Food doesn’t just fuel your body—it sends powerful signals that shape how your cells, hormones, and metabolism function every day. The choices you make at each meal influence how your body handles fats, sugar, and inflammation, all of which play a role in long-term heart and metabolic health. Understanding what’s happening inside your body can help you make choices that truly support your well-being.

Eating the right foods is one of the most effective ways to improve your cholesterol and protect your health. HDL is known as “good” cholesterol because it helps remove excess cholesterol from your blood. LDL is called “bad” cholesterol because it can build up in your arteries and increase the risk of heart disease (1). High triglycerides—another type of fat in your blood—also raise your risk for heart and metabolic diseases (2).

Following a diet that raises HDL, lowers LDL, and reduces triglycerides can help decrease inflammation, improve insulin sensitivity, and lower your risk of heart disease and type 2 diabetes (1,3).

1. Healthy Fats

Saturated fats are usually solid at room temperature and are found in foods like butter, cheese, whole milk, fatty meats (such as beef and pork), and tropical oils like palm oil. Eating too much saturated fat can raise LDL cholesterol and increase your risk of heart disease (4).

It’s better to choose more monounsaturated fats and omega-3 fatty acids. These healthy fats can improve your cholesterol levels and support heart health (5–6).

What Are Monounsaturated Fats and Omega-3s?

These are types of healthy fats that support your heart, metabolism, and cholesterol balance.

  • Monounsaturated fats
    • Found in olive oil, avocados, olives, almonds, cashews
    • What they do: help raise HDL (“good” cholesterol) and support heart health
  • Omega-3 fatty acids
    • Found in walnuts, chia seeds, and flaxseeds
    • What they do: reduce inflammation, lower triglycerides, and support healthy cholesterol levels
How They Improve Your Lipid Profile

Raise HDL (“good” cholesterol):

  • Monounsaturated fats—like those in olive oil and avocados—can increase HDL (“good” cholesterol), which helps remove excess cholesterol from your blood (1,5).

Lower LDL (“bad” cholesterol):

  • Omega-3 fatty acids—found in nuts and seeds—can help reduce LDL (“bad” cholesterol), the type that can build up in arteries (6–7).

Lower triglycerides:

  • Omega-3s are especially effective at lowering triglycerides by reducing how much your liver produces and helping your body clear them from the blood (6–7).

Best sources:

  • Extra-virgin olive oil, avocados, olives, almonds, cashews, macadamia nuts, chia seeds, flaxseeds, walnuts, hemp seeds, and algae oil.

Studies show that people who eat more unsaturated fats—especially from olive oil—have healthier HDL and LDL levels. Omega-3s provide additional benefits by lowering triglycerides (5–7).

2. Soluble Fiber

Eating foods rich in soluble fiber can help improve cholesterol levels. This type of fiber binds to cholesterol and bile acids (digestive helpers made from cholesterol that assist in breaking down and storing fat), allowing your body to eliminate them rather than reabsorbing them. This process prompts your liver to pull more LDL cholesterol from your blood to create new bile acids, which lowers LDL levels (8).

Foods high in soluble fiber—such as oats, beans, lentils, apples, citrus fruits, and flaxseeds—can reduce LDL cholesterol by 5–10% when eaten regularly (8).

  • Lowers LDL: Soluble fiber reduces how much cholesterol your body absorbs from food, prompting your liver to use more LDL cholesterol to replace what’s lost (8).
  • Supports HDL: While fiber doesn’t directly raise HDL, it helps HDL function more effectively by keeping fat and sugar metabolism balanced (1,9).
  • Lowers Triglycerides: Soluble fiber slows how quickly your body absorbs sugars and fats, helping lower triglyceride levels (9).

Best sources: Oats, beans, apples, citrus fruits, and flaxseeds.

3. Antioxidant-Rich Foods

Antioxidants and polyphenols—nutrients found in plant foods—protect cholesterol from damage and support heart and metabolic health.

  • Improves HDL Function: Antioxidants help HDL (“happy”) cholesterol work more efficiently to remove excess cholesterol and reduce inflammation. Foods like berries and leafy greens are especially rich in these compounds (10–11).
  • Reduces LDL Oxidation: When LDL (“lousy”) cholesterol becomes oxidized, it can stick to artery walls and form blockages. Antioxidants prevent this oxidation, making LDL less harmful (10–12).

Antioxidants also lower inflammation and improve how your body uses insulin, helping regulate blood sugar and reduce the risk of diabetes and other metabolic conditions (9–12).

Best sources: Berries, dark chocolate, leafy greens (such as spinach and kale), and green tea.

