ABOUT WINNOW

From what we know to what comes next

Our mission: to build simple, safe, and science-backed tools that help people thrive in an increasingly contaminated world.

FOUNDED · 2025

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PRINCIPLES

How we work, in three lines.

Principle 01

Science first

When we cite a study, we name the authors, the year, and the model system. We don't make claims the literature doesn't support.

Principle 02

Test beyond the standard

200+ contaminants tested per batch. Certificate of Analysis available for every batch.

Principle 03

Match the mission

If the product is about reducing microplastic exposure, the packaging should reflect that commitment.

WHO'S BEHIND THIS

Formulated by scientists, not a marketing team.

Winnow was developed by PhD scientists with backgrounds in molecular biology, biochemistry, and microbiology.

Smiling man with glasses and beard, wearing a light blue shirt outdoors.

Matthew Dunn, PhD

CEO & Co-Founder

PhD in Molecular and Cellular Biology. Completed postdoctoral work in biochemistry at UC Irvine. Former VP of Technology and Intellectual Property at ArkeaBio. Leads company strategy, scientific direction, and product vision.

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Andrew Larsen, PhD

COO & Co-Founder

PhD in Biological Design and MSc in Biochemistry. Co-founded Dropworks, later acquired by Bio-Rad. Leads preclinical validation, supplier qualification, and next generation formulation work at Winnow.

ADVISORY GROUP

Winnow's advisors help ensure the product performs well, stays clean, is rigorously tested, and remains worthy of the trust their audiences place in them.

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Nick Norwitz, MD PhD

Oxford & Harvard.

Metabolic Health.

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Brendan McLaughlin, DC

Aquarian Health Solutions.

Environmental Health.

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Alison Egeland, ND

Aura Functional Medicine.

Environmental Health.

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Susan Fox, DACM, L.Ac., FABORM

Women's Health, Fertility, Pregnancy, Menopause.

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Courtney Swan

Realfoodology.

Nutrition.

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Brigid Arciero, MS

Johns Hopkins.

Regulatory.

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John Welbourn

NFL veteran.

Performance.

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Cathryn Crookston, RN,BSN

Purdue.

Product & Clinical.

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Alicia Connor, MA, RDN

Quick & Delish.

Nutrition.

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WORK WITH US

Join our mission.

We're a small team working on a large problem. If you're aligned with the mission — as a researcher, practitioner, creator, or advocate — we'd like to hear from you.

hello@winnowlabs.com

Explore Winnow.

Starting with microplastics. Built on clinically-studied gut health strains, preclinical binding science, plastic-free packaging, and transparent evidence.

The Science

About Microplastics

Exposure Calculator

Journal

Atlas

Shop Winnow →