Which protein is right for you?

Preview text: Then SUBandSAVE takes 40% off your first subscription order.

GainfulTuesday, Oct 20, 2026 at 4:43 PM EasternKlaviyo
GainfulWhich protein is right for you?
Subject
Which protein is right for you?
Preview text
Then SUBandSAVE takes 40% off your first subscription order.
From
hello@gainful.com
Brand
Gainful
Sent
Tue Oct 20, 2026, 4:43 PM ET
Sent to
Colombia (gainful.co), gainful.com
Size
50 KB
Images
18
Links
15, 1 of them buttons
Subject length
31 characters

Against Gainful's usual

Sent in the 4 PM hour, which holds 15% of its emails; 29% arrive in the 5 PM hour. The subject is 31 characters; its average is 34.

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From
Gainful <[email protected]>
Subject
Which protein is right for you?
Date
Tue, 20 Oct 2026 20:43:37 +0000 (UTC)
Message-ID domain
geopod-ismtpd-57
Return-Path domain
send.gainful.com
DKIM signature
d=gainful.com s=s1
List-Unsubscribe
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Servers it passed through, newest first

  1. by recvd-…-r8qsl with SMTP
  2. from (unnamed) by geopod-ismtpd-57 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 24, 2026 2:51 PMWhat's NOT in your protein?
Oct 23, 2026 3:16 PMMyth: you're stuck with one flavor
Oct 21, 2026 5:42 PMWhey isolate meets grass-fed collagen
Oct 20, 2026 4:43 PMWhich protein is right for you? (this email)
Oct 19, 2026 2:50 PMYour First Subscription Is 40% Off
Oct 18, 2026 5:59 PM“Gets me ready for my workout” - one of you
Oct 17, 2026 5:22 PMWhat our protein quiz actually asks

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