Try Pruvit's exogenous ketones for 5 days and you'll know what truly better feels like! The 5-day experience is a jumpstart, a reboot, a jolt that will blast your body into ketosis, boosting your cognitive and physical energy and making you burn fat like crazy.


  • 5 daily doses of pure therapeutic ketones in five of the most exciting and exclusive specialty and limited edition flavors, including KETO NAT, the world's only naturally fermented exogenous ketone supplement, and KETO//OS MAX. 
  • totally FREE SHIPPING 


Choose between CHARGED and CAFFEINE-FREE

Elite 5 Day KETO//OS Experience

$40.00 Regular Price
$35.00Sale Price
  • KETO//OS® (Ketone Operating System) is a revolutionary drink mix based on a proprietary ketone energy technology developed by Prüvit. It delivers advanced macro nutritionals and promotes optimized cellular regeneration, energy and longevity.