The main harms of Uni-President iced black tea include:

1. High sugar content: Uni-President iced black tea contains a lot of sugar. Excessive intake can lead to elevated blood sugar, obesity and diabetes. health problems.

2. Additives: Many chemical ingredients are added to Uni-President Iced Black Tea, such as preservatives, sweeteners, pigments, etc. Long-term drinking will affect your health.

3. Caffeine addiction: Uni-President iced black tea contains caffeine. Excessive drinking can lead to addiction, and in severe cases, there will be withdrawal symptoms.

4. Osteoporosis: Uniform iced black tea contains phosphate. Excessive intake will dissolve calcium from the bones, leading to osteoporosis.

5. Not good for the gastrointestinal tract: Uniform iced black tea contains acidic substances. Long-term drinking will irritate the gastrointestinal tract and cause stomachache, diarrhea and other problems.

Therefore, you should drink unified iced black tea in moderation and pay attention to a balanced diet to maintain good health.