Discover magazine provides an overview of the meaning and regulation of the "grass-fed beef" label. The article notes that USDA regulation of “grass-fed” labeling is limited, with the third-party American Grassfed Association overseeing a more rigorous inspection process. Cows raised on grass take longer to reach market weight than those fed on grain, passing higher costs onto consumers. Major benefits of grass-fed beef include differences in taste, small changes in nutritional profile, reduced use of antibiotics, and improved soil and ecology health.