There’s nothing quite like a nice mug of hot tea, especially at night.
Another important factor in determining caffeine levels is how long you steep your tea.
Certain types of tea are caffeine-free
So, does all tea contain caffeine?

According toWhittard, the short answer is yes, all tea contains some amount of caffeine.
This is because they all come from the same plant, known as the camellia sinensis.
The only exception, however, are fruit and herbal infused teas.

Herbal tea blends often include different dried fruits, flowers, and herbs.
Meanwhile, peppermint and ginger-based teas are thought to help if your stomach is bothering you.