1 iced black tea has a high sugar content, and drinking too much can easily lead to obesity. Iced black tea generally contains preservatives, flavors, pigments, organic acids, etc. , will cause corrosion damage to teeth. Excessive consumption of iced black tea will increase the burden on the kidneys, and often lead to satiety, which will affect the absorption of nutrients. Long-term drinking will also affect digestion and absorption, and may also lead to endocrine disorders. Extended information Master Kong iced black tea is a trendy and cool fashion drink. The mellow black tea and refreshing lemon make you feel the coolness like the Aegean summer breeze. After drinking it, you can experience the pleasure of "the power of ice is irreplaceable" and enjoy unlimited cool fun from head to toe. At present, iced tea is the largest category in the domestic tea beverage market. 19961375ml boxed iced tea is on the market. Master kong iced tea PET490 was listed in October 1999. With its unique taste and convenient packaging, it immediately became the darling of the market and its market share rose steadily. Since 200 1, it has occupied half of the iced tea market. Advantages of Master Kong iced tea: ① Iced tea is fully fermented, sweet and rich in protein. Iced black tea contains a lot of vitamins and anticoagulants, which can refresh the mind and relieve fatigue. ③ Flavonoids contained in iced black tea can prevent and treat cardiovascular and cerebrovascular diseases such as heart disease and stroke. 4 Iced black tea is rich in trace elements such as potassium, which can help people with "three highs" to lower their blood pressure, blood sugar and blood lipid, and also enhance the blood circulation of the heart.