Persephone Biosciences emails
Persephone Biosciences sends about 5 emails a week through Klaviyo, most often on Sunday around 11 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 5
- Busiest send time
- Sundays at 11am ET
- Last sent
- Yesterday · Nov 1
- Tracked since
- Aug 2026
- Emails collected
- 60
Recent emails
Nov 1, 2026 1:30 PM
A milestone you won’t find in the baby book
Nov 1, 2026 11:50 AM
90% of babies are missing this
Oct 21, 2026 8:11 PM
Is your baby missing this key to lifelong health?
Oct 20, 2026 7:09 PM
Is your baby missing this key to lifelong health?
Oct 20, 2026 9:30 AM
A year in, and a thank you from me
Oct 19, 2026 8:09 PM
Most probiotic companies start with the strains
Recent subject lines
All subject linesSubject lines average 32 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Nov 1, 2026 1:30 PM | A milestone you won’t find in the baby book | Here’s why the early years matter. | |
| Nov 1, 2026 11:50 AM | 90% of babies are missing this | Yours doesn’t have to. | |
| Oct 21, 2026 8:11 PM | Is your baby missing this key to lifelong health? | Here's what the latest research says | |
| Oct 20, 2026 7:09 PM | Is your baby missing this key to lifelong health? | Here's what the latest research says | |
| Oct 20, 2026 9:30 AM | A year in, and a thank you from me | To the families helping us grow this mission. | |
| Oct 19, 2026 8:09 PM | Most probiotic companies start with the strains | ...we're not most companies. | |
| Oct 18, 2026 7:07 PM | Most probiotic companies start with the strains | ...we're not most companies. | |
| Oct 18, 2026 5:05 AM | 90% of babies are missing this | Yours doesn’t have to. |
Archive
View full archiveOctober 2026 22 emails
View allIs your baby missing this key to lifelong health?
Oct 21, 2026 8:11 PM
Is your baby missing this key to lifelong health?
Oct 20, 2026 7:09 PM
A year in, and a thank you from me
Oct 20, 2026 9:30 AM
Most probiotic companies start with the strains
Oct 19, 2026 8:09 PM
Most probiotic companies start with the strains
Oct 18, 2026 7:07 PM
90% of babies are missing this
Oct 18, 2026 5:05 AM
Your child is in a critical window
Oct 17, 2026 8:07 PM
Your child is in a critical window
Oct 16, 2026 7:05 PM
90% of babies are missing this
Oct 15, 2026 8:05 PM
Our birthday. A little gift for you.
Oct 15, 2026 8:01 AM
90% of babies are missing this
Oct 14, 2026 7:05 PM
Oct 13, 2026 8:04 PM
When Persephone Biosciences sends
20% of its emails arrive in the 11 AM hour, with a second, smaller wave around 5 AM. Sundays 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 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 0 |
| Tue | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Wed | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
| Sat | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 1 | 0 | 2 | 1 | 2 | 1 | 2 |
| 6a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 9a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 10a | 1 | 1 | 1 | 0 | 2 | 0 | 1 |
| 11a | 0 | 2 | 0 | 3 | 2 | 2 | 3 |
| 12p | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 2 | 1 | 2 | 1 | 1 | 1 | 1 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 4p | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 1 | 0 | 0 | 0 | 1 | 1 | 1 |
| 7p | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 8p | 2 | 1 | 1 | 1 | 0 | 1 | 1 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
FewerMore(busiest cell: 3 emails)
Based on 60 emails received from Aug 12 to Nov 1, 2026. Times in US Eastern. How we collect · When all brands send
How often Persephone Biosciences sends
The two complete months so far had 18 and 22 emails.
- Busiest month
- Oct 2026, 22
- Quietest month
- Sep 2026, 18
- Busiest day
- Sunday, 11
- Quietest day
- Wednesday, 7
About Persephone Biosciences
- ESP
- Klaviyo
- Tracked since
- Aug 2026
- Emails collected
- 60
- Emails a week
- about 5
- Last sent
- Nov 1, 2026
- Sends from
- hello@
persephone.bio - Subject length
- 32 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 | |
|---|---|---|---|---|---|---|---|
 80eighty80eighty.com · Top 500,000 sites | Klaviyo | Top 500,000 sites | about 5 | Friday | Oct 30, 2026 | Klaviyo · about 5 a week · busiest Friday · last sent Oct 30, 2026 | |
 A Race Against Blindnessaraceagainstblindness.org · Top 1 million sites | Klaviyo | Top 1 million sites | about 5 | Sunday | Nov 1, 2026 | Klaviyo · about 5 a week · busiest Sunday · last sent Nov 1, 2026 | |
 100X Equine100xequine.com | Klaviyo | about 5 | Friday | Nov 2, 2026 | Klaviyo · about 5 a week · busiest Friday · last sent Nov 2, 2026 |
