How to Increase HDL Cholesterol: 10 Proven Ways to Raise Your Good Cholesterol

HDL (high-density lipoprotein) acts like a cleanup crew in your bloodstream. It picks up excess cholesterol from artery walls and carries it back to the liver for removal. Higher HDL levels are linked to lower cardiovascular disease risk in study after study.

You can raise your HDL naturally through diet, exercise, and lifestyle changes. Below are 10 methods backed by research, plus how to track your progress.

What Is a Good HDL Level?

The American Heart Association defines HDL levels as:

How to Increase HDL Cholesterol Naturally

HDL (high-density lipoprotein) works like a cleanup crew in your bloodstream, carrying excess cholesterol away from artery walls and back to the liver. Higher HDL levels are linked to lower cardiovascular risk, and you can raise HDL through targeted lifestyle changes.

Below is a concise, research-backed guide to improving HDL levels and tracking your progress over time.

What Is a Good HDL Level?

According to the American Heart Association:

• Optimal: ≥ 60 mg/dL (protective against heart disease)
• Acceptable: 40–59 mg/dL
• Low (risk factor):
• Men: < 40 mg/dL
• Women: < 50 mg/dL

Low HDL is an independent risk factor for cardiovascular disease, even when LDL is in range. The 2018 ACC/AHA cholesterol guidelines list low HDL as a risk-enhancing factor.

Apps like Cole AI can help you track HDL over time, flag low values, and surface personalized suggestions based on your trends.

1. Exercise Regularly (Most Reliable HDL Booster)

Aerobic exercise is the most consistent lifestyle tool for raising HDL.

• A meta-analysis of 25 RCTs found aerobic exercise increased HDL by ~2.5 mg/dL.
• Best results: ≥ 120 minutes/week of moderate–high intensity.
• Effective options: brisk walking, jogging, cycling, swimming.

Key principle: consistency beats intensity. Aim for 30 minutes of brisk activity at least 5 days per week. High-intensity interval training (HIIT) may provide an extra HDL boost, especially in people with metabolic syndrome.

2. Eat More Healthy Fats

Monounsaturated and polyunsaturated fats tend to raise HDL, while trans fats lower it.

HDL-friendly fat sources:

• Extra-virgin olive oil
• Avocados
• Nuts (almonds, walnuts, pistachios)
• Fatty fish (salmon, mackerel, sardines, herring, trout)
• Seeds (flaxseed, chia seeds)

The PREDIMED trial showed that a Mediterranean diet enriched with extra-virgin olive oil or nuts improved HDL function and reduced major cardiovascular events by ~30%.

Practical swaps:

• Use olive oil instead of butter or shortening.
• Add a handful of nuts as a snack.
• Include avocado in salads or on whole-grain toast.

3. Lose Excess Weight

Weight loss improves HDL in a dose-dependent way.

• Rough guide: for every ~6 lb (2.7 kg) lost, HDL may rise ~1 mg/dL.
• A review found HDL increased 0.35 mg/dL per kg of weight lost, with the best results when weight loss was maintained for > 1 year.

Combining diet + exercise produces larger HDL gains than dieting alone.

4. Quit Smoking

Smoking suppresses HDL. Stopping can raise HDL quickly:

• Meta-analyses show HDL can increase by ~4 mg/dL within 2–4 weeks after quitting, with further improvements over time.

If you smoke and have low HDL, cessation is one of the highest-impact changes you can make for your heart.

5. Add More Fiber to Your Diet

Soluble fiber improves your lipid profile by lowering LDL and modestly raising HDL.

Top soluble fiber sources:

• Oats and oat bran
• Barley
• Beans and lentils
• Apples, citrus fruits
• Psyllium husk

Aim for 25–30 g total fiber/day, including 10–15 g from soluble fiber. Most people get only ~15 g/day, so nearly everyone benefits from increasing intake.

6. Eat Fatty Fish Twice a Week

Omega-3 fatty acids (EPA and DHA) from fish can:

• Modestly raise HDL
• Lower triglycerides

The AHA recommends fatty fish at least twice per week.

