Nutrition - World Health Organization (WHO)
Nutrition is a critical part of health and development. Better nutrition is related to improved infant, child and maternal health, stronger immune systems, safer pregnancy and childbirth, lower risk of non-communicable diseases (such as diabetes and cardiovascular disease), and longevity.

What Is Nutrition & The Essential Nutrients Your Body Needs
Nutrition is consuming enough nutrients to keep your body working like it should. Nutrients are chemical substances you get from food.

Nutrition - Wikipedia
Nutrition is the biochemical and physiological process by which an organism uses food and water to support its life.

Home • The Nutrition Source
Explore your favorite foods: History, nutrition, and cooking ideas. Protein is essential macronutrient, but not all food sources are created equal. Healthy eating begins in the kitchen, whether at home or another venue. A monthly e-newsletter with practical strategies for healthy living.

Healthy Eating Tips | Nutrition | CDC
Healthy eating emphasizes protein, dairy (without added sugars), vegetables, fruits, healthy fats, and whole grains. Protein options include eggs, poultry, seafood, red meat, beans, peas, lentils, legumes, nuts, seeds, and soy. Most people in the United States need to eat more nutrient-dense foods.

Nutrition - MedlinePlus
Good nutrition is about healthy eating. This means regularly choosing healthy foods and beverages. A healthy eating plan should give your body the energy and nutrients that you need every day. Nutrients include proteins, carbohydrates, fats, vitamins, minerals, and water.

Basic Nutrition
Get resources to help you eat a healthy diet with vegetables, fruits, protein, grains, and dairy foods. Find tips and resources for creating a healthy vegetarian eating plan that meets nutrient recommendations. Calculate your body mass index (BMI), plan menus, learn about food labels, play nutrition games and test your knowledge!

Nutrition: Importance and types of nutrients - Medical News Today
Nutrition is the study of food and how it affects the body. Here, learn about the components of nutrition, who the experts are, and what each nutrient does.

Nutrition | Definition, Importance, & Food | Britannica
Nutrition, the assimilation by living organisms of food materials that enable them to grow, maintain themselves, and reproduce. Food provides materials from which all the structural and catalytic components of the living cell can be assembled.