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Persephone Biosciences

San Diego, CA · Founded 2017 · 6 employees

We are using the gut microbiome to end cancer.

About Persephone Biosciences

Where is Persephone Biosciences headquartered?

Persephone Biosciences is headquartered in San Diego, CA.

What does Persephone Biosciences do?

We are using the gut microbiome to end cancer.

What problem does Persephone Biosciences solve?

Their own 'My Baby Biome' study found 9 out of 10 U.S. babies are born without essential gut bacteria, raising risk of food sensitivities/eczema, asthma/allergies, weakened immunity, and chronic inflammation.

What's Persephone Biosciences's solution?

Makes a synbiotic supplement for infants and toddlers that pairs keystone probiotic strains (Bifidobacterium) with an HMO prebiotic blend modeled on breast milk to replenish missing gut bacteria.

What makes Persephone Biosciences different?

Backed by a randomized, double-blind, placebo-controlled clinical trial (ARTEMIS) published in Pediatric Research, a Nature Portfolio journal, plus Clean Label Project certification and third-party/deep DNA-sequenced batch testing.

What makes Persephone Biosciences notable?

Co-founded in 2017 by Dr. Stephanie Culler and Dr. Steve Van Dien; the San Diego biotech closed a $15M seed round in 2022 to develop gut-microbiome-based cancer immunotherapies.

Industry
Healthcare
Founded
2017
HQ
San Diego, CA
Employees
6

Related terms

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Free to use in articles, research, and reference works. Stable URL, will not change. Data on this page last updated September 3, 2026.

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"Persephone Biosciences: Company Profile." SoCal.Startups, September 3, 2026, https://socalstartups.io/companies/persephone-biosciences. Accessed September 29, 2026.
APA
SoCal.Startups. (2026). Persephone Biosciences: Company Profile. Retrieved September 29, 2026, from https://socalstartups.io/companies/persephone-biosciences
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