The benefits are as follows:

Black tea is mild and warms the stomach, helps digestion, stimulates appetite, promotes diuresis, eliminates edema, enhances immunity, and lowers blood sugar and blood pressure.

Chrysanthemum can clear liver and purge fire, benefit brain and improve eyesight. Although slightly cold, compatibility with black tea can offset the cold.

Lycium barbarum can improve immunity and tonify kidney. Taking it for a long time is good for your health.

Disadvantages:

The combination of the three can be taken for a long time without any harm.

Extended data:

The main functions of black tea:

Black tea can help digestion, stimulate appetite, induce diuresis, eliminate edema and strengthen heart function. Flavonoids rich in black tea can scavenge free radicals, have anti-acidification effect and reduce the incidence of myocardial infarction. Chinese medicine believes that tea is also divided into cold and heat. Green tea, for example, tastes bitter and cold, and is suitable for drinking in summer to cool off the heat. Black tea and Pu 'er tea are warm and suitable for drinking in winter. As for oolong tea and Tieguanyin, they are more neutral.

Black tea can help regulate blood sugar, but it is still inconclusive. In winter, the stomach is easy to feel uncomfortable. People who feel uncomfortable after eating too many iced fruits and vegetables can slowly drink black sugar ginger slices in black tea while it is warm, which has the effect of nourishing the stomach and will feel more comfortable, but it is not recommended to drink iced black tea.

References:

Black tea Baidu encyclopedia