How Green Tea Helps to Improve Your Immune System? – Nirogam  

How Green Tea Helps to Improve Your Immune System?

How Green Tea Helps to Improve Your Immune System?
Imagine this, a cold winter morning, you wake up and pour steaming hot water into your favorite mug. Then you add in your tea bag with a dash of lemon and a few drops of honey, you let it steep for a few minutes. And voila, you have your morning cup of joy. You go back to cuddle into your cozy blanket while sipping on your perfect cup and wonder what exactly are the benefits of green tea?

Well, right about now you may be craving a warm cup of green tea. So while you make that, we’ll tell you the health benefits & the immunity-boosting properties of green tea so you can feel even better about having your tasty cuppa.

Dr. Christopher Ochner, PhD says "It's the healthiest thing I can think of to drink.” He's a research scientist in nutrition at the Icahn School of Medicine at Mount Sinai Hospital.

People all over the world have been drinking tea for thousands of centuries, and for good reason. Numerous studies have shown that a variety of teas may boost your immune system, fight off inflammation, and even ward off cancer and heart disease. While some brews provide more health advantages than others, there’s plenty of evidence that regularly drinking tea can have a lasting impact on your wellness.

So, put the kettle on, because we’re sharing some of the biggest benefits hidden in the world’s most popular green teas.

Green Tea

Green tea is known as one of the healthiest beverages on the planet. Green tea originates from eastern parts of the world, where the leaves are processed by heat using a pan-firing or roasting method.

Green tea is exceptionally high in flavonoids that can help boost your heart health by lowering bad cholesterol and reducing blood clotting. Studies show this type of tea can also help lower blood pressure, triglycerides, and total cholesterol. Green Teas are rich in antioxidants called Polyphenols. Polyphenols are efficient infection fighters. They protect the body against potential viruses, sickness, and infections.

Chamomile green tea is known to boost the immune system of the body by de-stressing the body and mind. It promotes the growth of white blood cells, which are known to be the biggest infection fighters. Green tea blended with Tulsi, Mulethi, and Ginger helps to keep diseases like asthma, lung infection, cough, etc. at bay, while flavors like Ashwagandha and Nettle Leaves impede the growth of cancer cells in the body and stimulate the lymphatic system. The antioxidants of green tea make the liver healthy and help rid the body of free radicals.

Other research has found that green tea has a possible impact on liver, breast, prostate, and colorectal cancers. This tea variety has also shown to be anti-inflammatory, which helps keep your skin clear and glowing. Green tea is one of the best immunity boosters but before understanding why & how it does that, let us first understand immunity.

What is an Immune System?

The immune system is made up of special chemicals, cells, and organs that fight infection (microbes). The most important parts of the immune system are antibodies, the complement system, and white blood cells, the lymphatic system, the spleen, the thymus, and the bone marrow. These parts of your immune system actively fight infection in the body.

In simple words, the immune system is a complex network of cells and proteins that defends the body against infection. Our immune system is a very smart system that keeps a record of every germ (microbe) it has ever defeated so it can recognize and destroy the microbe quickly if it enters the body again.

Having a strong immune system helps your body to fight viruses and bacteria which is why keeping it strong is vital to prevent common colds and the flu. Essentially, it is your number one internal defense system to shield and fight off infections.

How Does Green Tea Support Immunity?

In need of a simple and effective immunity boost? Look no further, green tea is here to save the day!

For ages, green tea has been recognized to have strong antiviral properties. Green tea works by altering the structure of the virus itself, which suppresses the ability of the virus to cause an infection. This mighty leaf strengthens and supports the immune system by acting as a potent weapon against contracting the flu and can aid in a quick recovery as well. Green tea offers a plethora of benefits to the body few of which are listed below:

Green Tea contains healthy bioactive compounds - Green tea might be just a hydrating beverage for some but it is more than a simple drink. Green tea is rich in polyphenols, polyphenols are natural compounds that have health benefits, such as reducing inflammation and helping to fight cancer, etc. Green tea also contains some amounts of minerals that can benefit your health.

