While tea can have many health benefits, consuming tea immediately after a meal may have some potential negative effects on digestion. Here are some of the possible side effects of drinking tea after a meal:

Interferes with iron absorption: Tea contains compounds called tannins that can bind to iron in food and prevent it from being absorbed by the body. This can be a concern for people who have iron-deficiency anemia or who are at risk of developing it.

May cause acid reflux: Tea can increase the production of stomach acid, which can lead to acid reflux and heartburn, especially if you have a history of gastrointestinal issues.

May cause constipation: Drinking tea after a meal can slow down digestion and potentially cause constipation in some people.

May interfere with nutrient absorption: The tannins in tea can also bind to other nutrients, such as calcium and magnesium, and prevent their absorption by the body.

To minimize the potential negative effects of tea on digestion, it's recommended to wait at least 30 minutes after a meal before drinking tea. This will allow your body to properly digest the food and absorb the nutrients before introducing tea. Additionally, consider drinking herbal tea, which does not contain caffeine or tannins, as an alternative to traditional tea after meals.