1, green tea: you must drink it after meals. Because of the high content of tea polyphenols in green tea, it is irritating to the stomach, and it is more irritating to drink on an empty stomach, so green tea should be drunk after meals, and people with poor stomach are not recommended to drink green tea. For example, West Lake Longjing, Dongting Biluochun and Xinyang Maojian tea should all be drunk after meals.
2. Black tea: Black tea is completely fermented tea. Among them, tea polyphenols have been transformed in the fermentation process, so it has no stimulation to the stomach. Long-term drinking has the effect of nourishing the stomach, so you can drink black tea before meals.
3. Oolong tea: Oolong tea belongs to semi-fermented tea and still contains a lot of tea polyphenols, which is not suitable for drinking before meals.
4. Pu 'er tea: Pu 'er tea also has the function of nourishing the stomach and reducing fat. The best drinking time of Pu 'er tea is half an hour after meals. If you eat too little, don't drink too much Pu 'er, or people will be scraped off before they lose weight.