$25.99 → $6.50. Ends at 11:59.

Preview text: Tonight is the final chance to use GUT75 for 75% off Gut Health Boost.

GainfulSunday, Sep 13, 2026 at 12:31 PM EasternKlaviyo
Gainful$25.99 → $6.50. Ends at 11:59.
Subject
$25.99 → $6.50. Ends at 11:59.
Preview text
Tonight is the final chance to use GUT75 for 75% off Gut Health Boost.
From
hello@gainful.com
Brand
Gainful
Sent
Sun Sep 13, 2026, 12:31 PM ET
Sent to
gainful.com
Size
26 KB
Images
6
Links
6, 1 of them buttons
Subject length
32 characters

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Sent in the 12 PM hour, which holds 5% of its emails; 28% arrive in the 5 PM hour. The subject is 32 characters; its average is 34.

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From
Gainful <[email protected]>
Subject
$25.99 → $6.50. Ends at 11:59.
Date
Sun, 13 Sep 2026 16:31:17 +0000 (UTC)
Message-ID domain
geopod-ismtpd-80
Return-Path domain
send.gainful.com
DKIM signature
d=gainful.com s=s1
List-Unsubscribe
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  2. from (unnamed) by geopod-ismtpd-80 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

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Sent just before and after

Sep 16, 2026 6:12 PMRead your protein label in 60 seconds
Sep 15, 2026 5:22 PMBuilt around you, not everyone else
Sep 14, 2026 5:19 PMSo, what protein did you get?
Sep 13, 2026 12:31 PM$25.99 → $6.50. Ends at 11:59. (this email)
Sep 12, 2026 4:30 PMGut Health Boost is $6.50 this weekend
Sep 10, 2026 6:03 PMYour protein shouldn’t need a glossary
Sep 9, 2026 4:45 PMStop guessing which protein to buy

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