Protein without the heavy feeling

Preview text: 25g of protein, 100 calories, and just 2 ingredients per serving.

GainfulMonday, Sep 28, 2026 at 5:31 PM EasternKlaviyo
GainfulProtein without the heavy feeling
Subject
Protein without the heavy feeling
Preview text
25g of protein, 100 calories, and just 2 ingredients per serving.
From
hello@gainful.com
Brand
Gainful
Sent
Mon Sep 28, 2026, 5:31 PM ET
Sent to
Colombia (gainful.co), gainful.com
Size
34 KB
Images
10
Links
10, 1 of them buttons
Subject length
33 characters

Against Gainful's usual

Sent in its busiest hour, 5 PM, which holds 30% of its emails. The subject is 33 characters; its average is 34.

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From
Gainful <[email protected]>
Subject
Protein without the heavy feeling
Date
Mon, 28 Sep 2026 21:31:21 +0000 (UTC)
Message-ID domain
geopod-ismtpd-32
Return-Path domain
send.gainful.com
DKIM signature
d=gainful.com s=s1
List-Unsubscribe
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  1. by recvd-…-6r2sx with SMTP
  2. from (unnamed) by geopod-ismtpd-32 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

Oct 1, 2026 12:07 AMStill Thinking About It?
Sep 30, 2026 4:53 PMWhat happens before it reaches you
Sep 29, 2026 5:18 PM300,000+ found their protein. Yours?
Sep 28, 2026 5:31 PMProtein without the heavy feeling (this email)
Sep 25, 2026 5:13 PMSupplements shouldn’t be this confusing
Sep 24, 2026 4:19 PMWhey or plant? Here’s your answer
Sep 23, 2026 4:19 PMNever get stuck with one flavor

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