U.S. News And World Report 2025. News rates the best diets of 2025 to help you reach your health and weight goals. Princeton and williams college top the rankings for national universities and liberal arts colleges.

News also added 13 newly evaluated diets that had not previously been included, such as the acid reflux diet, the autoimmune protocol (aip) diet, the alkaline. Ranking systems have lost some of their sway—but still remain influential.