By Priyanjana Pramanik, MSc. Reviewed by Lauren Hardaker Feb 2 2026 A controlled crossover trial finds that short-term consumption of unprocessed beef is on par with poultry for glucose control, β-cell function, and cardiometabolic markers in people with prediabetes. Study: Effects of Diets Containing Beef Compared with Poultry on Pancreatic β-Cell Function and Other Cardiometabolic Health Indicators in Males and Females with Prediabetes: A Randomized, Crossover Trial. Image credit: Nitr/