Leena Watts
A balanced diet is essential for maintaining good health and preventing diseases, infections, and fatigue. National guidelines for a balanced diet aim to provide recommendations on what to eat and drink to meet nutrient needs, promote health, and reduce the risk of developing chronic illnesses. These guidelines are based on scientific research and are tailored to different age groups, lifestyles, and cultural contexts. They emphasize the importance of consuming a variety of nutrient-dense foods, including fruits, vegetables, grains, protein sources, and dairy, while limiting the intake of unhealthy fats, added sugars, and excessive sodium. Additionally, national guidelines encourage culinary skills, portion control, and education about nutrition to empower individuals to make informed dietary choices and maintain a balanced diet.
| Characteristics | Values |
|---|---|
| Energy intake | Should be balanced with energy expenditure |
| Total fat | Should not exceed 30% of total energy intake |
| Saturated fat | Less than 10% of total energy intake |
| Trans fat | Less than 1% of total energy intake |
| Free sugars | Less than 10% of total energy intake; further reduction to less than 5% suggested for additional health benefits |
| Nutrient-dense foods | Include a variety of nutrient-dense foods and beverages within and among the basic food groups |
| Limit intake of | Saturated and trans fats, cholesterol, added sugars, salt, and alcohol |
| Vitamin B12 | Women of childbearing age who may become pregnant should consume vitamin B12 in its crystalline form |
| Iron | Women of childbearing age who may become pregnant should eat foods high in heme iron and/or consume iron-rich plant foods or iron-fortified foods with an enhancer of iron absorption, such as vitamin C-rich foods |
| Sodium | Reduce daily sodium intake to less than 2,300 mg; further reduce intake to 1,500 mg among persons who are 51 and older and those of any age who are African American or have hypertension, diabetes, or chronic kidney disease |
| Calories | The average person needs about 2,000 calories every day to maintain their weight, but this depends on age, sex, and physical activity level |
| Food groups | Fruits, vegetables, dairy, grains, and protein |
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What You'll Learn
Eat a variety of foods
Eating a variety of foods is an essential part of maintaining a balanced diet. This means consuming a diverse range of nutrient-dense foods and beverages from the basic food groups. These include fruits, vegetables, grains, protein, and dairy. By including a variety of foods from these groups, you can ensure your body receives the full range of nutrients it needs to function effectively.
Firstly, fruits and vegetables are a vital component of a varied diet. Aim to make half of your plate fruits and vegetables when eating a meal. Focus on whole fruits and vary your choice of vegetables to maximise the different nutrients you consume.
Secondly, choose a variety of grains, especially whole grains. Whole grains provide more fibre and nutrients than refined grains. Examples of whole grains include whole wheat, brown rice, oats, quinoa, and barley.
Thirdly, vary your protein sources. Protein is essential for maintaining and building body tissue, and it can be found in both animal and plant-based sources. Animal sources include meat, eggs, and fish, while plant-based sources include beans, nuts, and legumes. By including a variety of protein sources in your diet, you can ensure you are getting sufficient amounts of this vital nutrient.
Lastly, include different types of dairy in your diet. Dairy products provide calcium, protein, and other essential nutrients. If you are lactose intolerant or prefer plant-based options, there are also lactose-free, fortified soy, and nut-based alternatives that can provide similar nutritional benefits.
By eating a variety of foods from these different food groups, you can ensure your body receives the diverse range of nutrients it needs to stay healthy and function properly.
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Balance food intake with physical activity
A balanced diet is one that gives your body the nutrients it needs to function correctly. The number of calories in a food refers to the amount of energy stored in that food. Your body uses calories from food for walking, thinking, breathing, and other important functions. The average person needs about 2,000 calories every day to maintain their weight, but this depends on their age, sex, and physical activity level. Males tend to need more calories than females, and people who exercise require more calories than those who don't.
To avoid unhealthy weight gain, total fat should not exceed 30% of total energy intake. Intake of saturated fats should be less than 10% of total energy intake, and trans-fats should be less than 1%. It is recommended to shift consumption from saturated fats and trans-fats to unsaturated fats. Limiting free sugar intake to less than 10% of total energy intake is advised, with a further reduction to 5% for additional health benefits.
Balancing food intake with physical activity is crucial to maintaining a healthy weight. The Dietary Guidelines for Americans recommend being physically active every day and choosing a diet that can be supported by your level of physical activity. For those who are overweight or obese, consuming fewer calories and increasing physical activity is essential for weight management.
