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Drinking Tea Helps Clean Up “Toxins” in the Body

Tea News · Jun 11, 2026

        According to traditional Chinese medicine, it is suitable to drink oolong tea [including Tieguanyin] in autumn, and black tea and dark tea in winter. This can not only eliminate internal greasiness but also help clean blood lipids, protect blood vessels, and prevent obesity.

Today we talk about dark tea. Dark tea may be unfamiliar to some people, but when it comes to Pu'er, almost everyone knows it. Pu'er tea is one of the most representative types of dark tea.

In autumn and winter, people not only have a greater appetite but also store substances in the body, making it easy to gain weight. For modern people who consume a lot of meat and rich food, drinking more dark tea can not only eliminate greasiness but also clean blood lipids, protect blood vessels, and prevent obesity.

 


 

Generally, the first three infusions of dark tea are the best. However, since tea leaves are often aged, you can quickly rinse them with boiling water before brewing to remove impurities. On ordinary days, drink one cup every 1-2 hours before 4 PM, and drink less in the evening.

Although dark tea aids digestion, all teas contain tannic acid, which can combine with protein to form precipitates, affecting protein absorption and interfering with gastrointestinal motility, leading to constipation. Therefore, it is not suitable to drink immediately after meals; the best time is one hour later.

 


 

Let's summarize the benefits of dark tea!

1. Supplement dietary nutrition

Dark tea is rich in nutrients, mainly vitamins and minerals, as well as protein, amino acids, and carbohydrates.

2. Promote digestion, relieve greasiness, and soothe the intestines

The caffeine, vitamins, amino acids, and phospholipids in dark tea help the body digest food and regulate fat metabolism. The stimulating effect of caffeine can increase gastric juice secretion, thereby improving appetite and aiding digestion.

3. Lower blood lipids, lose weight, soften blood vessels, and prevent cardiovascular diseases

The abundant tea polysaccharides in dark tea have the effect of reducing blood lipids and peroxide activity in the blood.

4. Anti-oxidation, delay aging, and prolong life

The catechins, theaflavins, theanine, and tea polysaccharides in dark tea have anti-oxidation effects and can delay cell aging.

5. Anti-cancer and anti-mutation

Hunan Agricultural University conducted tumor cell screening studies on dark tea, proving that dark tea has a significant inhibitory effect on tumor cells.

6. Lower blood pressure

Tea has long been reported to have a blood pressure-lowering effect. Recently, Japanese reports indicate that the unique amino acid theanine in tea can activate dopaminergic neurons to inhibit the rise in blood pressure.

7. Improve glucose metabolism, lower blood sugar, and prevent diabetes

The tea polysaccharide complex in dark tea is the main component for lowering blood sugar. The tea polysaccharide complex is usually referred to as tea polysaccharides, a group of complex and highly variable mixtures.

8. Antibacterial and anti-inflammatory

The main components of dark tea's liquor color are theaflavins and thearubigins. Theaflavins have antibacterial effects.

9. Diuretic, detoxifying, and reducing the harm of tobacco and alcohol

The diuretic function of caffeine in dark tea is achieved by promoting the filtration of water in the urine through the kidneys. At the same time, the stimulating effect of caffeine on the bladder can assist in diuresis and help sober up and relieve alcohol poisoning.

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