What are macro nutrients and why are they called macronutrients?

Macronutrients are nutrients that organisms need in large amounts to support growth, development, and energy production. The prefix “macro-” means large, highlighting their higher requirement compared to micronutrients, which are needed only in small quantities.

For Humans

Examples: The main macronutrients are carbohydrates, proteins, and fats.

Function: These nutrients provide energy (calories), build and repair tissues, and support essential metabolic activities. Water is also considered a macronutrient because it is required in large quantities for maintaining bodily functions.

Other Examples: Calcium, sodium, and magnesium are sometimes classified as macronutrients since the body needs them in relatively large amounts compared to trace minerals.

For Plants

Examples: The primary macronutrients are carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), and potassium (K).

Function: These elements are vital for photosynthesis, cellular structure, and overall plant growth and metabolism.

Other Examples: Calcium, magnesium, and sulfur are also key macronutrients required in significant quantities for healthy plant development.