Why pick just one protein flavor?
Preview text: Chocolate today. Vanilla tomorrow. Eight flavors, one tub.

Using this email in an article? Credit: Gainful email via They Sent It, with a link to this page. Full-size image
- Subject
- Why pick just one protein flavor?
- Preview text
- Chocolate today. Vanilla tomorrow. Eight flavors, one tub.
- From
- hello@
gainful.com - Brand
- Gainful
- ESP
- Klaviyo
- Sent
- Sun Sep 20, 2026, 5:48 PM ET
- Sent to
- Colombia (gainful.co), gainful.com
- Size
- 26 KB
- Images
- 6
- Links
- 6, 1 of them buttons
- Subject length
- 33 characters
Against Gainful's usual
Sent in its busiest hour, 5 PM, which holds 29% of its emails. The subject is 33 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
- Why pick just one protein flavor?
- Date
- Sun, 20 Sep 2026 21:48:02 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-60
- 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-…-zwzjb with SMTP
- from (unnamed) by geopod-ismtpd-60 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
| Sep 23, 2026 4:19 PM | Never get stuck with one flavor | |
| Sep 22, 2026 4:38 PM | 3 smart times to take your protein | |
| Sep 21, 2026 5:38 PM | Flavor packets aren’t just for shakes | |
| Sep 20, 2026 5:48 PM | Why pick just one protein flavor? (this email) | |
| Sep 19, 2026 5:11 PM | Why Tommy switches flavors every day | |
| Sep 18, 2026 6:18 PM | Meet your protein match | |
| Sep 17, 2026 5:53 PM | Protein Shouldn’t Require a PhD |
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