1. purified water: purified water contains no additives, and it is one of the healthiest drinks and one of the drinks with the lowest sugar content.

2. Black tea: Under normal circumstances, the sugar content of a cup of ordinary black tea is only about 2 grams, and you can also choose sugar-free black tea.

3. Green tea: The sugar in green tea is low, generally less than 1g, and it is rich in antioxidants, which is beneficial to health.

4. Coffee: Black coffee contains no sugar, so the calories and sugar are very low, but if you need to add ingredients such as sugar and cream, the sugar will increase.

5. Sugar-free carbonated water: Sugar-free carbonated water contains no sugar, but you should pay attention to choosing products without artificial sweeteners when drinking.

6. Sugar-free juice: Some juices on the market are sugar-free, but you should pay attention to choosing unprocessed fresh juice instead of juice drinks with a lot of sugar added.

It should be noted that although the sugar content of these drinks is relatively low, long-term excessive drinking may still have a negative impact on health, so moderate drinking is the key.