Why caffeine feels different with L-theanine

Preview text: The science behind smooth focus—and the ratio Rivox uses.

Rivox LabsThursday, Sep 10, 2026 at 12:10 PM EasternKlaviyo
Rivox LabsWhy caffeine feels different with L-theanine
Subject
Why caffeine feels different with L-theanine
Preview text
The science behind smooth focus—and the ratio Rivox uses.
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Thu Sep 10, 2026, 12:10 PM ET
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40 KB
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Subject length
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Rivox Labs <[email protected]>
Subject
Why caffeine feels different with L-theanine
Date
Thu, 10 Sep 2026 16:10:08 +0000
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Sent just before and after

Oct 1, 2026 11:30 AMThe caffeine number most people get wrong
Sep 24, 2026 11:31 AMYour caffeine lasts longer than the buzz
Sep 17, 2026 11:32 AMWhy your coffee stopped working
Sep 10, 2026 12:10 PMWhy caffeine feels different with L-theanine (this email)
Sep 7, 2026 6:30 PMEnds tonight: 25% off Rivox
Sep 4, 2026 10:17 AMClock out. Lock in. 25% off sitewide.
Aug 23, 2026 8:11 PMTry Rivox for $9.99 + Free Shipping

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