Question 1

How long does shipping take?

Accepted Answer

Orders are processed within 1–2 business days and ship from our US warehouse. Free express shipping has an estimated carrier delivery time of 2–3 business days after dispatch. We ship to all 50 US states, including Alaska and Hawaii. Tracking is emailed after dispatch.

Question 2

How should these reference materials be stored and handled?

Accepted Answer

Products are supplied as lyophilized (freeze-dried) reference materials. As a general analytical guideline, lyophilized material is best stored cool, dry, and dark, away from light and moisture, with long-term storage at −20 °C. Refer to each product page for its specified storage temperature. These notes describe laboratory storage of reference materials only and are not instructions for any human or veterinary use.

Question 3

Do you offer reconstitution supplies?

Accepted Answer

Bacteriostatic water is available as a general laboratory supply for researchers who need it. We do not provide any usage, preparation, or administration instructions. All materials are supplied strictly for laboratory research use.

Question 4

How do I request a Certificate of Analysis (COA)?

Accepted Answer

The Testing & Documentation page lists only product-specific reports that can be tied to an identified product or sample. Contact support with the lot identifier to ask what documentation is available.

Question 5

What is your returns policy?

Accepted Answer

Contact support before sending any item back. If your order arrives damaged or is confirmed lost by the carrier, contact us within 7 days of the expected delivery date and we will investigate and arrange a resolution where appropriate.

Question 6

Are these products for human or veterinary use?

Accepted Answer

No. All products sold by PureDose Labs are intended exclusively for laboratory and research use. They are NOT for human or animal consumption, or for diagnostic, therapeutic, or clinical use. You must be 21 years of age or older and a qualified researcher to purchase.

Frequently Asked Questions

Common Questions

Research Use Only