Pruvit KETO//OS NAT Charged 10 Packs for you to select from! 2026-2027 Expiration Date. A few notes: The word charged means it has caffeine.  These are all caffeinated! Dissolve one packet in 16 - 20 oz. ice water, shake and enjoy. You will enter ketosis within an hour after consumption. 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