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Perspectives on the Protein Recommendations in the 2025-2030 Dietary Guidelines for Americans
Stefan M Pasiakos1, Teresa A Davis2, David M Klurfeld3
1Pennington Biomedical Research Center, Baton Rouge, LA, United States.
The Journal of Nutrition
|July 24, 2026
Summary
The 2025-2030 Dietary Guidelines for Americans (DGA) updated protein recommendations are controversial. They focus narrowly on weight management, neglecting chronic disease risks and diverse populations.
Area of Science:
- Nutrition Science
- Public Health Policy
- Dietary Recommendations
Background:
- The 2025-2030 Dietary Guidelines for Americans (DGA) introduced new protein intake recommendations (1.2-1.6 g/kg/d).
- These guidelines diverge from the 2025 Dietary Guidelines Advisory Committee (DGAC) scientific report and past DGA editions.
- The DGA process traditionally emphasizes food-based recommendations, but the new protein guidance is nutrient-based.
Purpose of the Study:
- To critically evaluate the scientific basis and scope of the 2025-2030 DGA protein recommendations.
- To compare the new protein guidance with previous DGA editions, the DGAC report, and current intake patterns.
- To identify strengths, limitations, and areas requiring further research regarding protein recommendations.
Main Methods:
- Systematic review of randomized controlled trials (RCTs) on weight-management outcomes.
- Narrative review on nutrient adequacy.
- Comparative analysis of DGA editions, DGAC report, and population intake data.
Main Results:
- The 2025-2030 DGA protein recommendations are primarily based on weight management evidence, with limited consideration for chronic disease risk (cardiovascular, diabetes, kidney, cancer, bone).
- The scientific basis is deemed insufficiently comprehensive, lacking clarity on macronutrient strategies for weight management versus physiological amino acid needs.
- Concerns exist regarding the application of higher protein targets across diverse populations due to the guidelines being developed independent of equity and inclusion considerations.
Conclusions:
- Evidence from weight loss studies alone is insufficient to support universal dietary protein recommendations for all Americans across the lifespan.
- The 2025-2030 DGA protein guidance requires broader scientific scope, greater clarity, and consideration of equity.
- Further research is needed to inform comprehensive, population-specific protein recommendations.
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