This UV technology could make raw milk safe for everyone — Bob Comstock, Tamarack Biotics

Farm to Future

What if we could have all the immune-boosting benefits of raw milk without any of the safety risks? That's the promise of today's episode.

Bob Comstock is the CEO of Tamarack Biotics and inventor of a revolutionary UV pasteurization technology that just received FDA approval after 12 years of development. Unlike traditional heat pasteurization that destroys up to 70% of milk's beneficial compounds, Bob's "cold pasteurization" process preserves 93-100% of bioactive proteins while eliminating dangerous pathogens.

European studies have consistently shown that children who consume raw milk are protected from developing asthma, hay fever, eczema, and food allergies – conditions that now affect nearly half of all children. But the scientific community has confirmed that heating milk destroys this protective effect. Bob's UV technology could be the key to making these health benefits safely accessible to everyone.

Bob shares the fascinating origin story of how he discovered this technology while living in Singapore, the hundreds of pathogens they had to test against for FDA approval, and why a regulation from the 1970s nearly derailed the entire project. He also discusses their clinical trials showing elderly participants had 120% more antibodies after consuming UV-treated milk protein compared to traditional whey protein, and their upcoming studies on allergy prevention in children.

This technology could revolutionize not just the dairy industry, but potentially help address America's chronic disease epidemic by making truly nutritious milk widely available for the first time in over 150 years.

About Bob Comstock

Bob Comstock is the founder and CEO of Tamarack Biotics, a food‑tech company based in Fresno, California. With a Mechanical Engineering degree from UC Berkeley and a BA in History & Public Policy from UCSB, Bob launched Tamarack in 2011 to pioneer healthier dairy solutions. Before starting Tamarack Biotics, he worked in engineering and product development roles.

Under his leadership, Tamarack developed TruActive®, the first FDA‑accepted UV‑based milk treatment that kills pathogens while retaining enzymes, proteins, and immune‑boosting bioactives—without traditional pasteurization.

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