Calories

are the preferred energy measure in most countries, while kilojoules are used

mainly in the US

Kilojoules

and calories both measure energy; 1 calorie equals approximately 4.2 kilojoules

Calories

measure energy, while kilojoules measure weight

Foods

with high energy density always have high nutrient density

Energy

density refers to the amount of energy (kilojoules or calories) per gram of

food, while nutrient density refers to the amount of essential nutrients (like

protein, vitamins, and minerals) relative to the energy content of the food

Nutrient

density only applies to fats and carbohydrates

Energy

density is how many nutrients a food has, while nutrient density is how many

calories it contains

A

balanced nutrient intake

Only

over-nutrition (getting too many nutrients)

Both

undernutrition and over-nutrition

Only

undernutrition (not getting enough nutrients)