Your body actually removes cholesterol on its own, every day. The liver processes and excretes 800 to 1,200 mg of cholesterol through bile into the intestine daily, where much of it leaves through stool. The real question behind “getting rid of cholesterol” is how to tip that balance so less stays in your blood. That comes down to a combination of diet, movement, and sometimes medication.
How Your Body Removes Cholesterol
The liver is the command center. It pulls cholesterol from your bloodstream, converts some of it into bile acids, and dumps it into your intestine. From there, the cholesterol either gets reabsorbed or exits through your stool. When you eat more cholesterol, the liver compensates by ramping up bile acid production and pushing more cholesterol into bile, which reduces how much dietary cholesterol your gut actually absorbs.
This built-in regulation system is why dietary cholesterol alone isn’t the main driver of high blood levels for most people. The bigger factors are how much saturated fat you eat (which signals the liver to produce more cholesterol) and how efficiently your body clears it from the bloodstream. Everything below works by influencing one or both of those mechanisms.
Know Your Target Numbers
The most recent guidelines from the American College of Cardiology and American Heart Association set an LDL goal below 100 mg/dL for people at borderline or intermediate cardiovascular risk. If you’re at high risk, the target drops to below 70 mg/dL. People who already have heart disease and are at very high risk of another event should aim for LDL below 55 mg/dL. HDL, the protective form, is generally best above 40 mg/dL for men and 50 mg/dL for women.
Dietary Changes That Lower LDL
Swap Saturated Fat for Unsaturated Fat
This is the single most impactful dietary change. Replacing butter, fatty meat, cheese, and coconut oil with sources of unsaturated fat (olive oil, avocados, nuts, fatty fish) directly lowers LDL. Research shows that for every gram of saturated fat you replace with unsaturated fat, LDL drops by roughly 0.4% to 2.8%. That range is wide because it depends on how much you replace and with what type, but even modest swaps add up. Switching from butter to olive oil when cooking, or choosing salmon over a ribeye twice a week, moves the needle.
Eat More Soluble Fiber
Soluble fiber acts like a sponge in your gut, binding to bile acids (which are made from cholesterol) and pulling them out through your stool. The liver then has to pull more cholesterol from your blood to make replacement bile. Five to 10 grams of soluble fiber per day measurably lowers LDL. Good sources include oats (about 2 grams per cup cooked), beans and lentils (2 to 3 grams per half cup), apples, citrus fruits, and barley. A bowl of oatmeal with some berries for breakfast and a cup of lentil soup at lunch gets you most of the way there.
Add Plant Sterols and Stanols
These naturally occurring compounds, found in small amounts in vegetables, nuts, and grains, block cholesterol absorption in the gut. They’re structurally similar to cholesterol and essentially compete with it for absorption. At 2 grams per day, plant sterols lower LDL by 8% to 10%. You won’t easily get 2 grams from whole foods alone, but fortified products (certain margarines, orange juice, yogurt drinks) are designed to deliver about 0.65 grams per serving. Two servings a day with meals hits the recommended minimum of 1.3 grams, and three gets you to the optimal 2 grams.
Exercise Improves Both LDL and HDL
Regular aerobic exercise works on cholesterol from both directions. In a study of healthy young men who followed a 12-week moderate-intensity program, LDL dropped by 7.2% and HDL rose by 6.6%. Stepping up to high-intensity exercise pushed HDL up another 8.2% beyond the moderate-intensity gains.
Perhaps more importantly, exercise improved cholesterol efflux capacity, which is your body’s ability to pull cholesterol out of artery walls and transport it back to the liver for removal, by 13.5%. This is the cleanup process that actually protects arteries, and moderate exercise alone was enough to trigger it. Most guidelines recommend at least 150 minutes per week of moderate activity (brisk walking, cycling, swimming) or 75 minutes of vigorous activity. Consistency matters more than intensity for most people starting out.
Quit Smoking for a Fast HDL Boost
Smoking suppresses HDL, the form of cholesterol that helps clear harmful LDL from your arteries. The good news is that the damage reverses quickly. In one study, HDL levels rose by about 5.7 mg/dL within just 30 days of quitting. By day 60, ex-smokers gained another 6.8 mg/dL, reaching an average HDL of nearly 64 mg/dL. People who started smoking again saw their levels drop right back down. The takeaway: the HDL suppression from smoking isn’t permanent or cumulative. Your body starts recovering within weeks.
When Lifestyle Changes Aren’t Enough
Some people do everything right and still have high LDL. Genetics play a large role in how much cholesterol your liver produces and how efficiently your body clears it. If your numbers stay elevated after sustained lifestyle changes, medication becomes the next step.
Statins remain the first-line option. Moderate-intensity versions lower LDL by 30% to 49%, while high-intensity versions cut it by 50% or more. For people who can’t tolerate statins or need additional lowering, a cholesterol absorption blocker can reduce LDL by another 13% to 25% when added to a statin, or 15% to 19% on its own. For the most stubborn cases, injectable medications that block a protein called PCSK9 can slash LDL by about 50% alone, or roughly 70% when combined with a statin.
These medications work through different mechanisms, so they can be layered. Your doctor will typically start with a statin and add others only if your LDL isn’t reaching its target.
Putting It All Together
No single change eliminates high cholesterol. The most effective approach stacks multiple strategies. Replace saturated fats with unsaturated ones to reduce how much cholesterol your liver produces. Eat soluble fiber and plant sterols to block cholesterol absorption in the gut and pull more out through bile. Exercise regularly to improve your body’s ability to transport cholesterol out of artery walls and back to the liver. If you smoke, quit, and expect to see HDL improvements within a month.
These changes are additive. Someone who swaps cooking fats, adds 10 grams of soluble fiber, includes 2 grams of plant sterols, and exercises regularly could realistically lower LDL by 20% to 30% without medication. For many people at moderate risk, that’s enough to get below the 100 mg/dL threshold. For those who need more, medication can close the remaining gap.