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Oolong Tea Health Benefits, Uses And Its Side Effects

Last Updated: Sep 12, 2020

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Oolong tea comes with dual benefits of both the green and black tea, hence the health benefits are twofold. The most notable is its ability to control metabolism and reduce obesity. The polyphenolic compound present removes the free radicals from our body and prevents skin and ovarian cancer.

Since oolong tea contain antioxidants, it improves our bone health and helps to control diabetes. It also helps in managing stress and improving mental health.

Oolong Tea

Oolong tea is separate category of tea that doesn’t come under black or green tea. Yet oolong tea can have the characteristics of either black or green tea depending on the oxidization and processing of the tea leaf.

A black tea is fully oxidized while green tea is barely oxidized and the oxidation level in oolong can range between 8% to 80%. Camellia Sinensis Plant is the source of oolong tea as well as the black and green tea. The oolong tea leaves are traditionally rolled, twisted or curled into tight balls or thin strand.

Nutritional Value of Oolong Tea

Oolong tea is a natural anti-oxidant that has rich amount of important minerals such as calcium, manganese, copper, selenium and potassium. Oolong tea does have caffeine but with almost zero calories and no fat, it is a blessing for obese and people on diet.

Oolong tea also contains slight amounts of vitamin A,B,C,E and K. Folic acid, niacinamide and other detoxifying alkaloids are also present in trace amounts.

Nutritional facts Per 1 cup

Total Carbohydrate

Vitamins and Minerals

0.24 %

Health Benefits of Oolong Tea

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Mentioned below are the best health benefits of drinking oolong tea. Start drinking oolong tea to deal with common skin problems such as skin rash, irritation, and itchiness. Powerful antioxidants and minerals of herbal oolong tea used for a face mask. We also discuss the side effects of oolong tea and cultivation details also.

Benefits of Oolong Tea for Weight Loss

The presence of polyphenolic compound in oolong tea is the primary source for weight reduction. It controls the metabolism of the body fat and also activates certain enzymes, thereby enhancing the functions of fat cells which in turn reduces obesity.

Oolong Tea for Cancer Prevention

Since oolong tea is a natural anti- oxidant, it has anti cancer properties. Moreover the polyphenolic compound act as chemo-preventive instrument against the development of cancer cells.

Thus the oolong tea helps in reducing the risks of cancer and is very effective especially against ovarian and skin cancer.

Benefits of Oolong Tea for Diabetes

The presence of anti-oxidants in oolong tea that comes from polyphenol regulates the amount of blood sugar and insulin in the bloodstream which reduces the risk of uncertain dips and spikes in blood sugar that could prove fatal for diabetic patient. It also reduces blood glucose to a healthy level and is also used as additional medicine for type 2 diabetes.

Oolong Tea Good For Cholestrol & Heart disease

Oolong tea acts as a strong catalyst in reducing the cholesterol levels and making the heart healthier which in turn reduces the risks of coronary heart diseases. Unlike black tea, it is not totally oxidized, thus producing a perfectly sized polyphenol molecule which activates the enzyme lipase which dissolves body fat. The less is the body fat, the lower the cholesterol.

Best Tea For Eczema treatment - Oolong Tea

The most common form of eczema is atopic dermatitis which cannot be cured completelty. But the polyphenols and the anti-oxidants present in oolong tea also work as an anti-allergenic compound, which has helped in relieving irritation and chronic skin problems. Regular drinking of oolong tea has reduced the appearance of eczema significantly.

Oolong Tea Drinking Could Prevents Osteoporosis & Improves Bone Health

Anti-oxidants present in the oolong tea prevents osteoporosis and tooth decay. It further strengthens the bone structure and promote normal, healthy growth of body. Minerals like magnesium and calcium helps in maintaining the bone mineral density (BMD) which help in retaining minerals from consumed food.

Oolong Tea for Mental Health Alertness

Oolong tea is rich in caffeine and also has L-theanine, nutrients associated with a direct impact on brain function. Consumption of oolong tea has shown an increase in visiual information processing, alertness, calmness and attention levels and performance.

The EGCG polyphenol present in oolong tea maintains and improve the effectiveness of hippocampus, a part of brain linked to learning and memory.

Facing Skin Problems - Try Fresh Oolong Tea

Oolong tea is a boon for people with skin diseases. The presence of anti-oxidants removes the free radicals present in our body which is the root cause for majority of skin problems. Oolong tea helps in exfoliation and slows down the oxidation of cells, giving you a much healthier skin.

It also helps in anti ageing, wrinkles and dark spot reduction.

Oolong Tea Prevents Plaque Buildup

Oolong tea inhibits the growth of bacteria that cause tooth decay and oral cancer. The polyphenol present helps in the overall dental health and hygiene. Prescribed consumption of oolong tea prevents the build-up of plaque, fights tooth decay and impede the occurrence of cavities.

Uses of Oolong Tea

Only China and Taiwan uses oolong tea as a daily beverage while most of its consumption globally is only because of the medicinal value it has. Type 2 diabetic patient are given oolong tea as additional medicine on top of the prescribed drugs. It is also used as a remedy for eczema especially atopic dermatitis.

It also finds importance in treating osteoporosis, tooth decay, cardiovascular diseases and reducing stress.


Side-Effects & Allergies of Oolong Tea

The presence of caffeine is the only point of concern when it comes to its side effects. Different people have different level of caffeine tolerance but still high level of caffeine consumption can expose you to various health issues. It may range from mild to serious headaches, nervousness, sleep problem, irritability, diarrhea, vomiting, heartbeat fluctuation, heartburn, dizziness, tremor, ringing in the ears, convulsions and confusions.

Cultivation of Oolong Tea

The origin of oolong tea is a conflicting one. Majority of the people claims it to be Chinese while some claim it to be originated from Taiwan.

The only difference between the oolong tea of both the countries is that the Chinese oolong is oxidized more leaning towards the characteristics of black tea, while the oolong tea from Taiwan is less oxidized leaning towards green tea in characteristics. Whatever the reason for differences be, there is no denying the fact that it belonged to that mountain region of China and Taiwan. Hence it is cultivated in high mountainous regions over rocky terrain in cool temperatures.

However, oolong tea is now being cultivated in different parts of the world as well. India, sri lanka, new Zealand, japan and Thailand are some countries producing oolong teas. The cultivation process also varies from place to place. Some are grown in remote mist-covered mountains, while others in temperate bamboo-forested foothills. Some are being harvested in spring while some in winters.


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    Written ByDrx Hina FirdousPhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child CarePharmacology
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    Reviewed ByDt. Ms. Shilpa MarwahB.Sc (Home Science), Post Graduation Diploma in Dietetics and Public Health NutritionDietitian/Nutritionist

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