We test like lives depend on it
Preview text: Third-party tested, clinically backed
Using this email in an article? Credit: Persephone Biosciences email via They Sent It, with a link to this page. Full-size image
- Subject
- We test like lives depend on it
- Preview text
- Third-party tested, clinically backed
- From
- hello@
persephone.bio - ESP
- Klaviyo
- Sent
- Tue Sep 1, 2026, 1:47 PM ET
- Sent to
- United States (poopforthecure.us)
- Size
- 36 KB
- Images
- 7
- Links
- 9, 4 of them buttons
- Subject length
- 31 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 31 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
- We test like lives depend on it
- Date
- Tue, 01 Sep 2026 17:47:55 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.hello.persephone.bio
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=hello.persephone.bio s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Sep 3, 2026 1:50 PM | 👋 I'm Stephanie | |
| Sep 3, 2026 11:13 AM | Is your baby missing this key to lifelong health? | |
| Sep 2, 2026 1:49 PM | We studied a lot of 💩 | |
| Sep 1, 2026 1:47 PM | We test like lives depend on it (this email) | |
| Sep 1, 2026 11:10 AM | Most probiotic companies start with the strains | |
| Aug 31, 2026 7:50 PM | 90% of babies are missing this | |
| Aug 31, 2026 1:46 PM | Here’s 30% off to get started |
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Is your baby missing this key to lifelong health?
Oct 20, 2026 7:09 PM
A year in, and a thank you from me
Oct 20, 2026 9:30 AM
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 1, 2026.
