Can you put Tea bags in compost?

It is not necessarily a good idea to put tea bags directly in the compost.

The tea leaves on the inside of the tea bag are fully compostable, but in general, the bags themselves may not be. Some tea companies use nylon tea bags, and even when the bags are made of paper, they can contain sealants made of plastic, which will not break down fully.

Check that your tea bags are marked as 100% biodegradable before adding them to compost; otherwise, break open the tea bags, put the inside in the compost, and the tea bag itself in the trash. And consider buying loose-leaf tea: it is always 100% compostable.