O High cholesterol is a silent condition. which affects millions of people worldwide. Most of the time, it doesn't cause obvious symptoms, but it can contribute slow for the development of cardiovascular diseases, such as heart attack and stroke. Therefore, Maintaining healthy cholesterol levels is one of the most important measures to protect the heart throughout life..

Although medication may be necessary in some cases, science shows that Diet plays a central role in controlling cholesterol, especially in reducing LDL, known as "bad cholesterol".Certain foods and natural compounds can reduce cholesterol absorption in the intestine, improve fat metabolism, and promote the elimination of excess cholesterol from the body.

The role of diet in reducing cholesterol.

Among the natural compounds that have most aroused interest in the science of nutrition are... phytosterols, which are the bioactive substances present in plant-based foods that They act directly in reducing cholesterol absorption in the intestine.Structurally similar to cholesterol, they compete with it during the digestive process, causing a significant portion of this cholesterol, both that from food and that produced by the body itself, to be eliminated instead of absorbed.

There is a solid point of consensus in the scientific literature: Lowering LDL levels is consistently associated with a decreased risk of cardiovascular disease. In other words, the lower the LDL over time, The lower the probability of events such as heart attack and other cardiac complications..

Phytosterols: Dosage, function, and sources

Studies indicate that between Two to three grams of phytosterols per day can reduce LDL cholesterol by approximately 8% to 10%.They work by competing with cholesterol for absorption in the intestine. When phytosterols are present, some of the cholesterol from the diet and bile ends up being eliminated in the feces instead of being absorbed.

Some important points:

• They work best when consumed with meals.
• The effect may appear in about two weeks.
• The benefit disappears quickly when consumption is stopped.

Phytosterols are naturally present in plant-based foods, such as:

• Seeds
• Nuts and chestnuts
• Legumes
• Whole grains
• Fruits such as apples, pears, and avocados.

They can also be found in supplements or fortified foods. However, the response varies greatly from person to person. While some individuals experience a significant drop in cholesterol, others may have little or no response. Therefore, when someone decides to use supplements, it is advisable to have their cholesterol levels checked before and a few weeks later to verify if there has been any real benefit.

Foods that help lower cholesterol naturally

The most effective foundation remains a diet rich in fiber and whole foods.

1. Oats

Rich in beta-glucan, fiber that reduces cholesterol absorption.
How to use: Breakfast, smoothies, granola.

2. Legumes

Source of soluble fiber and plant protein.
How to use: Beans, lentils, chickpeas, hummus.

3. Nuts and chestnuts

Rich in good fats that reduce LDL.
How to use: Snacks, salads, yogurt.

4. Linseed

Contains Omega 3 Vegetables and fiber.
How to use: Ground up and mixed with fruit, oatmeal, or smoothies.

5. Divide

Form a gel that reduces cholesterol absorption.
How to use: puddings, yogurts, smoothies.

6. Avocado

Source of cardioprotective monounsaturated fats.
How to use: salads, toast, pasta.

7. Soy and soy products

Rich in vegetal protein with an effect on cholesterol.
How to use: Tofu, tempeh, soy milk.

8. Fruits rich in pectin

help to reduce cholesterol absorption.
Examples: Apples, pears, citrus fruits.

9. Extra virgin olive oil

The basis of the Mediterranean diet, helps improve the lipid profile.
How to use: The main fat we consume daily.

Practical tips to apply in everyday life.

Some simple changes can make a big difference.

Breakfast

• Oatmeal + fruit + chia
• Smoothie with flaxseed
• Whole wheat toast with avocado

Lunch

• Include legumes
• Use olive oil
• Add seeds or nuts

Snacks

• Fruits with nuts
• Yogurt with seeds

Dinner

• Legumes + whole grains + plant-based protein

In short....

The most effective dietary strategies for reducing cholesterol include:

✅ Increase your intake of soluble fiber.

✅ Consume more whole plant-based foods

✅ Include nuts and seeds regularly.

✅ Use olive oil as the main fat.

✅ Consider phytosterols (supplements) as a complementary strategy.

Managing cholesterol doesn't have to be complicated or radical. In practice, What really makes a difference are small, consistent choices over time.Swapping ultra-processed foods for natural options, including more fiber in your daily routine, using good sources of fat, and diversifying your plant-based diet are simple actions that have a real impact on your health.

Sources:

Silverman MG, Ference BA, Im K, Wiviott SD, Giugliano RP, Grundy SM, Braunwald E, Sabatine MS. Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis. JAMA. 2016 Sep 27;316(12):1289-97. doi: 10.1001/jama.2016.13985. PMID: 27673306.
https://pubmed.ncbi.nlm.nih.gov/27673306/

Yang Y, Xia J, Yu T, Wan S, Zhou Y, Sun G. Effects of phytosterols on cardiovascular risk factors: A systematic review and meta-analysis of randomized controlled trials. Phytother Res. 2025 Jan;39(1):3-24. doi: 10.1002/ptr.8308. Epub 2024 Nov 21. PMID: 39572895.
https://pubmed.ncbi.nlm.nih.gov/39572895/

Rideout TC, Harding SV, Mackay DS. Metabolic and genetic factors modulating subject specific LDL-C responses to plant sterol therapy. Can J Physiol Pharmacol. 2012 May;90(5):509-14. doi: 10.1139/y2012-060. Epub 2012 Apr 17. PMID: 22506903.
https://pubmed.ncbi.nlm.nih.gov/22506903/