Improves brain function - Green tea does more than just keep you alert, it may also help boost brain function. The key active ingredient is caffeine. Green tea doesn’t contain as much caffeine as coffee, but it contains enough caffeine to produce a response without causing the jittery effects associated with taking in too much caffeine.

Increases metabolism - If you look at the ingredients list for any fat burning supplement, chances are, green tea will be on there. This is due to the fact that, according to research, green tea can increase fat burning and boost metabolic rate.

Green tea might help in cancer prevention - According to the National Cancer Institute, the polyphenols in green tea help to decrease the growth of tumor in laboratory and animal studies. It may also provide a protective layer against damage caused by ultraviolet UVB radiation. Researches have shown that in countries where the consumption of green tea is high, the rate of cancer tends to be lower, but it is impossible to know for sure whether it is the green tea that is responsible for the lower rates of cancer in these particular populations or other lifestyle factors.

Researches have shown the positive impacts of green tea on the following types of cancers:

  • Breast
  • Bladder
  • Ovarian
  • Colorectal (Bowel)
  • Esophageal (Throat)
  • Lung
  • Prostate
  • Skin
  • Stomach

Researchers believe that the high level of polyphenols in tea helps to kill cancerous cells and stop them from growing. However, the exact mechanisms & workings of this tea and how it interacts with cancerous cells are still being researched.

Protects the brain from aging - Not only can green tea improve brain function in the short term, but it may also protect your brain as you age. The bioactive compounds present in green tea can have multiple protective effects on the brain. They may reduce the risk of dementia, a common neurodegenerative disorder in older adults.

Reduces bad breath - The catechins in green tea may inhibit the growth of bacteria in the mouth, reducing the risk of bad breath.

Green Tea may help prevent type 2 diabetes - Some controlled studies show that green tea may cause mild reductions in blood sugar levels. It may also lower the risk of type 2 diabetes.

It may help prevent cardiovascular diseases - Cardiovascular diseases, including heart disease and stroke, are the leading causes of death worldwide. Green tea lowers total and LDL (bad) cholesterol, as well as protects the LDL particles from oxidation. Studies show that people who drink green tea have a lower risk of cardiovascular disease.

May help you lose weight - Given that green tea can boost the metabolic rate in the short term, it makes sense that it could help you lose weight. Some researches show that regular consumption of green tea may lead to increased weight loss. Green tea may be particularly effective in reducing dangerous abdominal fat.

May help you live longer - Given that some compounds in green tea may help protect against cancer and heart disease, it makes sense that it could help you live longer. In one study, researchers studied 40,530 Japanese adults over 11 years. Those who drank the most amount of green tea — 5 or more cups per day — were significantly less likely to die during the study period
  • Death of any or all causes: 23% lower in women, 12% lower in men
  • Death from cardiovascular or heart disease: 31% lower in women, 22% lower in men
  • Death from stroke: 35% lower in men, 42% lower in women

Green Tea - Prevention of Coronary Heart Diseases

Causes of coronary heart disease include low physical activity and a diet high in saturated fats that lead to clogging of arteries (atherosclerosis). Green tea helps prevent coronary heart disease in mainly two ways:

  • First - It facilitates the proper function of endothelial cells, which prevents atherosclerosis. Inflammation of endothelial cells leads to atherosclerosis.
  • Second - It promotes fat oxidation and prevents obesity. In addition, consumption of Green tea also reduces the risks of high blood pressure, stroke, osteoporosis, Type 2 Diabetes, liver disease, viral diseases, and bacterial infections.

Some studies found that drinking Green tea will help to accelerate fitness recovery faster than usual.


Green tea has a wide range of possible health benefits. It helps you feel better, lose weight, and lowers your risk of chronic diseases. It is a drink that one should definitely consider making part of their day to day life. Also, to help you with this, the market is filled with different flavors of teas for you to choose from - so just sit, relax & sip away!

References -

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