Stallergenes Greer source materials are available in 3 different formulations, each with its own benefits. Most extract manufacturers use powdered raw materials, while in vitro diagnostic manufacturers often prefer lyophilized or freeze-dried extracts. The suitability of materials for a particular use must be determined by the customer.

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Freeze-dried extracts and materials typically have a shelf life of up to 10 years (5 years for venoms). This means that one lot can often be used over the course of several years, which can reduce lot-to-lot variability. In addition, the shelf life is dependent on your intended use of the material and whether it is stored refrigerated or frozen. The freeze-dried extracts and materials we provide are stored as listed on the Certificate of Analysis (COA).

That depends on your needs. Please contact a Customer Care Specialist for assistance.

Once your account is established, in-stock source materials are shipped same or next business day.

If there is a source material that you need that doesn’t seem to be a part of our broad portfolio, please contact a Customer Care Specialist by calling 800.378.3907 or 828.759.7334 or by sending an email to ussourcematerials@​stallergenesgreer.​com. The Customer Care Specialist may be able to help you place a custom order.

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If you’re not sure what you need to purchase, contact a Customer Care Specialist at 800.378.3907 or 828.759.7334 or by sending an email to ussourcematerials@​stallergenesgreer.​com. The Customer Care Specialist can help you decide on the products you need.

There are many places where you can learn more about allergies and allergy immunotherapy in general. Just a few resources are listed below.

American Academy of Allergy, Asthma & Immunology (AAAAI)
Largest professional medical organization devoted to allergy/immunology in the United States.

American Academy of Otolaryngic Allergy (AAOA)
One of the oldest organizations dealing with issues relating to allergic disorders. The site offers resources for patients and physicians alike.

American College of Allergy, Asthma & Immunology (ACAAI)
Professional association of more than 6,000 allergists/immunologists and allied health professionals. ACAAI is focused on providing quality patient care while advancing the speciality and supporting the practicing allergist.

European Academy of Allergy and Clinical Immunology (EAACI)
Association of clinicians, researchers and allied health professionals, dedicated to improving the health of people affected by allergic diseases.

Integrated Taxonomic Information System (ITIS)
Authoratative taxonomic information source on plants, animals, fungi, and microbes in North America and the world.