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» » » » » Why You Should Drink Oolong Tea And Its Health Benefits

There are so many drinks out there that are filled with sugars and unhealthy additives. I’ve told myself numerous times I need to start eating healthier to avoid bloating, watch my calcium levels, and stop drinking sodas and orange juice.


I have done extremely well over the past four years cutting soda out of my diet and switching to drinking teas like green tea, chai tea, and I started making my own kombucha tea.


You should definitely try drinking healthier drinks too!


Download my FAVORITE three oolong tea recipes here. I narrowed it to 3 only because these are the best ones on my personal list


Now, I am not telling you that all you need to do is start drinking tea, and your health concerns will disappear, but it would certainly be a treat to know how oolong tea is healthy for you, but most importantly, why.


Oolong tea has many health benefits such as weight loss such as bloating, mental health, and fighting cancers.



There are a lot of studies and literature out there on the health benefits of oolong tea, so I scraped through a number of studies and research to put together a few takeaways.


Let’s get into some details here, so next time you grab that tea, look for oolong tea. It will make you feel extra good about yourself (hold the sweetener)!


What Is Oolong Tea?

what is oolong tea


What is oolong tea?


Oolong tea, also pronounced as Wu Long tea, which literally means “Black Dragon” in Mandarin. This tea is a fragrant and fruity tea with a pleasant aroma. It is a traditional Chinese tea that comes from the leaves, buds and the stem of the plant Camellia sinensis.


Oolong tea, has its history rooted far back to the 17th century when a Chinese farmer harvested tea leaves one day after they were picked from the plantations.


Though it is harvested from the same plant as black tea and green tea, the uniqueness of oolong tea lies in:


  • The method of processing
  • The extent of oxidation of the plant before it is processed


According to the Tea Association of the United States, oolong tea lies somewhere between black tea and green tea in its strength and flavor. As compared to black tea that is completely oxidized and green tea that is not allowed to ferment at all. Oolong is a tea that is allowed to oxide partially before being processed.


I found a cool study done by on “what type of water should be used for tea?” They found that the type of water used affected the taste of oolong tea shown below.

oolong tea taste graph

Did you know…


The benefits of oolong tea can fight all kinds of health issues?


According to WebMD, oolong tea has been known to sharpen thinking skills, boost your immune system and improve mental alertness too. I wrote an article on how you can boost mental alertness and your memory with some foods. Check it out, and this one too!


Oolong tea health benefits can also prevent conditions such as:


  • Cancer
  • Tooth decay
  • Osteoporosis
  • Heart disease


The delicate and soft flavors of this multifaceted tea makes it ideal for casual drinking with desserts as well as a perfect beverage to serve with every meal.


Why Is Oolong Tea So Unique?

drinking oolong tea is healthy


It’s no secret that harvesting and processing the perfect cup of oolong tea is anything less than a piece of art. As soon as the tea leaf is plucked from the plant, it starts to oxidize. Any tea that is oxidized between 8-80% is called oolong.


After a series of processes such as:


  • Bruising
  • Browning
  • Withering
  • Rolling
  • Shaping
  • Firing


the tea leaves are then finally roasted. In this final step that the leaves capture the unique flavors of the oolong tea.


Does oolong tea have caffeine…


Oolong tea caffeine contains around 60 milligrams of caffeine. (The amount below shows dry tea.) Compared to green and black teas, oolong tea caffeine is much smaller. If you don’t like the feeling of caffeine like me, oolong tea might be a better choice!


It also contains theaflavins, thearubigins and epigallocatechin gallate (EGCG), which are among some of the abundant polyphenols that account for the important antioxidants in oolong tea.

egcg and caffeine in oolong

This tea also contains folic acid, niacin amide and other detoxifying alkaloids. According to 3 to 5 cups of tea per day can provide up to 250 milligrams of catechins.


What are catechins?


Catechins are antioxidants that fight free radicals in your body caused by smoking and other toxins. Catechins are responsible for many of the health benefits in oolong tea. The health benefits and antioxidants found in tea can aid with:


  • Decreasing serum lipids
  • Reducing blood pressure
  • Modulating immune responses
  • Antitumorigenic agent
  • Antibacterial agents for food preservation
  • Prevention of oxidation of edible oils


Apart from antioxidants, oolong tea contains a vital amino acids called, L-theanine. According to some studies, L-theanine is responsible for the anti-anxiety and relaxing effect of this tea.


