How long will ARIIX products last me? Administrator September 06, 2017 19:37 Follow If used daily with recommended use, the Nutrifii and Slenderiiz products will last you about 28 days. Related articles General Product FAQs How much caffeine is in Rejuveniix? Are product ingredients organic? Skincerity Nightly Breathable Masque Training Unleash Award Winners Success Stories Comments 0 comments Please sign in to leave a comment.