The pervasive notion that healthy food necessitates a sacrifice of taste and enjoyment represents a fundamental flaw in the modern food system, according to Matt Barnard, co-founder and CEO of One Unlimited, the parent company behind fiber science platform one.bio and the newly launched consumer brand GoodVice. Barnard posits that framing health as a discipline—a state requiring constant effort and often involving unpleasant experiences—inherently prevents it from becoming the default choice for consumers. "Virtuous suffering is a system failure," Barnard stated in a recent interview with The Spoon, highlighting the disconnect between perceived health benefits and actual consumer behavior.
The company’s initial foray into the consumer market includes protein shakes, which boast 10 grams of oat fiber and 15 grams of protein per serving, available for purchase on the GoodVice website. This launch marks a significant step in One Unlimited’s broader mission to reintroduce the biological signaling power of fiber, which they argue has been largely lost in the evolution of processed foods.
The Unfolding Science of Fiber: From Culinary Roots to Molecular Understanding
The genesis of one.bio’s innovative fiber technology can be traced back to the professional kitchens where co-founder and chief science officer Matt Amicucci began his career. His early experiences as a chef ignited a passion for understanding how people interact with food and the profound impact it has on their well-being. This fascination led him to pursue a more rigorous academic path, culminating in studies at UC Davis. There, he delved into food science and eventually earned a Ph.D. in chemistry, with a specialized focus on dietary fiber and the complex interplay between various carbohydrates and the gut microbiome.
During his academic journey, Amicucci observed a significant disparity in how different nutritional components were understood and categorized. While vitamins and minerals had been meticulously dissected into discrete, functional entities over the preceding century, dietary fiber remained largely relegated to a single, undifferentiated value on nutrition labels. This lack of granular understanding meant that the unique properties and health implications of fibers found in, for example, an apple versus a sweet potato, were poorly understood at a molecular level. "We didn’t understand how the fiber in an apple or a sweet potato was different from a molecular standpoint," Amicucci explained, "And we didn’t understand how they could influence health in different ways."
This gap in scientific comprehension fueled Amicucci’s drive to develop a more sophisticated framework for understanding fiber. The result of this endeavor is what he and one.bio refer to as the "glycopedia," a proprietary database that meticulously catalogs the molecular structures and diverse biological functions of dietary fibers found across a vast spectrum of foods. This comprehensive cataloging process involves a deep dive into the composition of fibers, examining them "monomer by monomer, linkage by linkage, branch by branch," to understand precisely how these structures interact with the gut microbiome.
The ambition behind the glycopedia extends beyond mere classification. The ultimate goal is to accurately predict the health outcomes associated with different fiber types. By correlating specific fiber structures with distinct microbial behaviors, the company aims to pinpoint which fibers are most effective in promoting specific biological functions, ranging from the regulation of blood glucose levels to the modulation of immune responses. The scientific team has already demonstrated the efficacy of their approach through research utilizing machine learning models. These models have been employed to predict the interactions of novel fibers with the microbiome, with subsequent experimental validation confirming the accuracy of these predictions. "Turns out our prediction was correct," Amicucci confirmed, underscoring the reliability of their predictive capabilities.
This foundational research ultimately led the team to identify beta-glucan, a soluble fiber abundant in oats, as a key ingredient. Beta-glucan now forms the basis of one.bio 01, the proprietary ingredient that powers GoodVice’s inaugural product line.
Reclaiming the "Biological Signals" Lost in Modern Food Processing
Barnard and Amicucci articulate a compelling theory regarding the evolution of modern food: it has not only lost essential nutrients but also, critically, its "biological signals." They propose that fiber transcends its traditional classification as a mere nutrient; it acts as a vital communication layer between food and the human body. This communication orchestrates crucial functions within the gut microbiome, influencing metabolism, immunity, and inflammation. As food processing methods evolved to prioritize factors like extended shelf life, desirable textures, and cost reduction, the removal of fiber led to the concurrent elimination of these essential biological signals. "Our microbiome takes it in, does work on our behalf, and then creates signals for our gut, metabolic, and immune systems," Barnard elaborated. The absence of these signals, he explained, renders many commonly consumed foods metabolically chaotic, despite their caloric content.
