Energy (RI: 2,000 kcal)
Calories are a measure of how much energy food and drink products contain. The energy a food delivers depends on the nutrients it contains.
A gram of carbohydrates has four calories as does a gram of protein. One gram
of fat contains nine calories and a gram of alcohol has seven calories.
Eating too little energy'can be equally bad for health as it can mean the body
isn't
getting enough nutrients, which can be bad for health.
The Reference Intake for energy is 2,000 calories, which is based on UK
government recommendations and is considered by experts as being an appropriate
value
for adults.