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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.

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Free to use in articles, research, and reference works. Stable URL, will not change. Data on this page last updated August 27, 2026.

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"Persephone Biosciences: Company Profile." SoCal.Startups, August 27, 2026, https://socalstartups.io/companies/city/san-diego/healthcare/persephone-biosciences. Accessed August 27, 2026.
APA
SoCal.Startups. (2026). Persephone Biosciences: Company Profile. Retrieved August 27, 2026, from https://socalstartups.io/companies/city/san-diego/healthcare/persephone-biosciences
WIKIPEDIA (CITE WEB)
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