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Flavor packets aren’t just for shakes

Try them in oatmeal, coffee, yogurt, baked goods, and more.

GainfulMonday, Sep 21, 2026 at 5:38 PM EasternKlaviyo
GainfulFlavor packets aren’t just for shakes
Subject
Flavor packets aren’t just for shakes
Preview text
Try them in oatmeal, coffee, yogurt, baked goods, and more.
From
hello@gainful.com
Brand
Gainful
Sent
Mon Sep 21, 2026, 5:38 PM ET
Sent to
Colombia (gainful.co), gainful.com
Size
26 KB
Images
6
Links
6, 1 of them buttons
Subject length
39 characters

Against Gainful's usual

Sent in its busiest hour, 5 PM, which holds 28% of its emails. The subject is 39 characters; its average is 34.

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From
Gainful <[email protected]>
Subject
Flavor packets aren’t just for shakes
Date
Mon, 21 Sep 2026 21:38:05 +0000 (UTC)
Message-ID domain
geopod-ismtpd-22
Return-Path domain
send.gainful.com
DKIM signature
d=gainful.com s=s1
List-Unsubscribe
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  1. by recvd-…-447sn with SMTP
  2. from (unnamed) by geopod-ismtpd-22 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 24, 2026 4:19 PMWhey or plant? Here’s your answer
Sep 23, 2026 4:19 PMNever get stuck with one flavor
Sep 22, 2026 4:38 PM3 smart times to take your protein
Sep 21, 2026 5:38 PMFlavor packets aren’t just for shakes (this email)
Sep 20, 2026 5:48 PMWhy pick just one protein flavor?
Sep 19, 2026 5:11 PMWhy Tommy switches flavors every day
Sep 18, 2026 6:18 PMMeet your protein match

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