Can Nattokinase and Red Yeast Rice Really Help Lower Blood Cholesterol?

Having high blood lipid levels—especially elevated LDL cholesterol and triglycerides—is a major risk factor for cardiovascular and cerebrovascular disease. This has led many people to seek natural alternatives to statin medications, which, although effective, may cause side effects such as muscle pain or elevated liver enzymes.

Among the most talked-about supplements are nattokinase and red yeast rice, both promoted for their potential to reduce cholesterol levels. But how effective are they really?

🧬 What is Nattokinase?

Nattokinase is an enzyme extracted from natto, a traditional Japanese fermented soybean dish. It is known primarily for its fibrinolytic activity—helping to break down blood clots and support healthy blood flow, which benefits cardiovascular health.

Key properties of nattokinase:

• Reduces blood viscosity and breaks down fibrin (blood clots)

• May help lower blood pressure

• Some studies suggest it may moderately reduce LDL and triglycerides

However, more long-term human studies are needed to confirm its cholesterol-lowering effects.

🌾 What is Red Yeast Rice?

Red yeast rice is made by fermenting white rice with a yeast called Monascus purpureus. During fermentation, it produces Monacolin K, a naturally occurring substance that is chemically identical to lovastatin, a prescription statin.

Key properties of red yeast rice:

• Can lower LDL cholesterol to a level comparable to low-dose statins in some individuals

• May reduce the risk of cardiovascular events and chest pain

• Supported by multiple studies showing effective cholesterol reduction

✅ Who Should Consider These Supplements?

These natural alternatives may be suitable for people who:

• Have elevated cholesterol but do not yet require medication

• Want to try a lifestyle-based, natural approach

• Are intolerant to statins

• Wish to reduce cardiovascular risk without starting medication immediately

Use with caution or consult a healthcare provider if you:

• Have a bleeding disorder or are on blood thinners (nattokinase may increase bleeding risk)

• Are pregnant or breastfeeding

• Have liver disease

• Are already taking statin medications (especially with red yeast rice)

🧡 In Summary: Do They Work?

Both nattokinase and red yeast rice have some scientific backing—particularly red yeast rice, which has demonstrated statin-like effects in clinical trials. However, they should be used with caution and under professional guidance.

Always choose products from reputable brands with standardized ingredients and clear quality control to ensure safety and efficacy.

💡 If you're considering starting either supplement, it’s best to first measure your blood lipid levels and monitor them regularly. This is especially important if you also have high blood pressure, diabetes, or existing heart disease.

Personalized Support at The Longevist Clinic

At The Longevist Clinic, we offer advanced health screening to help you understand your body in depth and create a personalized care plan, including support with:

• Nutrition

• Hormone balance

• Lipid and cardiovascular health

✨ True longevity starts with knowing your body—and making informed, sustainable choices for your health.

📚 References

1. National Center for Complementary and Integrative Health (NCCIH). Red Yeast Rice.

2. Sumi H. et al., A novel fibrinolytic enzyme (nattokinase) in the vegetable cheese Natto; a typical and popular soybean food in the Japanese diet.

3. Li Y., Zhang Y. (2020). Efficacy of red yeast rice extract in lowering cholesterol: a meta-analysis of randomized controlled trials.

4. European Food Safety Authority (EFSA). Monacolin K from red yeast rice and maintenance of normal blood cholesterol concentrations.