Lowering Cholesterol Naturally with Lifestyle Changes: A Step-by-Step Guide

February 28, 2026 - Behnaz Atree, MD

Your cholesterol is usually tested during your annual physical exam. So, what is cholesterol and why is it important to know your cholesterol numbers?

Cholesterol is a waxy substance, a necessary lipid in our body, which is required for our body to function.  It maintains the outer covering of the cells in our body, serves as the backbone for numerous hormones and vitamin D, is the starting material for bile acid, and plays a critical role in our nervous system function.  However, when the levels of cholesterol become elevated, especially in the presence of inflammation and metabolic dysfunction, the risk of cardiovascular disease goes up.  Elevated cholesterol forms plaques in artery walls, causes a constriction, and restricts blood flow.  This can lead to less oxygen to the heart muscle and can lead to a heart attack.  That’s why understanding cholesterol and how to manage it is important towards protecting your heart.

Lifestyle interventions including dietary modifications, increasing physical activity, sleep optimization and stress management have been shown to reduce cholesterol levels.  Here is a step-by-step guide on how to get started.

Step 1 – Know and understand your Cholesterol numbers

When you get your cholesterol panel, you will see it consists of Total cholesterol, LDL cholesterol, HDL cholesterol and triglycerides.  What do these numbers mean?

• LDL low density lipoprotein) cholesterol:  often called the “bad cholesterol”, it is the primary driver of atherosclerosis and increases risk of heart disease (optimal is under 70).
• HDL (high density lipoprotein) cholesterol: “good cholesterol” is protective as it helps remove cholesterol from arteries. Can be improved with exercise (optimal is over 40 for males and over 50 for females).
• Triglycerides: is a type of fat in the blood stream.  It contributes to a higher cardiovascular risk. A diet low in fat can reduce these (optimal is under 150).

Step 2 – Increase soluble fiber in your diet daily

Dietary fiber lowers cholesterol through various mechanisms –

• Soluble fiber creates greater viscosity in the intestine, which slows the absorption of cholesterol and increases excretion, which lowers cholesterol levels.
• Soluble fiber binds bile acid, so the liver converts more cholesterol into bile acids to make up for those that are lost. Over time, this lowers LDL cholesterol levels.
• Soluble fiber is fermented by gut bacteria producing short chain fatty acids. These are transported to the liver where they inhibit the enzyme responsible for cholesterol synthesis, which results in lower cholesterol.

When you eat soluble fiber (oats, whole grains, legumes, beans, fruits), it almost works as a sponge, cleaning up excess cholesterol and disrupting the production of new cholesterol, leading to lower LDL cholesterol (bad cholesterol) levels.

The most fiber-rich foods for lowering cholesterol are oats, barley, psyllium, legumes (beans, peas, lentils) and fruits high in pectin (apples, citrus fruits, pears).

Action Step: Add one fiber-rich food to each meal. Pick at least one from the list below:

• Replace cold cereal with oatmeal or steel-cut oats
• Stir chia seeds or ground flaxseed into yogurt or smoothies
• Add apples or berries to oatmeal
• Add black beans or cannellini beans to salad and grain bowls
• Add quinoa to salad and grain bowls
• Stir lentils into soups
• Choose barley instead of white rice

Aim to gradually increase fiber intake and to hydrate to avoid digestive discomfort. If you have gastrointestinal tolerance issues it is best to work with your physician or a registered dietician.

Step 3: Improve Fat Quality (not just fat quantity)

Dietary fats ranked from best to worst for cardiovascular health as follows:

• Polyunsaturated fatty acids (PUFAs), particularly omega-3 fatty acids, rank highest for cardiovascular protection. These are found in fatty fish like salmon and fish oils as well as plant-based sources like flaxseed, walnuts and chia seeds.
• Monounsaturated fatty acids (MUFAs) rank second, which includes olive oil, avocados and almonds.
• Saturated fatty acids rank low and include full-fat dairy products, fatty meats, butter, lard, and tropical oils like coconut and palm oil. These raise total cholesterol and LDL cholesterol and should be replaced by healthier fats.
• Trans fatty Acids (TFAs) are industrially produced from partially hydrogenated vegetable oils and are shown to increase cardiovascular risk. These are now banned in the US and should be eliminated from the diet.

Action Step: Replace saturated fats with unsaturated fats by making some simple swaps. Try to make 1 swap a day

• Olive oil instead of butter
• Nuts instead of processed foods for snacks
• Fatty fish instead of processed meats

Step 4 – Move your body to improve cholesterol

Physical activity lowers cholesterol by increasing the skeletal muscle’s ability to use lipids as fuel rather than glycogen, which reduces cholesterol level in the body. It results in higher HDL cholesterol (good cholesterol), lower LDL cholesterol (bad cholesterol) and lower triglycerides.

The optimal exercise prescription for lowering cholesterol is combined aerobic and resistance training –moderate intensity aerobic exercise for 150-300mins/week and 2-3 sessions of resistance training per week.

