Whey isolate meets grass-fed collagen

Preview text: 21g of protein in 80 calories. 40% off your first subscription order.

GainfulWednesday, Oct 21, 2026 at 5:42 PM EasternKlaviyo
GainfulWhey isolate meets grass-fed collagen
Subject
Whey isolate meets grass-fed collagen
Preview text
21g of protein in 80 calories. 40% off your first subscription order.
From
hello@gainful.com
Brand
Gainful
Sent
Wed Oct 21, 2026, 5:42 PM ET
Sent to
Colombia (gainful.co), gainful.com
Size
54 KB
Images
20
Links
17, 1 of them buttons
Subject length
37 characters

Against Gainful's usual

Sent in its busiest hour, 5 PM, which holds 29% of its emails. The subject is 37 characters; its average is 34.

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From
Gainful <[email protected]>
Subject
Whey isolate meets grass-fed collagen
Date
Wed, 21 Oct 2026 21:42:57 +0000 (UTC)
Message-ID domain
geopod-ismtpd-canary-0
Return-Path domain
send.gainful.com
DKIM signature
d=gainful.com s=s1
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  2. from (unnamed) by geopod-ismtpd-canary-0 with HTTP

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Sent just before and after

Oct 25, 2026 4:26 PMLast day: 40% off your first subscription order
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 (this email)
Oct 20, 2026 4:43 PMWhich protein is right for you?
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

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