The Systemic Failures of Industrial Fiber Solutions
Barnard identifies three primary reasons why the industrial food system has largely failed to deliver meaningful fiber content in a way that benefits consumers:
- Synthetic or Highly Modified Fibers: A significant portion of widely used fibers in processed foods are either synthetic or have undergone extensive modification. This renders them unrecognizable to the human microbiome, diminishing their potential for beneficial interactions.
- The Experience Trade-off: While some natural fibers exhibit strong biological efficacy, they often come with an undesirable consumer experience. Barnard humorously notes, "You wouldn’t want Metamucil in your soda," illustrating the challenge of incorporating certain functional fibers without compromising palatability and texture.
- Digestive Distress and Inflammation: Certain commonly used fibers, particularly inulins and fructooligosaccharides (FOS), can induce inflammatory responses or cause gastrointestinal distress at the concentrations required for significant health benefits.
"The secret sauce," Barnard emphasized, lies in developing "anti-inflammatory fibers that have real function and can be used at high concentrations without affecting the experience whatsoever."
The company provided pre-release samples of their products, including an orange pomegranate seltzer infused with 20 grams of fiber and packets of GoodVice protein shake powder. The products were notably palatable, delivering a pleasant taste and texture without the chalky or "fibery" aftertaste often associated with high-fiber formulations.
From Foundational Platform to Consumer Products: A Strategic Rollout
The GoodVice protein shakes represent one.bio’s initial foray into the direct-to-consumer market, serving as a "reference design" for the capabilities of their fiber technology. These shakes are formulated with 10 grams of one.bio 01 prebiotic oat fiber, 15 grams of protein, and a blend of other beneficial nutrients, including creatine and magnesium.
However, the company’s vision extends far beyond a single product category. Barnard articulated a broader ambition: to fundamentally alter the nutritional landscape of processed foods. "When you go to the grocery store, 70 percent of calories are not whole foods," he observed. "What we’re doing is returning the signals of whole food to those calories." This could manifest in various applications, such as oat milk fortified with restored oat fiber, juices that reincorporate their natural fruit fiber, or baked goods engineered to mimic the metabolic profiles of their whole-food counterparts.
Addressing the Modern Health Crisis: A Proactive Approach to Wellness
In the context of rising interest in pharmaceutical interventions like GLP-1 agonists for weight management and metabolic health, Barnard positioned fiber-based solutions as a proactive measure. While acknowledging the necessity of pharmaceutical approaches for many individuals, he stressed the preventative potential of fiber. "What our fibers can do is prevent people from getting there in the first place," he asserted.
For individuals already utilizing or considering GLP-1s, Barnard sees fiber-rich foods as a complementary or alternative "off-ramp." He noted that many individuals experience undesirable side effects from pharmaceuticals, and fiber offers a pathway to achieve similar metabolic benefits without the associated risks. "There are plenty of people who don’t like the side effects," Barnard stated. "We can give them those signals without pharmaceuticals."
The Future of Personalized Nutrition: Fiber as a Key Enabler
Looking ahead, Amicucci expressed optimism that the burgeoning understanding of fiber science will usher in an era of truly personalized nutrition. When questioned about the timeline for such advancements, he indicated that the transformation is likely to be much more rapid than commonly anticipated. "I don’t think it’s going to take 10 or 20 years," he predicted. "I think it’s right around the corner."
This sentiment suggests that the scientific breakthroughs achieved by one.bio and their comprehensive glycopedia are poised to accelerate the development of tailored dietary interventions, moving beyond generalized nutritional advice to highly specific, biologically informed recommendations. The ability to precisely modulate the gut microbiome and its downstream effects through targeted fiber intake could revolutionize how individuals approach their health and well-being.
The full scope of this endeavor and the potential impact on the global food supply chain and public health are substantial. By restoring the lost biological signals of fiber, One Unlimited and GoodVice aim to fundamentally reframe the relationship between food, health, and enjoyment, making beneficial nutrition not a matter of discipline, but an accessible and desirable default.
A full interview with the co-founders of One Unlimited/One.bio can be accessed via the following video: Fiber’s Signal Has Faded in Modern Food. These Two Founders Want to Restore It
