Your biceps aren't growing. Here's why.

Preview text: It's not your genetics. It's 2 specific things.

Athlean-XThursday, Apr 9, 2026 at 5:26 PM EasternKlaviyo
Athlean-XYour biceps aren't growing. Here's why.
Subject
Your biceps aren't growing. Here's why.
Preview text
It's not your genetics. It's 2 specific things.
From
getripped@athleanx.com
Sent
Thu Apr 9, 2026, 5:26 PM ET
Sent to
athleanx.com
Size
43 KB
Images
6
Links
9, 5 of them buttons
Subject length
39 characters

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Sent in the 5 PM hour, which holds 3% of its emails; 19% arrive in the 1 PM hour. The subject is 39 characters; its average is 37.

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From
ATHLEAN-X <[email protected]>
Subject
Your biceps aren't growing. Here's why.
Date
Thu, 09 Apr 2026 21:26:04 +0000 (UTC)
Message-ID domain
geopod-ismtpd-4
Return-Path domain
send.athleanx.com
DKIM signature
d=athleanx.com s=kl2
List-Unsubscribe
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  2. by recvd-…-fp9r2 with SMTP
  3. from (unnamed) by geopod-ismtpd-4 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

Apr 12, 2026 11:00 AMBe honest. How long have you been doing the same workout?
Apr 11, 2026 7:00 AMYour workout split is wrong. (Probably.)
Apr 10, 2026 3:01 PMYour protein is too low. Let's fix that.
Apr 9, 2026 5:26 PMYour biceps aren't growing. Here's why. (this email)
Apr 8, 2026 2:11 PMI'm begging you to stop doing these.
Apr 7, 2026 6:27 AMDo you even know your numbers?
Apr 6, 2026 12:59 PMHow Fit Are You REALLY?

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