What is a healthy diet?

The Australian Dietry Guidelines

Food GroupWomen (aged 19 – 50)Men (aged 9 – 50)
Vegetables and legumes5 serves per day6 serves per day
Fruit2 serves per day2 serves per day
Cereals and staples6 serves per day6 serves per day
Protein from lean meat, fish, poultry, eggs, nuts, seeds, legumes and beans2.5 serves per day3 serves per day
Dairy or dairy alternatives2.5 serves per day2.5 serves per day

In addition to this the guidelines state to use small amounts of added fats and limit processed foods and beverages to occasional intake and in small servings.


The World Health Organisation (WHO) aims to provide guidelines to support good health and monitor health trends. WHO provides evidence based recommendations that are applicable worldwide taking into account availability, food culture and economy (Saluja et al, 2022). Table 2 shows the WHO recommendations for individuals aged 10 and over based on a daily intake of 2,000 calories.

Food GroupWHO Recommendation for daily intake 
Carbohydrates from fruits, vegetables, whole grains and pulses45 – 75%  25 grams of fibre 400 grams, combined, of fruit and vegetables
Proteins10-15%
Fats15-30% Focus on unsaturated fats (fish, avocado, nuts and sunflower, canola, soybean and olive oil. Less than 10% from saturated fats (animal fats) Less than 1% from trans fats (found in processed foods as chemically altered fats used mainly to extend shelf life or stabilise the texture of a food item.
SaltLess than 5 grams
Sugar Less than 50 grams (12 teaspoons) of added sugar