Persephone Biosciences email archive

A milestone you won’t find in the baby book

Nov 1, 2026 1:30 PM

90% of babies are missing this

Nov 1, 2026 11:50 AM

Is 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

👋 I'm Stephanie

Oct 13, 2026 8:04 PM

A closer look at the science inside

Oct 13, 2026 6:30 AM

We studied a lot of 💩

Oct 12, 2026 8:02 PM

👋 I'm Stephanie

Oct 12, 2026 6:56 PM

We test like lives depend on it

Oct 11, 2026 8:00 PM

We studied a lot of 💩

Oct 11, 2026 6:55 PM

Here’s 30% off to get started

Oct 10, 2026 7:59 PM

We test like lives depend on it

Oct 10, 2026 6:54 PM

90% of babies are missing this

Oct 9, 2026 11:00 PM

Here’s 30% off to get started

Oct 9, 2026 6:53 PM

A closer look at the science inside

Oct 9, 2026 10:10 AM

Is your baby missing this key to lifelong health?

Sep 21, 2026 12:52 PM

Most probiotic companies start with the strains

Sep 19, 2026 11:42 AM

90% of babies are missing this

Sep 17, 2026 3:09 PM

Your child is in a critical window

Sep 17, 2026 11:41 AM

90% of babies are missing this

Sep 15, 2026 11:41 AM

👋 I'm Stephanie

Sep 13, 2026 11:39 AM

We studied a lot of 💩

Sep 12, 2026 11:37 AM

Is your baby missing this key to lifelong health?

Sep 11, 2026 1:54 PM

We test like lives depend on it

Sep 11, 2026 11:35 AM

Most probiotic companies start with the strains

Sep 9, 2026 1:53 PM

Your child is in a critical window

Sep 7, 2026 1:52 PM

90% of babies are missing this

Sep 5, 2026 1:51 PM

👋 I'm Stephanie

Sep 3, 2026 1:50 PM

Is your baby missing this key to lifelong health?

Sep 3, 2026 11:13 AM

We studied a lot of 💩

Sep 2, 2026 1:49 PM

We test like lives depend on it

Sep 1, 2026 1:47 PM

Most probiotic companies start with the strains

Sep 1, 2026 11:10 AM

90% of babies are missing this

Aug 31, 2026 7:50 PM

Here’s 30% off to get started

Aug 31, 2026 1:46 PM

Your child is in a critical window

Aug 30, 2026 11:08 AM

90% of babies are missing this

Aug 28, 2026 11:00 AM