Northline Labs emails
Northline Labs sends about 3 emails a week through Klaviyo, most often on Tuesday around 11 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 3
- Busiest send time
- Tuesdays at 11am ET
- Last sent
- Today · Oct 30
- Tracked since
- Aug 2026
- Emails collected
- 40
- Website popularity
- Top 500,000 sites
Recent emails
Oct 30, 2026 11:02 AM
Halloween Giveaway: a free GLP-3 RT for every $100
Oct 27, 2026 11:00 AM
BPC-157 and TB-500: one vial or two?
Oct 27, 2026 7:20 AM
Still on the shelf — what you were looking at
Oct 24, 2026 12:27 AM
A few researcher favorites
Oct 20, 2026 11:00 AM
Tesamorelin: single vial or the blend?
Oct 20, 2026 12:26 AM
Who we are, in 60 seconds
Recent subject lines
All subject linesSubject lines average 40 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 30, 2026 11:02 AM | Halloween Giveaway: a free GLP-3 RT for every $100 | Halloween Giveaway A free GLP-3 RT for every $100, 25% off sitewide with OCTOBER25, and a… | |
| Oct 27, 2026 11:00 AM | BPC-157 and TB-500: one vial or two? | BPC-157 and TB-500, on one page What BPC-157 and TB-500 are, how the 20 mg set differs… | |
| Oct 27, 2026 7:20 AM | Still on the shelf — what you were looking at | You were reading up on a few of our compounds — it's in stock, tested, and it'll be here… | |
| Oct 24, 2026 12:27 AM | A few researcher favorites | The peptides researchers reorder most — 15% off with CLUB15. Top Sellers A few researcher… | |
| Oct 20, 2026 11:00 AM | Tesamorelin: single vial or the blend? | Tesamorelin, on one page What Tesamorelin is, how the 15 mg blend differs, 1–2 mL of… | |
| Oct 20, 2026 12:26 AM | Who we are, in 60 seconds | The 60-second version: who we are, what we test, how fast we ship. 60 Seconds Who we are… | |
| Oct 19, 2026 8:59 PM | A few researcher favorites | The peptides researchers reorder most — 15% off with CLUB15. Top Sellers A few researcher… | |
| Oct 17, 2026 12:25 AM | Your 15% off with CLUB15 is still waiting | Your 15% off with CLUB15 is still here. ⏳ YOUR 15% OFF IS WAITING Your code is still… |
Archive
View full archiveOctober 2026 23 emails
View allOct 19, 2026 8:59 PM
Your 15% off with CLUB15 is still waiting
Oct 17, 2026 12:25 AM
Why the copper peptides turn blue
Oct 16, 2026 11:03 AM
Oct 15, 2026 9:00 PM
NL-RT-3 (formerly Reta GLP-3), on one page
Oct 14, 2026 11:00 AM
Save 15% on your first Northline order
Oct 14, 2026 12:24 AM
When Northline Labs sends
48% of its emails arrive in the 11 AM hour, with a second, smaller wave around 12 AM. Tuesdays 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Tue | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| Fri | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Sat | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 1 | 1 | 0 | 0 | 2 | 0 |
| 1a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 1 | 0 | 0 | 1 | 1 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 2 | 1 | 0 | 0 | 1 | 0 |
| 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 | 2 | 5 | 1 | 1 | 7 | 1 | 2 |
| 12p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 1 | 0 | 1 | 0 | 0 | 1 | 1 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 2 | 0 | 0 | 1 | 1 | 0 | 0 |
| 9p | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 7 emails)
Based on 40 emails received from Aug 5 to Oct 30, 2026. Times in US Eastern. How we collect · When all brands send
How often Northline Labs sends
The one complete month so far had 12 emails.
- Busiest month
- Sep 2026, 12
- Quietest month
- Sep 2026, 12
- Busiest day
- Tuesday, 9
- Quietest day
- Thursday, 3
About Northline Labs
- ESP
- Klaviyo
- Website popularity (CrUX)
- Top 500,000 sites
- Tracked since
- Aug 2026
- Emails collected
- 40
- Emails a week
- about 3
- Last sent
- Oct 30, 2026
- Sends from
- hello@
northlinelabs.org - Subject length
- 40 characters avg
Counts include automated emails such as a welcome series. Website popularity is the bracket the brand's site falls in by visits, from Google's public Chrome UX Report (CrUX).
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 2O32o3.com | Klaviyo | about 3 | Wednesday | Oct 26, 2026 | Klaviyo · about 3 a week · busiest Wednesday · last sent Oct 26, 2026 | ||
 2Putt2putt.com | Klaviyo | about 3 | Friday | Oct 30, 2026 | Klaviyo · about 3 a week · busiest Friday · last sent Oct 30, 2026 | ||
| 247 Curtains247curtains.co.uk · Top 500,000 sites | Klaviyo | Top 500,000 sites | about 3 | Monday | Oct 30, 2026 | Klaviyo · about 3 a week · busiest Monday · last sent Oct 30, 2026 |
