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ZümXR®’s time-release caffeine products mitigate the crash normally associated with caffeine consumption and deliver a more sustained and smooth caffeine experience. Two products are available with two distinctly different release profiles. The Delayed Release product delivers a shorter more pronounced caffeine experience, while the Extended Release product delivers a longer, steady release of caffeine.

ZümXR® Delayed Release Caffeine

a one-hour bolus, delayed release profile

ZümXR® Extended Release Caffeine

a four to five-hours sustained release profile