Pruvit KETO//OS NAT ketones  Make your selection from the drop down menu   All packs expire in 7/2026-2027 Free USPS First Class mail  Any 20 pack sold is Factory Sealed!  Pruvit has also changed packaging - some are no longer bags but 20 packets in a bag! Please email me with any questions you may have prior to ordering and I will be more than happy to answer them! Smoke free/pet free location in USA