If maintained in proper storage conditions, FBS has a 5-year shelf life from the date of processing. Please refer to the Certificate of Analysis or bottle label for information on a specific lot.

We recommend thawing serum overnight at 2-8°C.

When properly stored (2-8°C), the thawed serum will last for 2 to 4 weeks.

Yes. Many researchers will aliquot serum into smaller volumes and refreeze until needed.

We take every precaution to ensure FBS arrives frozen. If your FBS arrives partially thawed and is at least two-thirds frozen, it can be refrozen and used with confidence.

Please carefully inspect all FBS shipments for problems, damages and discrepancies immediately upon arrival. Any issues must be reported to Genesee Scientific within two business days of receipt to be eligible for a credit or replacement. Failure to notify Genesee Scientific in this time frame with details and photographic evidence will result in your acceptance of the product. If a return or credit is granted, prior written authorization must accompany all returns and credits. Genesee Scientific will not provide a replacement or credit for any product that was purchased and used without prior lot pretesting. Any dissatisfaction with pretested, lot-specific serum must be reported to Genesee Scientific within 30 days of receipt to potentially qualify for a return. Failure to notify Genesee Scientific in this time frame will result in your acceptance of the product. If an order is damaged or incorrectly shipped as a result of our error, we will take quick and appropriate action to correct the issue.

Yes. For more information: https://www.genengnews.com/insights/high-quality-fbs-may-come-from-any-authorized-country-of-origin/