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How Does Green Tea Help Control Cholesterol Ratio?

If you want to lead a healthy life, it is essential to keep your cholesterol levels under control. One of the simplest ways to reduce your cholesterol is to drink premium green tea regularly. This tea works by reducing bad cholesterol in the blood and increasing the percentage of healthy cholesterol compared to bad cholesterol. According to many studies, including the 20 latest clinical trials, drinking this tea can help manage both cholesterol and blood pressure levels.

Green tea's effectiveness in managing cholesterol and blood pressure can be attributed to its rich content of bioactive compounds, particularly catechins and antioxidants. These compounds not only target cholesterol but also improve overall cardiovascular health by reducing inflammation, enhancing arterial function, and preventing the oxidation of LDL cholesterol, which is a key factor in the development of heart disease. By incorporating green tea into your daily routine, you are not just addressing cholesterol levels but also taking a proactive step toward long-term heart health and improved well-being. Furthermore, the calming effects of green tea, thanks to the amino acid L-theanine, can help reduce stress, which indirectly supports healthier cholesterol and blood pressure levels.

How Does Cholesterol Work?

Cholesterol is a natural substance that is essential for various bodily functions.

  • It contributes to creating cell surfaces.
  • It is required for making hormones.
  • It is required for insulating nerve fibers.

Cholesterol is essential for your body to work properly and survive. There are two types of cholesterol: low-density lipoprotein (LDL) and high-density lipoprotein (HDL).

LDL and HDL and managing both cholesterol

Some of the properties of HDL cholesterol are as follows:

  • HDL is referred to as good cholesterol because it is useful for the body.
  • It improves the fat burning and distribution processes.
  • It has positive effects on the heart and arteries and thus improves blood circulation.

The key properties of LDL cholesterol are as follows:

  • It is considered bad cholesterol.
  • It has been known to clog the heart and arteries.
  • An increased ratio of LDL to HDL can increase the risk of heart disease and stroke.
  • While cholesterol is vital for cellular integrity and physiological processes, excessive LDL cholesterol can lead to plaque buildup in the arteries, causing a condition called atherosclerosis. This narrows the arteries, restricts blood flow, and raises the risk of heart attacks and strokes.
  • HDL cholesterol, on the other hand, acts as a protective agent by transporting excess cholesterol from the bloodstream to the liver for processing and elimination. This helps reduce the risk of arterial blockages and supports cardiovascular health.

The cholesterol present in powder has been found to increase the ratio of HDL to LDL.

How Does Green Tea Work On Cholesterol?

Catechin is the most potent compound in green tea that demonstrate cholesterol-lowering properties. Studies show that it works on cholesterol in the following ways:

  • Preventing cholesterol absorption within the intestines
  • Reducing the amount of dietary cholesterol entering the bloodstream.
  • Increasing LDL receptor activity within the liver
  • Enhancing the liver's ability to remove LDL cholesterol from the blood.
  • Increasing HDL cholesterol levels
  • Boosting the transport of excess cholesterol to the liver for elimination.
  • Lowering LDL cholesterol levels
  • Reducing the risk of plaque formation in the arteries.
  • Lowering total cholesterol levels
  • Minimizing the overall burden of cholesterol on the cardiovascular system.

    matcha and health

    Promising Research Study Findings

    According to a study involving 200 adults with high cholesterol levels, their total cholesterol levels were lowered by 11.3% when given 375mg of catechin extract. The different types of cholesterol were affected in the following ways:

    • LDL cholesterol decreased by 16.4%.
    • HDL cholesterol increased by 2.3%.
    • Triglycerides decreased by 3.5%.

    This catechin used in the study comprised only 150mg of catechins from green tea. This suggests that the effect of a higher dose of catechins from green tea can have an even more profound impact on cholesterol levels in the blood. It is also recommended to drink lots of green tea every day to achieve your goals of lowering bad cholesterol and raising good cholesterol in the blood.

    Premium green tea helps lower bad cholesterol and increase good cholesterol

    Health Benefits of Increased HDL Levels

    The increased ratio of HDL in the body has its own benefits. It removes the harmful cholesterol from the body and reduces the risk of developing cardiovascular diseases, including heart disease and stroke. According to these studies, those who take up to 4 cups of powdered tea per day lower their total cholesterol levels. The benefits have been noticed by everyone, including those taking a balanced diet and those consuming diets rich in fat.

    It is not just the tea; even those who take extracts of catechins have been found to experience similar health benefits. Those who took such extracts regularly showed lower risks of cholesterol- or fat-based health conditions.

    Lowering cholesterol, increased HDL levels contribute to improved overall health by enhancing the body's natural detoxification processes. HDL cholesterol helps transport excess cholesterol to the liver, where it is broken down and excreted, reducing the likelihood of arterial blockages. This process not only protects the heart but also supports better blood flow to vital organs, improving their function and longevity. Furthermore, higher HDL levels are associated with reduced inflammation and oxidative stress, which play a key role in preventing chronic diseases such as diabetes and hypertension. By making green tea or catechin extracts a regular part of your routine, you can harness these protective effects while promoting a healthier, more resilient body.

