Elite athletes don’t skip tracking this biomarker

Preview text: Hint: it’s not HRV

EliFriday, Oct 23, 2026 at 10:39 PM EasternKlaviyo
EliElite athletes don’t skip tracking this biomarker
Subject
Elite athletes don’t skip tracking this biomarker
Preview text
Hint: it’s not HRV
From
hello@eli.health
Brand
Eli
Sent
Fri Oct 23, 2026, 10:39 PM ET
Size
45 KB
Images
9
Links
9, 1 of them buttons
Subject length
49 characters

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Sent in the 10 PM hour, which holds 25% of its emails; 25% arrive in the 5 PM hour. The subject is 49 characters; its average is 39.

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From
Marina from Eli <[email protected]>
Subject
Elite athletes don’t skip tracking this biomarker
Date
Sat, 24 Oct 2026 02:39:30 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.eli.health
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.eli.health s=mtd1
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Sent just before and after

Oct 28, 2026 1:47 PMSave $20 on cortisol testing.
Oct 25, 2026 10:40 PMQuestions about hormone tracking?
Oct 23, 2026 10:39 PMElite athletes don’t skip tracking this biomarker (this email)
Oct 22, 2026 5:38 PMEli is now on Android.
Oct 21, 2026 10:38 PMStill waiting on that bloodwork from weeks ago?
Oct 19, 2026 10:37 PMWondering if you have high cortisol?
Oct 17, 2026 10:36 PMYour sleep, stress, and performance have this common

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