals a moderate-intensity statin. For those already on medication, these same habits can push cholesterol levels lower than drugs alone and improve triglycerides, blood pressure, and blood sugar at the same time.

Cholesterol responds to sustained habits, not short bursts of effort. Most dietary changes show measurable effects on blood work within four to six weeks, and exercise-related improvements in HDL typically appear within two to three months of consistent activity.