In general terms, the self life of herbs is two years. Whole and cut herbs tend to retain their potency longer than powdered herbs. Teapills have an expiration date on the bottle.
1st Chinese Herbs
Sharing the wealth of good health because you come first!
- Vijayan Arun, V.B. Liju, John J.V. Reena, B. Parthipan, C. Renuka. Indian Journal of Traditional Knowledge, 2007, 6(4), 589-594.