NETZRO’s technology transforms food byproducts into upcycled ingredients that reduce waste and expand the food economy without growing more food.

Minnesota, USA
Joined November 2018
Our founder, Sue Marshall launced a new class at University of California Davis Brewers Masters program on how brewers can be enablers of a circular food supply chain. It was a success! Check it out.
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What if your favorite beer could help feed people? 🍺➡️🥖 Spent grain is packed with fiber, protein, and essential nutrients—making it an incredible ingredient for breads, snacks, and more. Upcycling it means turning “waste” into nourishment.
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Every upcycling story is unique, the impacts are universal: upcycled food is a climate solution with important outcomes. Learn more 💚 @upcycled-food-association and explore!
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NETZRO's fearless leader, Sue Marshall brings the upcycled food vibe this week in Minneapolis. Food upcycling is the perfect bridge. Don't you think?
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Eggshells aren’t waste—they’re overlooked. Billions of eggs are processed each year, generating massive volumes of shell waste. At NETZRO, we see something different: a nutrient-dense resource hiding in plain sight. Follow along as we unlock what’s inside the shell.
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NETZRO has been working with Prasanth Kumar, PhD at UofMN & his amazing lab for 2 years working on finding additional value in fruit pomace. Funding for his lab has been secured so this work on industrial yeast fermentation continues. Watch for "Pomace Up" updates.
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NETZRO has been working with Prasanth Kumar, PhD at UofMN & his amazing lab for 2 years working on finding additional value in fruit pomace. Funding for his lab has been secured so this work on industrial yeast fermentation continues. Watch for "Pomace Up" updates. #upcycledfood
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Did you know there is a whole world of ingredients that stop wasted food? Think: delicious sustainable sidestreams transformed into your favorite products. 💚Follow along to learn how you can chef, snack & sip smarter @upcycledfood
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Breweries produce millions of tons of spent grain each year—most of it underutilized. Upcycling spent grain transforms this byproduct into nutrient-rich ingredients, reducing food waste & lowering greenhouse gas emissions. When we upcycle, we’re redesigning the future of food
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Upcycled food is about innovation with impact-It’s a global step toward a circular food economy. Join us in building a better food future-one upcycled bite at a time. 🌍💚Eat Follow along: @upcycled-food-association
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Eggshell collagen is a powerful, sustainable alternative with superior functional benefits. It is a high-potential, differentiated ingredient with real advantages across bioactivity, sustainability, consumer relevance, and innovation. Reduce*Recover*Reharvest We are NETZRO
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