The Health Benefits of Oolong Tea
From weight loss to heart health
“If you are cold, tea will warm you; if you are too heated, it will cool you; if you are depressed, it will cheer you; if you are excited, it will calm you”.
William Ewart Gladstone
Oolong tea contains many healthy-boosting ingredients, including:
- The Amoni Acid Theanine
- Antioxidants (polyphenols) such as theaflavins, thearubigins, or EGCG
Oolong tea also contains Caffeine. The caffeine content is typically similar to green tea, but it can vary by type and region of origin.
Health benefits of Oolong Tea
“Where there’s tea there’s hope“.
Arthur Wing Pinero
Oolong tea can help to prevent diabetes
Diabetes has become an epidemic. According to a report issued by the Centers for Disease Control (CDC) in 2015, around 30.3 million Americans suffer from diabetes and have diabetes, 84.1 million have prediabetes.
Managing your blood sugar by preventing insulin resistance is one of the keys to prevent or improve this condition.
According to a study published in the Journal of Biological Chemistry, the consumption of EGCG can help to reduce insulin levels and thus to decrease the risk of type 2 diabetes. (1)
Oolong tea can help to improve heart health
Heart disease is one of the major causes of death worldwide. The consumption of Oolong tea can help you to improve your cholesterol profile, aka increasing the high-density lipoprotein (HDL) cholesterol, while lowering your low-density lipoprotein (LDL). This can prevent plaque buildup in your arteries and thus decrease your risk of cardiovascular diseases.
Apart from that, a Japanese study suggests that the daily consumption of Oolong tea can lower blood pressure levels, which is another risk factor for heart disease. (2)
“As much as you can eat healthily, it’s also important to drink healthily too. Tea is very healing.”
Oolong tea can support weight loss
Research suggests that caffeine and polyphenols found in Oolong tea can help you to lose weight and burn fat. Participants of a 6-week study that consumed 8 grams of Oolong tea per day lost up to 3 kg. (3)
The participants of a study published in the Official Journal of the International Obesity Association increased their daily energy expenditure by 4.8%, which equates to 96 calories if you consume 2000 calories per day. (4)
Oolong tea might improve brain health
A study published in the American Journal of Clinical Nutrition has shown that drinking Oolong tea can help to prevent cognitive decline and impairment. (5)
Oolong tea can aid relaxation
Oolong tea contains an amino acid called l-theanine. L- theanine can help you to relax by increasing the neurotransmitters serotonin, GABA, and dopamine.
Oolong tea can help to prevent certain types of cancer
Oxidative stress is an imbalance between free radicals and antioxidants in your body and can cause many health conditions including cancer.
Research has shown that the antioxidants found in Oolong tea can help to prevent certain types of cancer by preventing cell mutations. (6)
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In good health,
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(1) Waltner-Law ME, Wang XL, Law BK, Hall RK, Nawano M, Granner DK. Epigallocatechin gallate, a constituent of green tea, represses hepatic glucose production. J Biol Chem. 2002;277(38):34933–34940. doi:10.1074/jbc.M204672200
(2) Mineharu Y, Koizumi A, Wada Y, et al. Coffee, green tea, black tea and oolong tea consumption and risk of mortality from cardiovascular disease in Japanese men and women. J Epidemiol Community Health. 2011;65(3):230–240. doi:10.1136/jech.2009.097311
(3) He RR, Chen L, Lin BH, Matsui Y, Yao XS, Kurihara H. Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects. Chin J Integr Med. 2009;15(1):34–41. doi:10.1007/s11655-009-0034-8
(4) Waltner-Law ME, Wang XL, Law BK, Hall RK, Nawano M, Granner DK. Epigallocatechin gallate, a constituent of green tea, represses hepatic glucose production. J Biol Chem. 2002;277(38):34933–34940. doi:10.1074/jbc.M204672200
(5) Ng TP, Feng L, Niti M, Kua EH, Yap KB. Tea consumption and cognitive impairment and decline in older Chinese adults. Am J Clin Nutr. 2008;88(1):224–231. doi:10.1093/ajcn/88.1.224
(6) Steele VE, Kelloff GJ, Balentine D, et al. Comparative chemopreventive mechanisms of green tea, black tea and selected polyphenol extracts measured by in vitro bioassays. Carcinogenesis. 2000;21(1):63–67. doi:10.1093/carcin/21.1.63