No, loose tea leaves do not expire. But they do lose flavor, aroma, and color over time. However, they're still good for consumption. ... Stands to reason that over time, old tea can taste less flavorful, flat, stale, or weaker as time goes by.

Is loose leaf tea better for you than bagged?

Generally speaking, loose leaf tea makes a better quality cup than tea bags. Loose leaf tea can also be better for the environment and healthier. But there will always be a place for a good quality tea bag. Especially when you are rushed for time and just need a hot cup of tea.

Why is loose leaf tea bad?

They may be made out of plastic and release high amounts of microplastic and nanoplastic into your cup[2]. However, loose leaf tea may be of a lower quality too. The quality will depend on many factors, from the tea plant to growing conditions, harvesting methods and processing techniques to storage.