    Green tea reduces risks for heart disease and strokee

    Recommended Daily Green Tea Dosage

    It is recommended to drink 2 to 6 cups of premium green tea every day to reap its cholesterol-controlling benefits. It is estimated that a single cup of tea can reduce your cholesterol levels by up to 0.58 mg/dL. The benefits can be noticed to be in the range of 10%–25% within a period of 2–4 weeks of starting to take the tea.

    So if you want to lead a healthy life and reduce the harmful effects of cholesterol in your life, it is best to drink 2 to 6 cups of green tea every day. Its health benefits go beyond that and cover many other body functions.

    • It is required for making hormones.
    • It is required for insulating nerve fibers.

    Cholesterol is essential for your body to work properly and survive. There are two types of cholesterol: low-density lipoprotein (LDL) and high-density lipoprotein (HDL).

    Some of the properties of HDL cholesterol are as follows:

    • HDL is referred to as good cholesterol because it is useful for the body.
    • It improves the fat burning and distribution processes.
    • It has positive effects on the heart and arteries and thus improves blood circulation.

    The key properties of LDL cholesterol are as follows:

    • It is considered bad cholesterol.
    • It has been known to clog the heart and arteries.
    • An increased ratio of LDL to HDL can increase the risk of heart disease and stroke.

    The cholesterol present in powder has been found to increase the ratio of HDL to LDL.

    FAQs about Green Tea and Cholesterol

    How does green tea specifically lower LDL cholesterol?

    Green tea contains catechins—especially EGCG—which prevent cholesterol absorption in the intestines and increase the liver’s ability to remove LDL (bad cholesterol) from the bloodstream. This dual mechanism helps reduce LDL levels and lower the risk of plaque buildup in the arteries.

    Can green tea actually increase HDL (good cholesterol)?

    Yes. Several studies suggest that green tea and catechin extracts help raise HDL cholesterol levels. This is vital because HDL helps transport excess cholesterol to the liver for elimination, thus cleaning the bloodstream.

    What is the optimal number of green tea cups per day for cholesterol control?

    It’s recommended to drink 2 to 6 cups of premium green tea daily. Clinical studies have shown that even one cup can lower cholesterol by approximately 0.58 mg/dL, and benefits increase with consistency over 2 to 4 weeks.

    Does powdered green tea (like matcha) have a stronger effect on cholesterol than regular brewed tea?

    Yes. Powdered green tea retains more catechins since you're consuming the whole leaf. This form has been shown to significantly impact the HDL-to-LDL ratio, potentially offering greater cardiovascular benefits.

    Can green tea improve cholesterol even for those on a high-fat diet?

    Surprisingly, yes. Clinical trials have shown that people consuming green tea—regardless of whether they eat a balanced or fat-rich diet—still experience a drop in LDL and total cholesterol, and an increase in HDL.

    Are catechin supplements as effective as drinking green tea?

    Catechin supplements have shown similar benefits to drinking green tea in clinical trials. However, natural green tea may offer additional benefits due to the synergistic effect of L-theanine, antioxidants, and other compounds not present in isolated supplements.

    How fast can I expect results after starting green tea for cholesterol?

    Noticeable changes in cholesterol levels can occur within 2 to 4 weeks of consistent daily intake (2 to 6 cups). The degree of change may vary based on diet, lifestyle, and tea quality.

    Does green tea affect triglyceride levels too?

    Yes. In a clinical trial with 200 adults, triglycerides dropped by 3.5% with catechin intake, in addition to reductions in LDL and increases in HDL.

    Is the calming effect of green tea also linked to heart health?

    Absolutely. Green tea contains L-theanine, an amino acid that reduces stress. Lower stress levels can reduce blood pressure and inflammation, both of which are key to maintaining healthy cholesterol levels and heart health.

    What’s a unique benefit of HDL that isn’t commonly discussed?

    Beyond clearing cholesterol, HDL enhances the body's detoxification by facilitating the removal of cholesterol-derived toxins from the bloodstream. It also helps reduce oxidative stress and inflammation, which are linked to many chronic conditions.


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    About the author

    Kei Nishida

    Author, CEO Dream of Japan

    info@japanesegreenteain.com

    Certification: PMP, BS in Computer Science

    Education: Western Washington University

    Kei Nishida is a passionate Japanese green tea connoisseur, writer, and the founder and CEO of Japanese Green Tea Co., a Dream of Japan Company.

    Driven by a deep desire to share the rich flavors of his homeland, he established the only company that sources premium tea grown in nutrient-rich sugarcane soil—earning multiple Global Tea Champion awards.

    Expanding his mission of introducing Japan’s finest to the world, Kei pioneered the launch of the first-ever Sumiyaki charcoal-roasted coffee through Japanese Coffee Co. He also brought the artistry of traditional Japanese craftsmanship to the global market by making katana-style handmade knives—crafted by a renowned katana maker—available outside Japan for the first time through Japanese Knife Co.

    Kei’s journey continues as he uncovers and shares Japan’s hidden treasures with the world.

    Learn more about Kei

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