What is Nutrition? [The Final Answer]

We all eat food. But did you ever think why?

Why can’t we survive without food?

Because we need nutrition to survive and by eating proper food we get the appropriate nutrition.

But what is nutrition?

In this article I will tell you what is the meaning of nutrition in a simple language and some frequently asked questions.

Table of Contents

What is Nutrition?

According to WHO, nutrition is a critical part of our health and development (1).

According to MedicineNet, nutrition is the process of taking food for growth, metabolism, and repair (2).

If you take my word,

Nutrition is a biological process of consuming foods to fulfill the dietary needs of your body.

Let me elaborate a little bit.

Our microscopic cells need even smaller components to live and perform their function. Most of these components come from the food we eat.

The process we use to get those components from food is called nutrition.

Our body needs nutrition to carry out different functions like,

  • Fulfill our energy needs
  • Form and maintain our body structure
  • Regulate different metabolic processes
  • Prevent nutrition-related diseases.

Also Read: You can check out the detailed post about the importance of nutrition.

(Let’s continue)

Certain diet can often prevent many common diseases and their symptoms (3). For this reason, nutritional science tries to understand what are the specific dietary aspects that influence health.

The goal of nutrition is to ensure that our body has all the components, which come from food, necessary to keep our body in optimal health.

There is another meaning of nutrition, which is,

Nutrition also refers to studying the relationship between food and health (diseases) to seek the well-being and preservation of human health. (4)


What is the basic definition of Nutrition?

Different organizations define nutrition in different ways, but the meaning is the same. However, the best nutrition definition according to NutritionCrown: Nutrition is a biological process of consuming foods to fulfill the dietary needs of your body.

Who discovered Nutrition?

Antoine Lavoisier, in full Antoine-Laurent Lavoisier, a prominent french chemist was discovered nutrition. In 1770, he discovered the concept of metabolism, the transfer of food and oxygen in the body, and energy production.

Who is the father of Nutrition?

Antoine Lavoisier (1743-1794), in full Antoine-Laurent Lavoisier, a prominent french chemist, is considered the father of nutrition. In 1770, he discovered the concept of metabolism, the transfer of food and oxygen in the body, and energy production. He was also the father of calorimetry.

Who is the Father of Nutrition in India?

Coluthur Gopalan (1918-2019), an Indian Nutritionist, is considered the father of nutrition research in India. He was responsible for different programs on anemia control, goiter prevention, Vitamin A supplementation, and the mid-day meal.

Who was the First Nutritionist?

Adelle Davis (1904-1974), an American nutritionist, is considered the first well-known nutritionist. She was an advocate for improved health through better nutrition. She is known for her famous quote on nutrition “Eat breakfast like a king, lunch like a prince, and dinner like a pauper.”


This article is written by certified nutritionist and verified by scientific evidence. We relies on reputed and specialized media sites, academic research institutions, peer-reviewed studies, government agencies, and medical associations to source information. We avoid using tertiary references. Know more about how we ensure our content is accurate and current by reading our editorial policy.

  1. Nutrition. World Health Organization. https://www.who.int/health-topics/nutrition. Accessed April 10, 2021.
  2. Davis CP. Medical Definition of Nutrition. MedicineNet. https://www.medicinenet.com/nutrition/definition.htm. Published March 29, 2021. Accessed April 10, 2021.
  3. Bennett BJ, Hall KD, Hu FB, McCartney AL, Roberto C. Nutrition and the science of disease prevention: a systems approach to support metabolic health. Ann N Y Acad Sci. 2015;1352:1-12. doi:10.1111/nyas.12945
  4. Definitions of Health Terms: Nutrition. MedlinePlus. https://medlineplus.gov/definitions/nutritiondefinitions.html. Published May 8, 2019. Accessed April 10, 2021.

A. R. Choudhury is a certified nutritionist, author, and blogger with a passion for evidence-based nutrition. He completed "Stanford Introduction to Food and Health" certificate course by Stanford University from Coursera Inc. He received his master's degree in biochemistry from The University of Burdwan. Abdur Rahman Choudhury aka A. R. Choudhury is also a fitness enthusiast and a coffee lover.

Leave a Comment