A closer look at the science inside

Preview text: What our study of 114 babies and toddlers found.

Tuesday, Oct 13, 2026 at 6:30 AM EasternKlaviyo

Persephone BiosciencesA closer look at the science inside

Fit to screenFull size

A closer look at the science inside - email from Persephone Biosciences

Using this email in an article? Credit: Persephone Biosciences email via They Sent It, with a link to this page. Full-size image

Subject: A closer look at the science inside
Preview text: What our study of 114 babies and toddlers found.
From: hello@persephone.bio
Brand: Persephone Biosciences
ESP: Klaviyo
Sent: Tue Oct 13, 2026, 6:30 AM ET
Sent to: persephone.bio, United States (poopforcure.us), United States (poopforthecure.us)
Size: 42 KB
Images: 11
Links: 11, 1 of them buttons
Subject length: 35 characters

Against Persephone Biosciences's usual

Sent in the 6 AM hour, which holds 2% of its emails; 20% arrive in the 11 AM hour. The subject is 35 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: Dr. Stephanie from Persephone <[email protected]>
Subject: A closer look at the science inside
Date: Tue, 13 Oct 2026 10:30:28 +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-Message, X-Kmail-Ops, X-Report-Abuse

Report this email

Sent just before and after

	Oct 15, 2026 8:01 AM	Our birthday. A little gift for you.
	Oct 14, 2026 7:05 PM	90% of babies are missing this
	Oct 13, 2026 8:04 PM	👋 I'm Stephanie
	Oct 13, 2026 6:30 AM	A closer look at the science inside (this email)
	Oct 12, 2026 8:02 PM	We studied a lot of 💩
	Oct 12, 2026 6:56 PM	👋 I'm Stephanie
	Oct 11, 2026 8:00 PM	We test like lives depend on it