Oolong Tea Health Benefits

oolong tea benefits


“How does oolong tea work to help prevent diseases and improve your health?”


Due to oolong’s low caffeine content, this tea can be extremely relaxing and healthy to consume regularly. Oolong tea doubles up the health benefits of all types of tea in general. It ranks perfectly between black tea and green tea.


The National Cancer Institute says that oolong tea is rich in vitamins, minerals and vital antioxidants that help fight free radicals.


Benefits of oolong tea include:


  • Reduction of heart disease
  • Reduction of inflammatory disorders
  • Lowering high cholesterol levels
  • Promoting a superior bone structure
  • Maintaining robust skin
  • Promoting good dental health
  • Reducing certain metabolic disorders like diabetes


oolong tea health benefits
The king of all the health benefits of oolong tea is weight loss. One of the leading causes of almost all major medical conditions today. Other than drinking oolong tea for weight loss, it is important to eat healthy.


Avoid eating fast foods, pay particular attention to what you eat for breakfast, focus on lower glycemic indexed foods, and exercise regularly.


Oolong Tea Weight Loss

oolong tea for weight loss


Three ways to help you lose weight are by:



Oolong tea weight loss is a real thing.


But it gets better…


Oolong tea activates certain enzymes that can help you use your stored fat as a readily available source of energy.


Scientist at the USDA Diet and Human Performance Laboratory also found that volunteers who drank tea burnt an average of 67 more calories per day compared to those who consumed the same amount of water.


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Based on a study published in 2001 from The Journal of Nutrition, subjects who consumed a full-strength oolong tea not only ended up having a 2.9% — 3.4% increase in the total energy expenditure per day, but also burnt 12% more fat as compared to other subjects. So, you can lose weight by drinking oolong tea.


Researchers hypothesized that oolong tea for weight loss could be attributed to its caffeine content. Oolong tea caffeine is known to increase your metabolism by activating various biological systems within your body.


Surprisingly enough…


When a comparative study was made between the effects of a caffeinated beverage against a combination of caffeine and tea polyphenols, it was concluded that the calories burnt by both the beverages increased by 4.8%. The combination of caffeine and polyphenols also assisted in increasing the subject’s ability to burn fat.


Another study…


Published in the Chinese Journal of Integrative Medicine concluded that overweight and obese participants who consumed oolong tea for 6 weeks, lost significant amount of weight. They also had a decreased waist size by the end of the trial.


A total of 70% of the severely obese subjects did show a decrease of more than 1 kg in body weight, including 22% who lost more than 3 kg. Similarly, 64% of the obese subjects and 66% of the overweight subjects lost more than 1 kg during the experiment, and the subcutaneous fat content decreased in 12% of the subjects.


The polyphenols and caffeine in oolong tea make your fat work for you instead of you working to get rid of it!


I did find a valuable video on YouTube from a women who has a full testimonial on how she lost weight while drinking oolong tea. You can check it out here.



Oolong Tea Can Improve Your Mental Health

oolong tea and mental health


Another oolong tea benefit is improving mental health. How convenient would it be if you could simply sip on a cup of tea and boost our brain activity levels?


In fact…


Oolong tea makes it extremely simple and possible.


According to WebMD, drinking oolong tea can help you to maintain your alertness and mental performance. Scientific research has also indicated that several components of oolong tea may actually benefit the health of your brain.  Other foods help as well.


As a matter of fact…


Oolong tea contains caffeine like I mentioned earlier. Oolong tea caffeine is known to activate certain neurotransmitters such as norepinephrine and dopamine. The caffeine activates noradrenaline neurons and affects the local release of dopamine that helps boost your mood, attention and brain functioning.


A review suggested a combination of caffeine and theanine in oolong tea can significantly improve metal alertness and function within the first 1-2 hours of consumption.