Best options: salmon (especially wild-caught), mackerel, sardines, herring, trout.

If you do not eat fish, consider fish oil supplements (commonly 1–2 g/day of combined EPA + DHA), after discussing with your clinician.

7. Drink Alcohol in Moderation (or Not at All)

Moderate alcohol intake is associated with higher HDL:

• Meta-analyses suggest ~4 mg/dL HDL increase with moderate consumption.

However, alcohol carries significant risks (addiction, liver disease, cancer, accidents). Major guidelines do not recommend starting alcohol for heart health.

• If you already drink, keep it moderate:
• Women: up to 1 drink/day
• Men: up to 2 drinks/day
• If you do not drink, do not start for HDL.

8. Choose Purple and Red Foods

Anthocyanins (pigments in red/purple plants) can improve HDL.

Anthocyanin-rich foods:

• Blueberries, blackberries
• Purple grapes
• Red cabbage
• Eggplant (with skin)
• Pomegranates

Supplement studies in people with dyslipidemia have shown ~10–15% HDL increases over 2–3 months.

9. Reduce Refined Carbohydrates and Sugar

High intake of added sugars and refined carbs tends to:

• Lower HDL
• Raise triglycerides

Excess sugar is converted to triglycerides in the liver, which suppresses HDL production.

Targets (AHA):

• Women: ≤ 25 g added sugar/day
• Men: ≤ 36 g added sugar/day

Most people exceed these limits, often via sugary drinks, sweets, and refined grains.

Focus on:

• Minimizing soda, juice, energy drinks
• Swapping white bread, pastries, and sweets for whole grains and whole fruits

10. Consider Supplements (With Medical Guidance)

Supplements should be add-ons, not substitutes for lifestyle changes.

Common options:

• Niacin (Vitamin B3):
• Can raise HDL by 15–35%.
• Prescription niacin is now used less due to flushing, liver toxicity, and lack of outcome benefit when added to statins.
• Omega-3 fish oil:
• Modest HDL increase, stronger effect on lowering triglycerides.
• Coenzyme Q10 (CoQ10):
• Some evidence for small HDL improvements, especially in people on statins.

Always discuss with your clinician before starting, especially if you take other medications or have liver, kidney, or bleeding issues.

How to Track Your HDL Progress

Raising HDL is gradual; most interventions need 8–12 weeks to show up on labs.

Suggested approach:

1. Get a baseline lipid panel (HDL, LDL, triglycerides, total cholesterol).
2. Choose 2–3 strategies from the list (e.g., exercise + Mediterranean-style diet + fiber).
3. Apply them consistently for at least 3 months.
4. Repeat your lipid panel.
5. Compare results and adjust (e.g., add weight loss focus, refine diet, or address smoking).

Tools like Cole AI can:

• Log your lipid results from a photo of your lab report.
• Track HDL, LDL, triglycerides, and total cholesterol over time.
• Calculate your triglyceride-to-HDL ratio, which some clinicians use as an additional risk indicator.

Low HDL Symptoms

Low HDL itself is silent—it does not cause symptoms. You will not feel different if your HDL is 35 vs. 65 mg/dL.

Because it is symptomless, regular testing is essential, especially if you have other risk factors (family history, high blood pressure, diabetes, smoking, obesity).

Highest-Impact Steps to Raise HDL

In terms of overall impact and evidence, prioritize:

1. Exercise regularly: ≥ 150 minutes/week of moderate activity (or 75 minutes vigorous), plus some resistance training.
2. Eat more healthy fats: Mediterranean-style pattern with olive oil, nuts, seeds, and fatty fish.
3. Lose excess weight: even 5–10% body weight loss can meaningfully improve HDL.
4. Quit smoking: rapid and substantial HDL and overall risk benefit.
5. Cut refined carbs and added sugar: especially sugary drinks and white flour products.

Start with one or two changes you can sustain, then layer in more over time. Track your numbers and habits so you can see progress, not just guess.

Your heart does not need perfection—it needs steady, realistic progress over months and years.