PRUVIT 10 Day Ketone Challenge | 20 Pack Variety Caffeine & Caffeine Free. Condition is New. Shipped with USPS Priority Mail. The 10 Day Drink Ketones Challenge – 20 Pack This challenge kit comes with 20 packs of ketones (variety of flavors) 10 caffeinated and 10 caffeine free Get into Ketosis within an hour Better energy Better mood Better sleep Burn fat for fuel Muscle preservation Increased mental clarity Reduce brain fog This challenge pack is being brought by the company as a beta test so it could be gone at any time. Message me for info on how you can get up to 3 of these challenge packs.