Few studies have also advocated that oolong tea has a particularly strong effect on the reduction of brain function decline.


oolong tea and brain function


Consuming different types of tea has proven to prevent Alzheimer’s disease as well as reduce your incidence of neurocognitive disorders.

benefits of oolong tea


This was so interesting I had to post the chart too…


Analysis results were based on 908 people who had information on both baseline and follow-up tea consumption. They are shown in the table below. Using subjects who were non tea consumers at both baseline and follow-up as the reference group, only people who reported tea consumption at both time points had reduced odds of developing neurocognitive disorder, the adjusted odds ratio was 0.39.

Tea consumption was associated with reduced risk of neurocognitive disorder among females by 32%.
oolong benefits


Oolong Tea Heart Benefits


oolong tea heart benefits


About 610,000 Americans die from heart disease every year! I think you would agree with me that these statistics are shocking.


heart disease graph


If you need help learning how to eat correctly and would like to lose weight, join my team of health professionals here. You can also take a look at some meal plans and diets like the keto diet, or the 3 day diet menu — The Military Diet.


Several studies have confirmed that regular tea consumers (not just oolong) are likely to have lower cholesterol and blood pressure levels compared to those who don’t drink tea.


Maintaining these two cardiac markers at low levels is in fact, the key to reducing your incidence of any cardiovascular disorders.




Heart disease is the number 1 leading cause of death in the United States.


oolong tea and heart disease infographic


A study performed on 76,000 Japanese adults concluded that those who drank more than 8 ounces of oolong tea per day had a 61% lower chance of suffering from any heart related disorders.


It has also been found that drinking 1-2 cups of oolong tea and other teas regularly, can help prevent high blood pressure. Drinking more tea can lower the risks even more.


Oolong Tea Can Prevent Cancer

oolong tea fight breast cancer


It is a well known fact that tea drinkers are less prone to cancer than the others.


Oolong tea shares similar qualities that come from the polyphenols present, such as:


  • Suppress the activation of carcinogenic cells
  • Prevents the formation of N-nitroso compounds
  • Trap genotoxic agents


Oolong tea, black tea and green teas have been known to promote apoptosis (cell death) in stomach related cancer cells due to the activity of its polyphenols.


tea polyphenols


In fact,


Women drinking oolong tea particularly benefit from its health properties. According to a study, women who drink more than two servings of oolong tea a day can reduce their risk of ovarian cancer by almost 50%.


Polyphenols also reduce the risk of oral cancer by about 15%. Studies show that oolong tea can have protective effects on:


  • Lung
  • Esophageal
  • Pancreatic
  • Liver and
  • Colorectal cancers


Oolong tea can actually have some positive anti-carcinogenic effects on tea lovers!


Benefits Of Oolong Tea Support Stronger Teeth And Bones

oolong tea help your teeth


As mentioned earlier, oolong tea is rich in antioxidants which help:


  • Protection your teeth against decay
  • Strengthen your bone structure
  • Preventing osteoporosis


Scientist evaluated the effects of oolong over a period of 10 years and concluded that regular consumers were less likely to lose bone mineral density.


Some studies suggest that certain ingredients of tea may actually stimulate the retention of minerals from the food that you ingest. The study concluded that habitual oolong and black tea consumption, especially for more than 10 years, has significant beneficial effects on bone mineral density (BMD) of your entire body, lumbar spine, and hip regions.


It’s known that…


weaker bones and loss of calcium is a common problem among menopausal women. Making sure you maintain the proper vitamin D levels is important.


A study performed on a group of 680 postmenopausal Chinese women suggested that those consuming oolong teas on a regular basis has a 4.5% – 4.9% higher bone density than non-tea drinkers.


And it’s not just bones…


Research has also linked oolong tea to the reduction in dental plaque because it is a rich source of fluoride that can help strengthen the enamel of your teeth.


Oolong tea provides the mouth with more than great flavor. Its phenomenally versatile and beneficial catechins inhibit bacterial growth and the ability of cariogenic bacteria to adhere to teeth. Green tea catechins fight periodontal disease and halitosis, commonly known as bad breath.


It’s safe to say…


You can improve your dental health and maintain stronger bones by simply drinking oolong tea and adding to your healthy breakfast each morning.


