Nutrition Library
Evidence-based articles from Harvard's Nutrition Source
Content curated from Harvard T.H. Chan School of Public Health — The Nutrition Source. Articles open in a new tab.
What Should I Eat?
The basics of healthy eating patterns
The Healthy Eating Plate
Create healthy, balanced meals using this visual guide as a blueprint.
Protein
Protein is an essential macronutrient, but not all food sources are created equal.
Carbohydrates
The type of carbohydrate you eat is more important than the amount.
Fats and Cholesterol
When it comes to dietary fat, what matters most is the type of fat you eat.
Salt and Sodium
We need some sodium but too much can lead to health problems.
Diet Reviews & Food Features
Popular diets and deep dives on specific foods
Diet Reviews
A look at some popular diets—and the research behind them.
Food Features
Explore your favorite foods: History, nutrition, and cooking ideas.
Food Additives
Food additives enhance texture, flavor, or color and prolong shelf life—but are they healthy?
Potatoes
Potatoes are a global favorite, but not all preparations are optimal for health.
Disease Prevention & Health
How nutrition impacts long-term health outcomes
Disease Prevention
Type 2 diabetes and heart disease strike at younger ages—prevention is in our power.
Stress and Health
The impacts of stress on eating patterns and health, and strategies to control it.
Mindful Eating
An approach to eating stemming from the broader practice of mindfulness.
Sustainability & Planet
How food choices affect the environment
Plate and the Planet
Different foods have differing impacts on our health and the environment. Learn about a "planetary health diet."
Sustainability
Explore how food production and our diets play a major role in sustainability.
Recipes & Kids
Healthy cooking and family nutrition
Recipes & Home Cooking
Healthy eating begins in the kitchen—recipes for every occasion.
Kid's Healthy Eating Plate
A visual guide to encourage children to eat well and keep moving.
Dietary Guidelines
Latest government nutrition guidance
Dietary Guidelines for Americans 2025-2030
Progress on added sugar, protein hype, and saturated fat contradictions.
Articles are authored by the Department of Nutrition at Harvard T.H. Chan School of Public Health. Partner'd Up curates these links for educational purposes and does not own the content.