Is your baby missing this key to lifelong health?

Preview text: Here's what the latest research says

Persephone BiosciencesFriday, Sep 11, 2026 at 1:54 PM EasternKlaviyo
Persephone BiosciencesIs your baby missing this key to lifelong health?
Subject
Is your baby missing this key to lifelong health?
Preview text
Here's what the latest research says
From
hello@persephone.bio
Sent
Fri Sep 11, 2026, 1:54 PM ET
Sent to
United States (poopforthecure.us)
Size
36 KB
Images
7
Links
9, 4 of them buttons
Subject length
49 characters

Against Persephone Biosciences's usual

Sent in the 1 PM hour, which holds 15% of its emails; 20% arrive in the 11 AM hour. The subject is 49 characters; its average is 32.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
Persephone Biosciences <[email protected]>
Subject
Is your baby missing this key to lifelong health?
Date
Fri, 11 Sep 2026 17:54:52 +0000 (UTC)
Message-ID domain
geopod-ismtpd-69
Return-Path domain
k1.hello.persephone.bio
DKIM signature
d=hello.persephone.bio s=s1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-68sdx with SMTP
  2. from (unnamed) by geopod-ismtpd-69 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

Report this email

Sent just before and after

Sep 15, 2026 11:41 AM90% of babies are missing this
Sep 13, 2026 11:39 AM👋 I'm Stephanie
Sep 12, 2026 11:37 AMWe studied a lot of 💩
Sep 11, 2026 1:54 PMIs your baby missing this key to lifelong health? (this email)
Sep 11, 2026 11:35 AMWe test like lives depend on it
Sep 10, 2026 11:32 AMHere’s 30% off to get started
Sep 9, 2026 1:53 PMMost probiotic companies start with the strains

More from Persephone Biosciences

All Persephone Biosciences emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Sep 11, 2026.

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.