Evaluating Large Language Models and Retrieval-Augmented Generation Enhancement for Delivering Guideline-Adherent Nutrition Information for Cardiovascular Disease Prevention: Cross-Sectional Study

Vijaya Parameswaran   ¹ , RD, MS, PhD ;   Jenna Bernard   ² , RD, MS ;   Alec Bernard   ¹ , MSCR, MD ;   Neil Deo   ³ , BS ;   Sean Tsung   ⁴ , MS ;   Kalle Lyytinen   ⁵ , PhD ;   Christopher Sharp   ¹ , MD ;   Fatima Rodriguez   ¹ , MPH, MD ;   David J Maron   ¹ , MD ;   Rajesh Dash   ¹ , MD, PhD

¹ School of Medicine, Stanford University, Palo Alto, CA, United States

² Tufts University, Boston, MA, United States

³ University of Illinois Urbana-Champaign, Champaign, IL, United States

⁴ Stanford University, Palo Alto, CA, United States

⁵ Case Western Reserve University, Cleveland, OH, United States