Black ginseng Tieguanyin is a kind of traditional Chinese medicine tea, which is made of black ginseng and Tieguanyin as main raw materials. Its efficacy and function include the following points:

1. Improve immunity: Black ginseng Tieguanyin is rich in various nutrients and antioxidants, which can improve human immunity and prevent diseases such as colds and infections.

2. Relieve fatigue: Black ginseng Tieguanyin contains caffeine and theophylline, which can stimulate the central nervous system, improve human metabolism and relieve fatigue.

3. Promote digestion: Black ginseng Tieguanyin contains a variety of enzymes and organic acids, which can stimulate the digestion and absorption function of gastrointestinal tract and relieve gastrointestinal discomfort.

4. Lowering blood pressure: Alkaloids in Black Ginseng Tieguanyin can dilate blood vessels and reduce blood viscosity, thus lowering blood pressure.

Taboo:

1. Pregnant women and lactating women should not drink black ginseng Tieguanyin.

2. Black ginseng Tieguanyin contains theophylline and caffeine. Excessive drinking may lead to nervous excitement, insomnia and other symptoms.

3. Black ginseng Tieguanyin is rich in many minerals, but it may lead to excessive minerals in the case of excessive intake.

4. Patients with gastrointestinal diseases such as hyperacidity and ulcer should not drink black ginseng Tieguanyin.