Beef and Poultry Show No Difference in Impact on Prediabetes Risk Factors
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A randomized crossover trial found no statistically significant difference between diets containing beef or poultry on pancreatic β-cell function or insulin sensitivity in adults with prediabetes. The study involved 24 participants over two 28-day dietary periods. The findings suggest that, for these specific metabolic markers, the type of meat may not be a primary dietary concern.
Facts First
- No significant difference found between beef and poultry diets on β-cell function or insulin sensitivity.
- 24 adults with prediabetes participated in a crossover trial comparing two 28-day diet periods.
- Study funded by the Beef Checkoff, with the funder reviewing a manuscript draft but not involved in data collection or analysis.
- Over 135 million U.S. adults have or are at elevated risk for type 2 diabetes (T2D).
What Happened
A randomized controlled trial (RCT) published in Current Developments in Nutrition compared the effects of diets containing beef versus poultry on key cardiometabolic health indicators in individuals with prediabetes. The trial included 24 adults (17 males, 7 females), aged 18-74, who had overweight or obesity along with prediabetes. Using a crossover design, each participant completed two separate 28-day diet periods, consuming two daily meals containing approximately 3.0-3.5 ounces of either cooked beef or poultry in dishes like fajitas, burgers, and stir fry. A 28-day washout period separated the interventions. Researchers measured pancreatic β-cell function, insulin sensitivity, and glucoregulatory hormones before and after each phase. After 28 days, the analysis found no statistically significant differences between the beef and poultry diets for any of these measured outcomes.
Why this Matters to You
If you or someone you know is managing prediabetes or concerned about type 2 diabetes (T2D) risk, this study suggests that... choosing between beef and poultry might not be a decisive factor for the specific metabolic functions tested. Your focus could remain on overall dietary patterns, portion sizes, and other lifestyle modifications known to impact blood sugar control. The trial was funded by the National Cattlemen's Beef Association, a contractor to the Beef Checkoff, but the funder was not involved in data collection or analysis, which may help mitigate concerns about bias for this particular finding.
What's Next
The published results contribute to the evidence base for dietary guidance in prediabetes management. Further research with larger, more diverse populations and longer intervention periods may be needed to confirm these findings and explore other health impacts. Future studies might also investigate different types of red meat, preparation methods, or the role of meat within broader, clinically-recommended diets for diabetes prevention.