1, dark tea contains vitamin A. Vitamin A is a fat-soluble substance, which can prevent vision loss and night blindness and is an indispensable substance to maintain our normal vision. At the same time, vitamin A also has the functions of protecting skin and mucosa and promoting growth.

2. Black tea also contains vitamins E, F, K and so on. Vitamin E is a strong antioxidant, which has the functions of anti-aging, beautifying and preventing arteriosclerosis. Vitamin F mainly prevents the deposition of cholesterol in arteries and promotes the healthy growth of skin and hair. Vitamin K can promote the utilization and absorption of calcium, thus strengthening the body.

3. Black tea contains vitamin C: Vitamin C is easily soluble in water, so you can supplement your daily requirement (50mg) by drinking tea. Vitamin C plays an important role in enhancing human immunity, resisting scurvy, promoting iron absorption, preventing colds and inhibiting pigmentation on the skin. This is why we say that black tea can delay aging and fight cancer.

4. Keep out the cold: It is found that fermented black tea leaves will undergo a series of complex chemical reactions under the action of microorganisms, generating some functional components beneficial to the human body, especially helpful for keeping out the cold, and suitable for people with deficiency cold constitution.