Why This Matters for Your Health

Keeping your cholesterol levels in a healthy range supports not only your heart but your entire metabolism. Balanced cholesterol is linked to:

  • Better insulin sensitivity and blood sugar control
  • Less inflammation throughout the body
  • Lower risk of heart disease and stroke
  • More stable energy and easier weight management

Choosing the right foods—sometimes called precision nutrition—helps you get the best results for your cholesterol, metabolism, and overall health (9). Precision nutrition means personalizing your diet to fit your unique needs, preferences, and health goals. At Tula, we focus on selecting nutrient-dense foods that work best for your body’s chemistry and lifestyle. This means making thoughtful choices—like emphasizing healthy fats, soluble fiber, and antioxidant-rich foods—that support heart health, metabolic balance, and lasting wellness. By listening to your body’s signals and using clinical guidance, you can build a nutrition plan that truly works for you.

Sending Health Your Way!

The Tula Clinical Team

Reviewed by:
Aubree RN, BSN
Austin MS, RDN, CSR, LDN, CD

Tula Takeaways

1. Choose wiselyChoosing foods rich in healthy fats, soluble fiber, and antioxidants helps raise good cholesterol (HDL), lower bad cholesterol (LDL), and reduce triglycerides—all key for heart and metabolic health.  
2. Reduced inflammation: These eating habits also reduce inflammation, improve blood sugar control, and lower the risk of heart disease and type 2 diabetes.  
3. Prioritizing nutrient-dense foods: This is one of the most powerful ways to support lasting wellness. 
  1. Sanllorente A, et al. Modification of HDL functions by diet. MDPI. 2021. https://www.mdpi.com/2077-0383/10/24/5897 
  2. Miller M, Stone NJ, Ballantyne C, et al. Triglycerides and cardiovascular disease: a scientific statement from the American Heart Association. Circulation. 2011;123(20):2292-2333. doi:10.1161/CIR.0b013e3182160726 Thttps://www.mdpi.com/1406864 
  3. Velissaridou A, et al. Functional Foods and HDL. MDPI Nutraceuticals. 2024. Chttps://www.mdpi.com/1661-3821/4/4/28 
  4. Mensink RP, Zock PL, Kester AD, Katan MB. Effects of dietary fatty acids and carbohydrates on the ratio of serum total to HDL cholesterol and on serum lipids and apolipoproteins: a meta-analysis of 60 controlled trials. Am J Clin Nutr. 2003;77(5):1146-1155. doi:10.1093/ajcn/77.5.1146 https://pubmed.ncbi.nlm.nih.gov/12716665/  
  5. Estruch R, Ros E, Salas-Salvadó J, et al. Primary prevention of cardiovascular disease with a Mediterranean diet. N Engl J Med. 2013;368(14):1279-1290. doi:10.1056/NEJMoa1200303 https://pubmed.ncbi.nlm.nih.gov/23432189/  
  6. Oega-3 fatty acids and cardiovascular disease: effects on risk factors, molecular pathways, and clinical events. J Am Coll Cardiol. 2011;58(20):2047-2067. doi:10.1016/j.jacc.2011.06.063https://pubmed.ncbi.nlm.nih.gov/22051327/  
  7. Harris WS. n-3 fatty acids and serum lipoproteins: human studies. Am J Clin Nutr. 1997;65(5 Suppl):1645S-1654S. doi:10.1093/ajcn/65.5.1645S https://pubmed.ncbi.nlm.nih.gov/9129504/  
  8. Brown L, Rosner B, Willett WW, Sacks FM. Cholesterol-lowering effects of dietary fiber: a meta-analysis. Am J Clin Nutr. 1999;69(1):30-42. doi:10.1093/ajcn/69.1.30 Cholesterol-lowering effects of dietary fiber: a meta-analysis – PubMed 
  9. Hong BV, et al. Precision nutrition and cardiovascular disease risk reduction. Springer. 2023. Precision Nutrition and Cardiovascular Disease Risk Reduction: the Promise of High-Density Lipoproteins | Current Atherosclerosis Reports | Springer Nature Link 
  10. Stadler JT, Marsche G. Dietary strategies to improve HDL functionality. Front Nutr. 2021;8:761181. doi:10.3389/fnut.2021.761181Dietary Strategies to Improve Cardiovascular Health: Focus on Increasing High-Density Lipoprotein Functionality – PMC 
  11. Fuhrman B, Volkova N, Aviram M. Pomegranate juice inhibits oxidized LDL uptake and cholesterol biosynthesis in macrophages. J Nutr Biochem. 2005;16(9):570-576. doi:10.1016/j.jnutbio.2005.05.008 https://linkinghub.elsevier.com/retrieve/pii/S0955-2863(05)00058-6  
  12. Godos J, Pluchinotta F, Marventano S, et al. Polyphenol intake and cardiovascular risk: a meta-analysis of observational studies. Nutrients. 2017;9(5):476. doi:10.3390/nu9050476 Systematic Review on Polyphenol Intake and Health Outcomes: Is there Sufficient Evidence to Define a Health-Promoting Polyphenol-Rich Dietary Pattern? – PMC  

The LIVE TULA blog is informational and not medical advice. Always consult your doctor for health concerns. LIVE TULA doesn’t endorse specific tests, products, or procedures. Use the information at your own risk and check the last update date. Consult your healthcare provider for personalized advice.