What is nutrient? Expert please help me Share with your friends Share 1 Gursimran Singh answered this The process of intake of food in our body to perform various vital activties. OR The mode of taking food by an organism and its utilisation by the body. 3 View Full Answer 💖 Rachna 💖 answered this Dear student, Nutrient is a substance that is needed to keep a living thing alive and to help it grow. Regard 1 Gursimran Singh answered this Nutrient are essential for a person to live .The component of food like carbohydrates ,fats,vitamins,minerals and proteins are called nutrients. 3 Rohit answered this a substance that is needed to keep a living thing alive and to help it grow 1