Why stop at one protein?
Preview text: Five plant proteins + a breakfast worth waking up for.

Using this email in an article? Credit: KOS email via They Sent It, with a link to this page. Full-size image
- Subject
- Why stop at one protein?
- Preview text
- Five plant proteins + a breakfast worth waking up for.
- From
- hello@
kos.com - Brand
- KOS
- ESP
- Klaviyo
- Sent
- Fri Oct 9, 2026, 3:17 PM ET
- Size
- 25 KB
- Images
- 4
- Links
- 4, 1 of them buttons
- Subject length
- 24 characters
Against KOS's usual
Sent in the 3 PM hour, which holds 3% of its emails; 22% arrive in the 10 AM hour. The subject is 24 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
- KOS Nutritionals <[email protected]>
- Subject
- Why stop at one protein?
- Date
- Fri, 09 Oct 2026 19:17:28 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-69
- Return-Path domain
- send.kos.com
- DKIM signature
- d=kos.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-24jwk with SMTP
- from (unnamed) by geopod-ismtpd-69 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Oct 13, 2026 8:45 PM | You’re Officially On the List | |
| Oct 13, 2026 1:11 PM | Foundational ADK: Meet your new daily essential | |
| Oct 9, 2026 3:17 PM | Why stop at one protein? (this email) | |
| Oct 5, 2026 11:10 AM | Your $9.47 Store Credit Expires Tonight | |
| Oct 4, 2026 11:26 AM | Your $9.47 Store Credit Expires Tomorrow | |
| Oct 3, 2026 1:32 PM | Did you forget about your $9.47? | |
| Oct 2, 2026 10:44 AM | You've got $9.47 credit in your account |
More from KOS
All KOS emailsOct 13, 2026 8:45 PM
Foundational ADK: Meet your new daily essential
Oct 13, 2026 1:11 PM
Your $9.47 Store Credit Expires Tonight
Oct 5, 2026 11:10 AM
Your $9.47 Store Credit Expires Tomorrow
Oct 4, 2026 11:26 AM
Did you forget about your $9.47?
Oct 3, 2026 1:32 PM
You've got $9.47 credit in your account
Oct 2, 2026 10:44 AM
How can one ingredient do so much
Sep 28, 2026 9:07 AM
We built this for your gut's diversity
Sep 23, 2026 11:02 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 9, 2026.









