Food choices and individual nutrients can assist in prevention of disease.
Sites listed here will provide non-commercial, authoritative information on the role of nutrition in preventing disease.
Sites about prevention of specific diseases will be listed in those subcategories if available, and sites about disease prevention in general belong in Health/Public_Health_and_Safety/Disease_Control_and_Prevention.

Sites with a focus on online sales will not be listed here. They belong in Shopping: Health: Nutrition.

Category covering gluten-free diets.