Your child is in a critical window
Preview text: The first 1,000 days matter the most
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- Subject
- Your child is in a critical window
- Preview text
- The first 1,000 days matter the most
- From
- hello@
persephone.bio - ESP
- Klaviyo
- Sent
- Wed Aug 19, 2026, 5:39 AM ET
- Sent to
- United States (poopforcure.us)
- Size
- 45 KB
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- 4
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- 11, 6 of them buttons
- Subject length
- 34 characters
Against Persephone Biosciences's usual
Sent in the 5 AM hour, which holds 15% of its emails; 20% arrive in the 11 AM hour. The subject is 34 characters; its average is 32.
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- From
- Persephone Biosciences <[email protected]>
- Subject
- Your child is in a critical window
- Date
- Wed, 19 Aug 2026 09:39:18 +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
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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
| Aug 23, 2026 5:40 AM | Is your baby missing this key to lifelong health? | |
| Aug 21, 2026 10:11 AM | 90% of babies are missing this | |
| Aug 21, 2026 5:40 AM | Most probiotic companies start with the strains | |
| Aug 19, 2026 5:39 AM | Your child is in a critical window (this email) | |
| Aug 17, 2026 5:39 AM | 90% of babies are missing this | |
| Aug 15, 2026 5:36 AM | 👋 I'm Stephanie | |
| Aug 14, 2026 5:37 AM | We studied a lot of 💩 |
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