Take the Guesswork out of Fueling

Preview text: Meet the new GU Nutrition Calculator.

GU Energy LabsFriday, Jul 17, 2026 at 10:00 PM EasternKlaviyo
GU Energy LabsTake the Guesswork out of Fueling
Subject
Take the Guesswork out of Fueling
Preview text
Meet the new GU Nutrition Calculator.
From
donotreply@guenergy.com
Sent
Fri Jul 17, 2026, 10:00 PM ET
Sent to
guenergy.com
Size
49 KB
Images
15
Links
18, 1 of them buttons
Subject length
33 characters

Against GU Energy Labs's usual

Sent in the 10 PM hour, which holds 16% of its emails; 50% arrive in the 12 AM hour. The subject is 33 characters, the same as its average.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
GU Energy Labs <[email protected]>
Subject
Take the Guesswork out of Fueling
Date
Sat, 18 Jul 2026 02:00:02 +0000 (UTC)
Message-ID domain
geopod-ismtpd-48
Return-Path domain
k1.send.guenergy.com
DKIM signature
d=send.guenergy.com s=s1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1354.shared.klaviyomail.com [167.89.106.34] by our receiving server with ESMTPS
  2. by recvd-…-xlqpk with SMTP
  3. from (unnamed) by geopod-ismtpd-48 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

Report this email

Sent just before and after

Jul 27, 2026 12:00 AMNew Liquid Energy That Tastes Like...
Jul 24, 2026 10:00 PMYour Campfire Craving, Solved
Jul 22, 2026 12:00 AMThe Right Way To Use Caffeine ⚡
Jul 17, 2026 10:00 PMTake the Guesswork out of Fueling (this email)
Jul 13, 2026 10:00 PMFind Your Flavor 🍑🍋🍫
Jul 10, 2026 8:01 PMThe hardest part isn’t the miles
Jul 6, 2026 12:00 AMRunning Low? Free Shipping Ends Tonight ⌛

More from GU Energy Labs

All GU Energy Labs emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.