All tonics, loose teas, herbal leaves, and powders should be refrigerated after seal is broken for longest potency and freshness of herbs. Herbal compounds such as tinctures and capsules doesn’t need to be refrigerated and should be stored in a cool, dark place out of direct light. These methods will guarantee the longest potency and freshness.All herbal compounds will have expiration date on item packages effective immediately. If Stored correctly these herbal compounds will last far longer than the recommended expiration date.