Keith Belk, PhD
Dr. Keith Belk is the Director of Eurofins’ Advanced Learning Institute and Professor and Holder of the Monfort Endowed Chair, Center for Meat Safety & Quality, Colorado State University (CSU), and as an Adjunct Professor in the Colorado School of Public Health. Previously, he served as Professor and Head of the Department of Animal Sciences at CSU. He earned B.S. and M.S. degrees from CSU, and a Ph.D. from Texas A&M University. He currently serves in a consulting role as the Director of Education for Eurofins Rapid Microbiology Laboratories, LLC. Dr. Belk is also a member of the International Committee for the National Western Stock Show, the Board of Directors for the International Stockmen’s Educational Foundation, on the Academic Advisory Committee for the Meat Institute Protein PACT, and on the technical advisory committees for Sustainable Beef, JBS, Colorado Premium Foods, and Hawkins.
Below are resources from Dr. Keith Belk:
As the category of sports nutrition matures, so does the science behind it, and few ingredients illustrate that shift better than creatine. Once viewed as a niche performance supplement, creatine has entered the mainstream, driven by a growing body of research, broader consumer education, and innovation in product formats.
Supplement and OTC products often require non-traditional testing approaches such as radiolabel studies or DEA Schedule I compound analysis. Knowing when and how to apply these specialized methods is key to regulatory success.
While advanced technology often takes center stage in discussions about scientific accuracy, the age and preparation of samples are equally critical. By prioritizing the seemingly small details, researchers can ensure that their findings stand up to scrutiny and contribute meaningfully to scientific progress.
In the dietary supplement and ingredient industry, protecting consumer health and meeting regulatory expectations are nonnegotiable. One critical aspect of quality control is residual solvent testing. Residual solvents, volatile chemicals used during manufacturing, can remain in products if not properly removed.
When evaluating fiber testing approaches, it’s important to review how results differ across sample matrices tested by both the new and previous methods. More laboratories are implementing the Rapid Integrated Dietary Fiber Methods - AOAC Official Methods 2017.16 and 2022.01. The AOAC 2017.16 method measures the insoluble fiber fraction (IDF) and soluble fiber fraction that precipitates in 78% ethanol (SDFP) together, and separately measures the soluble dietary fiber not precipitated in 78% ethanol (SDFS) by HPLC.
Postbiotics, defined as non-viable microbial cells, their components, or metabolites that confer health benefits to the host, represent a rapidly expanding frontier in microbiome research and functional ingredient development. Watch this webinar for a comprehensive look at the rapidly evolving field of postbiotics, combining cutting-edge science, global regulatory insights, and practical testing methodologies. Originally Aired on December 11, 2025.
In this blog, Dan Brouman traces MAHA’s path since December 2024, when the MAHA Caucus launched in Congress. Brouman also discusses MAHA’s future and its effects on food policy.
Selecting the right microbiological testing method isn’t just about speed or cost. It’s about risk management, product integrity, and regulatory compliance. Click to read about the strengths and limitations of different methodologies essential to avoid false negatives, regulatory citations, or costly recalls.
In the world of dietary supplements and food testing, unexpected results like failed specifications, out-of-spec (OOS) results, or surprising contaminant detections can be unsettling, but they’re not uncommon. Here’s how to navigate the process when results don’t align with expectations.
When it comes to dietary supplement testing, one seemingly small detail can have outsized consequences: specifying the correct vitamin form. Understanding and communicating the exact vitamin form in your product is not just a technical necessity, it’s a strategic imperative in ensuring accurate results, timely reporting, and regulatory compliance.
