Yes, matcha does go bad. Matcha is an extremely delicate tea that begins to deteriorate the moment it is ground. Therefore, consuming matcha within 12 months of being ground is recommended.u003cbr/u003eu003cbr/u003eOnce you open matcha, it should be used within 1-2 months. You will be able to preserve the freshness and quality of your matcha by storing it in an airtight, dark container away from heat, light, and moisture. u003cbr/u003eu003cbr/u003eMatcha also soaks up strong smells and flavors, so be careful where you store your container! u003ca href=u0022https://matchakonomi.com/blogs/news/faqu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eu003csupu003eu003cstrongu003e23u003c/strongu003eu003c/supu003eu003c/au003e