Science Says!

Preview text: Meet the Oldest Anti-Ager: Metformin

fatty15Sunday, Aug 23, 2026 at 4:03 PM EasternKlaviyo
fatty15Science Says!
Subject
Science Says!
Preview text
Meet the Oldest Anti-Ager: Metformin
From
info@fatty15.com
Brand
fatty15
Sent
Sun Aug 23, 2026, 4:03 PM ET
Sent to
Colombia (fatty15.co)
Size
76 KB
Images
30
Links
34, 1 of them buttons
Subject length
13 characters

Against fatty15's usual

Sent in its busiest hour, 4 PM, which holds 10% of its emails. The subject is 13 characters; its average is 28.

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
Eric and Steph from fatty15 <[email protected]>
Subject
Science Says!
Date
Sun, 23 Aug 2026 20:03:41 +0000 (UTC)
Message-ID domain
geopod-ismtpd-61
Return-Path domain
send.fatty15.com
DKIM signature
d=fatty15.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-s4wc4 with SMTP
  2. from (unnamed) by geopod-ismtpd-61 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

Aug 24, 2026 7:37 AMUse Your HSA/FSA to Save on Fatty15
Aug 23, 2026 8:25 PMWelcome, friend!
Aug 23, 2026 7:23 PMStill thinking it over?
Aug 23, 2026 4:03 PMScience Says! (this email)
Aug 23, 2026 4:00 PMScience Says | Issue N-186
Aug 23, 2026 7:36 AMHave questions?
Aug 22, 2026 5:25 PMScience-Backed, Customer Loved

More from fatty15

All fatty15 emails

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. You'll get a confirmation email first, and you can unsubscribe anytime.