GU Energy Labs emails
GU Energy Labs sends about 2 emails a week through Klaviyo, most often on Friday around 12 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 2
- Busiest send time
- Fridays at 12am ET
- Last sent
- 2 days ago · Oct 31
- Tracked since
- Mar 2026
- Emails collected
- 73
Recent emails
Oct 31, 2026 12:00 AM
Treat Yourself to the Flavor of Fall 🍂 (No Tricks Here!)
Oct 28, 2026 2:05 AM
Still curious? Your GU is right where you left it
Oct 28, 2026 12:00 AM
Chocolate: The Fuel You Crave! 🍫
Oct 20, 2026 12:00 AM
Explore New Energy with GU Mixed Box
Oct 18, 2026 7:07 AM
Last Chance for 20% Off ⌛
Oct 16, 2026 12:38 PM
Still curious? Your GU is right where you left it
Recent subject lines
All subject linesSubject lines average 34 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 31, 2026 12:00 AM | Treat Yourself to the Flavor of Fall 🍂 (No Tricks Here!) | Celebrate Halloween with Maple Cinnamon and fuel your adventure. | |
| Oct 28, 2026 2:05 AM | Still curious? Your GU is right where you left it | You checked it out. Now see why athletes trust it. | |
| Oct 28, 2026 12:00 AM | Chocolate: The Fuel You Crave! 🍫 | Celebrate Chocolate Day with this endurance-ready flavor. | |
| Oct 20, 2026 12:00 AM | Explore New Energy with GU Mixed Box | Discover your favorite flavors and fuel all in one box. | |
| Oct 18, 2026 7:07 AM | Last Chance for 20% Off ⌛ | Still Thinking About Fueling Up? | |
| Oct 16, 2026 12:38 PM | Still curious? Your GU is right where you left it | You checked it out. Now see why athletes trust it. | |
| Oct 16, 2026 7:03 AM | Open For Your 20% Off Code ➡️ | Your next adventure is calling. | |
| Oct 13, 2026 8:00 PM | Roxanne Vogel, PhD: 218 Miles, 2nd Woman, 3rd Overall 🏅 | 58 hours on the Mammoth 200 and a podium finish on her home trails. |
Archive
View full archiveOctober 2026 11 emails
View allOct 16, 2026 7:03 AM
Roxanne Vogel, PhD: 218 Miles, 2nd Woman, 3rd Overall 🏅
Oct 13, 2026 8:00 PM
Your Fall Cravings, Fulfilled 🎃
Oct 9, 2026 8:00 PM
Still curious? Your GU is right where you left it
Oct 7, 2026 1:33 AM
Oct 6, 2026 10:00 PM
September 2026 10 emails
View all☕ Happy National Coffee Day. Order up.
Sep 29, 2026 6:02 AM
5 Steps to a Dialed Fall Fuel Plan 🍂
Sep 25, 2026 10:00 PM
Last Call: We're Still Overstocked
Sep 20, 2026 12:00 AM
Fuel Up: New BOGO Liquid Energy Box!
Sep 18, 2026 7:37 PM
Help Protect 45M Acres of Public Land 🌎
Sep 18, 2026 12:01 AM
Last Day: $10 Off Ends Tonight ⌚
Sep 13, 2026 12:00 AM
Still Time to Build Your Fuel Kit
Sep 10, 2026 12:00 AM
Fall Training Starts Here: $10 Off
Sep 7, 2026 12:00 AM
Sep 4, 2026 10:00 PM
Still curious? Your GU is right where you left it
Sep 1, 2026 1:51 AM
When GU Energy Labs sends
52% of its emails arrive in the 12 AM hour, with a second, smaller wave around 8 PM. Fridays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 4 | 0 |
| Tue | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| Wed | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
| Thu | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fri | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 4 | 0 |
| Sat | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Sun | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 8 | 3 | 5 | 5 | 8 | 3 | 6 |
| 1a | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 2a | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 12p | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
| 1p | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5p | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 8p | 2 | 1 | 0 | 0 | 5 | 1 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 4 | 1 | 2 | 0 | 4 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 8 emails)
Based on 73 emails received from Mar 16 to Oct 31, 2026. Times in US Eastern. How we collect · When all brands send
How often GU Energy Labs sends
Complete months have run between 9 and 11 emails.
- Busiest month
- Oct 2026, 11
- Quietest month
- Apr 2026, 9
- Busiest day
- Friday, 21
- Quietest day
- Saturday, 4
About GU Energy Labs
- ESP
- Klaviyo
- Tracked since
- Mar 2026
- Emails collected
- 73
- Emails a week
- about 2
- Last sent
- Oct 31, 2026
- Sends from
- online@
guenergy.com - Subject length
- 34 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 14th Night14thnight.com | Klaviyo | about 2 | Thursday | Oct 30, 2026 | Klaviyo · about 2 a week · busiest Thursday · last sent Oct 30, 2026 | ||
 21Captains21captains.com | Klaviyo | about 2 | Tuesday | Nov 1, 2026 | Klaviyo · about 2 a week · busiest Tuesday · last sent Nov 1, 2026 | ||
 27 Boutique27boutique.com | Klaviyo | about 2 | Wednesday | Oct 31, 2026 | Klaviyo · about 2 a week · busiest Wednesday · last sent Oct 31, 2026 |
