Shelf life: Powder: 2 years.
Solvent: 3 years.
For immediate and single use following reconstitution.
75 IU: Do not store above 30°C. Do not freeze. Store in the original container in order to protect from light.
600 IU and 1200 IU: Store in a refrigerator (2°C-8°C). Do not freeze. Store in the original container.
After reconstitution, the solution may be stored for a maximum of 28 days at not more than 30°C. Do not freeze.