Is your baby missing this key to lifelong health?
Preview text: Here's what the latest research says

Use this example
- Subject
- Is your baby missing this key to lifelong health?
- Preview text
- Here's what the latest research says
- From
- hello@
persephone.bio - ESP
- Klaviyo
- 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
- by recvd-…-68sdx with SMTP
- 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
Sent just before and after
| Sep 15, 2026 11:41 AM | 90% of babies are missing this | |
| Sep 13, 2026 11:39 AM | 👋 I'm Stephanie | |
| Sep 12, 2026 11:37 AM | We studied a lot of 💩 | |
| Sep 11, 2026 1:54 PM | Is your baby missing this key to lifelong health? (this email) | |
| Sep 11, 2026 11:35 AM | We test like lives depend on it | |
| Sep 10, 2026 11:32 AM | Here’s 30% off to get started | |
| Sep 9, 2026 1:53 PM | Most probiotic companies start with the strains |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 11, 2026.