It is best to start slowly with low-intensity activities and gradually progress towards your goal. If you have not exercised in the past 3 months and/or have any health problems that do not allow you to exercise, it is best to talk with your Primary Care Provider before getting started and consider working with a trainer.

Action Step: Start slow movement – a 10-minute walk daily and build up to 20-30 mins daily as tolerated. Take short movement breaks throughout the day.

Step 5 – Improve Sleep to Reduce Inflammation

Sleep deprivation increases inflammation and can negatively affect cholesterol metabolism.
7-8 hours of sleep nightly have been shown to be optimal for heart health.
Action Step – Pick from 1 of the following sleep hygiene tips to get started

• Keep consistent sleep and wake times
• Reduce screen exposure before bed
• Create a cool, dark sleep environment

Step 6: Reduce Chronic Stress to Protect your Heart

Chronic stress contributes to elevated cortisol, inflammation and metabolic dysfunction, all of which affect cholesterol levels.
Addressing stress may complement dietary modifications, exercise and sleep optimization.Action Step: Pick from 1 of the lifestyle strategies listed below that best align with you to decrease stress

• Daily breathing exercises
• Mindfulness practices
• Spend time in nature
• Social connection with friends and family
• Set healthy work boundaries

Step 7: Consider Advanced Testing to Better Understand Your Risk

Standard cholesterol panels which include total cholesterol, LDL, HDL and triglycerides provide helpful information but sometimes they don’t give the full picture. For some individuals additional testing can characterize cardiac risk more accurately and can guide treatment decisions. It may be helpful in the following situations:

• Your LDL (bad cholesterol) is borderline and treatment decisions are unclear
• You have a strong family history of cardiovascular disease
• You want a more personalized risk assessment

Apolipoprotein B (ApoB): Measure of the total number of plaque forming lipoprotein particles (each LDL, VLDL, IDL and Lp(a) contain one ApoB particle) in the blood. This makes ApoB a direct measure of particle number and it may make it a more precise risk marker than LDL cholesterol concentration alone.

Lipoprotein(a) (Lp(a)): A Genetically Determined, Independent Risk Factor. Lp(a) are genetically determined, remain stable during adult life and require only one lifetime measurement. Lifestyle changes do not significantly change Lp(a) levels. Many guidelines suggest checking Lp(a) if there is a family history of heart disease.

Coronary Artery Calcium (CAC) Score: Direct Measure of Atherosclerotic Burden. A CAC score detects calcified plaque in the coronary arteries. It helps answer if plaque has already begun forming.

Action Step: Discuss advanced testing with your Primary Care Physician if your cholesterol is borderline, if you have a strong family history of heart disease, or if there is any uncertainty about starting medication.

Lifestyle Medicine doesn’t replace medication when it is clearly indicated – it strengthens and complements it. For some people, genetics or existing heart disease make medication necessary. Even then, lifestyle changes are essential as they will improve medication effectiveness and reduce overall cardiovascular risk.

What Makes Results Last?

Sustainable cholesterol improvement comes from:

• Small, repeatable habits
• Focusing on food quality, not restriction
• Building routines gradually
• Addressing sleep and stress alongside nutrition and exercise
• Looking at heart health as a long-term investment

Lowering cholesterol naturally is not about targeting a single lab value, perfection or restriction. It is about consistent, realistic habits that support your heart over time.

Sources:
Lipid Lowering With Soluble Dietary Fiber.
Current Atherosclerosis Reports. 2016. Surampudi P, Enkhmaa B, Anuurad E, Berglund L.

Cardiometabolic Benefits of Replacing Saturated Fatty Acids With Unsaturated Fatty Acids.
Current Opinion in Clinical Nutrition and Metabolic Care. 2025. Risérus U, Fridén M.

Effects of the Amount and Intensity of Exercise on Plasma Lipoproteins.
The New England Journal of Medicine. 2002. Kraus WE, Houmard JA, Duscha BD, et al

Apolipoprotein B Compared With Low-Density Lipoprotein Cholesterol in the Atherosclerotic Cardiovascular Diseases Risk Assessment.
Pharmacological Research. 2023. Galimberti F, Casula M, Olmastroni E

Coronary Artery Calcium: Where Do We Stand After Over 3 Decades?.
The American Journal of Medicine. 2021. Grundy SM, Stone NJ.

Behnaz Atree, MD

Dr. Behnaz Atree has been a practicing Primary Care physician in Raleigh, NC, for over 20 years. Dr. Atree has become certified in Lifestyle Medicine in 2022 as well as Health and Wellness Coaching in 2023. She is excited to integrate her experience in Internal Medicine with her training in Lifestyle Medicine and Health Coaching to provide evidence-based, therapeutic lifestyle interventions through Carolina Lifestyle Medicine.

Click here to read more about Dr Behnaz Atree, MD