Oolong Tea May Prevent Diabetes

oolong tea fights diabetes


Several studies have reported a lower risk of type-2-diabetes due to improved blood sugar levels among people who drink oolong tea. So it’s important to not add sweeteners that contain aspartame. Stick to products like stevia or honey to sweeten your tea.


The polyphenols and antioxidants in oolong tea help to significantly reduce blood sugar and insulin levels among tea drinkers.


Oolong tea has positive effects on diabetes reduction based on a series of studies:







A 2003 study showed that when combined with hyperglycemic drugs, oolong tea balanced the blood sugar levels and prevented the sudden drop in blood sugar in almost all of the people tested.


Oolong tea can help manage diabetes.  It can be positively considered as one of the herbal remedies to keep diabetes under control.


Oolong Tea Can Help With Eczema

oolong tea for eczema


Eczema is a medical condition that makes your skin appear inflamed or irritated. I had it as a child and remember how annoying and itchy it could be at times.


It is commonly known as a skin allergy and can be quite a discomfort to deal with. It effects a large population of people. The graph below shows just how many.


Percentage of Children Aged ≤17 Years with Eczema or Any Kind of Skin Allergy

oolong tea eczema graph


A combination of oolong tea and the standard eczema treatment can significantly quicken recovery among patients.


This is because…


The polyphenols in oolong tea are known to relieve inflammation and improve skin conditions.


According to a clinical trial performed on 118 patients suffering from severe eczema, it was observed that drinking 1 liter of oolong tea daily improved the skin condition within the first 1-2 weeks.


There’s more…


Improvements seemed to last for about 1 month in 63% of the patients and for 5 months in 54% of the patients.




It’s important to remember that even the best remedies come with certain precautions and side effects. So does drinking oolong tea.


Effects Of Oolong Tea

effects of oolong tea


Though oolong tea is a 100% natural product that comes from the leaves of a plant, chronically and excessively drinking this tea can lead to some severe side effects.


Even though small amounts of caffeine are found in oolong tea, the caffeine content can affect your health. Just like any other caffeinated beverages.


More than 6 — 10 cups of oolong tea per day can cause a series of mild to severe side effects such as:


  • Rapid heartbeat
  • Palpitations
  • Insomnia
  • Nervousness
  • Tremors
  • Headaches
  • Abdominal pain
  • Nausea, vomiting, and diarrhea
  • Increased urine flow


The caffeine content in oolong tea can also negatively interact with certain medications such as blood thinning tablets, oral contraceptives or weight loss supplements.




Overdosing on antioxidants present in the tea can also have some serious repercussions.


Research suggests that flavonoids present in oolong tea can bind to the iron found in plant based foods and reduce your digestive ability by 15 — 67%.


Pregnant women as well as people suffering from iron deficiencies are generally advised to steer clear of drinking too much oolong tea.




If you are already on medication or have any type of caffeine sensitivity issues, consulting your physician before consuming oolong tea is highly recommended.


With anything I write about, I always say “moderation is key“.


Keep this in mind…


Though these statistics are concerning, they are only outcomes of overconsumption of oolong tea.


According to the USDA and the European Food Safety Authority (EFSA), a daily intake of 400 mg of caffeine is safe for the normal functioning of your body.


This is equivalent to 1.4 – 2.4 liters, which is around, 6 — 10 cups of oolong each day. If you are drinking this much tea per day, you might want to start adding this much water instead of tea.



oolong tea



Oolong tea is not as popular in the West as it is in Asia. The Asians take their tea brewing skills very seriously! The same goes for wine connoisseurs in California, Italy or France.


Download my FAVORITE three oolong tea recipes here. I narrowed it to 3 only because these are the best ones on my personal list


Even though oolong tea may not be as well known as green or black tea, it has several health benefits for your heart, brain, bone and dental health.


It can boost your metabolism, decrease your risk of developing type-2-diabetes and protect against certain types of cancers.


Apart from being healthy…


It’s an incredibly tasty addition to add to your morning breakfast, or after a great exercise. I personally like to drink oolong tea with a banana in the morning.


What are your thoughts on the health benefits of oolong tea? Share your thoughts and experiences and how it improved your health below!


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