Tieguanyin and Lycium barbarum are very beneficial to human body. Many people just brew them together. A large amount of tannic acid contained in green tea has the function of convergence and adsorption, which will adsorb trace elements in Lycium barbarum and produce substances that are difficult for human body to absorb. There are both green tea and medlar in the popular eight-treasure tea in restaurants. Although the amount of green tea is small, it is not advisable to drink more.

Green tea and medlar are very nutritious. Green tea contains catechins, β-carotene, vitamin C, vitamin E and so on. It has many functions such as scavenging free radicals, delaying aging and preventing cancer.

Lycium barbarum is mild and sweet, and contains carotene, betaine, vitamin A, vitamin B 1, vitamin B2, vitamin C, calcium, phosphorus and iron. It has obvious curative effect on chronic hepatitis, central retinitis and optic atrophy. It can also lower blood pressure, blood sugar and blood lipid, and also has the health-preserving effects of tonifying kidney and replenishing essence, nourishing yin and blood, nourishing liver and improving eyesight, moistening lung and relieving cough. However, this seemingly healthy collocation is actually unreasonable.

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