Below is a figure that shows how expiration dating varies by formulation. For standardized
products, these dates were established through FDA-approved testing methods. For non-standardized
products, these dates were established by the FDA.
For more information on extract formulation, please see the section on Extract Formulations
|Expiration dates for bulk concentrates are assigned based on the fomulation of the product
||Maximum of 3 years
||Maximum of 18 months. Short ragweed extracts receive a maximum of 12 months due to the measured lower stability of the ragweed proteins.
||Same as Aqueous
||Maximum of 5 years of unreconstituted andrefrigerated. Once the product is reconstituted, the maximum shelf life becomes 12 months at the highest concentration.
Currently only available for Hymenoptera Venom