What's NOT in your protein?
Preview text: Your protein label should be just as clear about what it leaves out.

Using this email in an article? Credit: Gainful email via They Sent It, with a link to this page. Full-size image
- Subject
- What's NOT in your protein?
- Preview text
- Your protein label should be just as clear about what it leaves out.
- From
- hello@
gainful.com - Brand
- Gainful
- ESP
- Klaviyo
- Sent
- Sun Oct 4, 2026, 5:14 PM ET
- Sent to
- Colombia (gainful.co), gainful.com
- Size
- 30 KB
- Images
- 9
- Links
- 9, 1 of them buttons
- Subject length
- 27 characters
Against Gainful's usual
Sent in its busiest hour, 5 PM, which holds 29% of its emails. The subject is 27 characters; its average is 34.
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
- Gainful <[email protected]>
- Subject
- What's NOT in your protein?
- Date
- Sun, 04 Oct 2026 21:14:05 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-95
- Return-Path domain
- send.gainful.com
- DKIM signature
- d=gainful.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-7vzm5 with SMTP
- from (unnamed) by geopod-ismtpd-95 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 7, 2026 6:14 PM | How much protein do you actually need? | |
| Oct 6, 2026 5:27 PM | “This is a game changer” | |
| Oct 5, 2026 5:40 PM | Built for athletes who demand more | |
| Oct 4, 2026 5:14 PM | What's NOT in your protein? (this email) | |
| Oct 4, 2026 12:10 AM | Ready to Elevate Your Performance? | |
| Oct 3, 2026 4:42 PM | A better shake in 30 seconds | |
| Oct 3, 2026 12:09 AM | Make Your Gain, No Matter Your Goals |
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