Governments play a central role in fostering a healthy food environment, enabling people to adopt and maintain healthy dietary practices. This includes encouraging catering outlets to improve the nutritional quality of their foods and ensuring the availability and affordability of healthy options. Educating children, adolescents, and adults about nutrition and healthy dietary practices is also vital.
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Consume nutrient-dense foods
Consuming a variety of nutrient-dense foods and beverages is essential for maintaining a balanced diet and meeting your nutrient needs. Nutrient-dense foods provide a high amount of nutrients relative to their calorie content, ensuring your body receives the nourishment it requires to function effectively. Here are some guidelines to help you include more nutrient-dense foods in your diet:
Firstly, focus on including a variety of whole fruits and vegetables. These are excellent sources of essential vitamins, minerals, and fibre. Aim to make half of your plate fruits and vegetables when preparing meals. Additionally, opt for whole grains over refined grain products. Whole grains, such as brown rice, whole wheat bread, and oats, are rich in vitamins, minerals, and fibre, which are stripped from refined grains during processing.
Secondly, ensure you are consuming adequate protein. Include a variety of protein sources such as meat, eggs, fish, beans, nuts, and legumes in your diet. If you follow a vegan diet, focus on plant-based sources of protein like tofu and beans. Dairy is another important nutrient-dense food group. Choose low-fat or fat-free dairy options like milk or yoghurt, or opt for lactose-free or fortified soy alternatives if you are intolerant to dairy.
Lastly, be mindful of your fat, sugar, and salt intake. While some fats are essential for a balanced diet, such as unsaturated fats found in olive oil, it is important to limit your consumption of saturated fats and avoid trans fats. Reduce your intake of processed foods, as they tend to be high in these unhealthy fats, as well as added sugars and salt. Instead, opt for home-cooked meals prepared with whole foods, and limit your consumption of added sugars and salt when cooking.
By following these guidelines and including a variety of nutrient-dense foods in your diet, you can ensure your body receives the nourishment it needs to promote overall health and reduce the risk of chronic diseases.
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Limit saturated fats, cholesterol, salt, and alcohol
A balanced diet is one that gives your body the nutrients it needs to function correctly. The number of calories in a food refers to the energy stored in it, which your body uses for various functions. The average person needs about 2,000 calories every day to maintain their weight, but this depends on age, sex, and physical activity level.
To maintain a balanced diet, it is important to limit the intake of saturated fats, cholesterol, salt, and alcohol. Saturated fats should make up less than 10% of total energy intake, with a shift towards unsaturated fats. Trans fats, on the other hand, should be avoided as they are associated with an increased risk of cardiovascular disease.
Cholesterol, salt, and alcohol should also be limited. High cholesterol levels can be caused by consuming too much saturated fat, so it is important to monitor this. Salt, or sodium, should be limited to less than 2,300 mg per day for most people, and further reduced to 1,500 mg for those over 51 or with certain health conditions. Alcohol should be consumed in moderation, as per dietary guidelines.
It is important to note that the sources of your calories matter. Foods that are high in calories but offer little nutrition, known as "empty calories", should be eaten sparingly. This includes deep-fried foods, which are typically high in calories but low in nutritional value.
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Choose healthy food environments
Choosing healthy food environments is essential for maintaining a balanced diet and promoting overall health. Here are some detailed guidelines to help you make informed choices:
Firstly, it's important to understand the role of governments and policymakers in creating healthy food environments. They can incentivize the production and sale of fresh fruits and vegetables, encouraging a shift towards a more diversified and nutritious food system. Additionally, policies can be implemented to discourage the production and consumption of processed foods high in saturated fats, trans fats, free sugars, and sodium. These policies can also promote accurate nutrition labelling and portion control in catering outlets, making it easier for individuals to make healthier choices.
Educational institutions play a pivotal role in fostering healthy dietary practices from an early age. Schools can develop policies and programmes that educate children and adolescents about nutrition and encourage them to adopt healthy eating habits. This includes teaching culinary skills and promoting the benefits of a well-balanced diet, which can help prevent obesity and reduce the risk of developing non-communicable diseases later in life.
To create healthy food environments, it's essential to encourage consumer demand for nutritious foods and meals. This can be achieved by providing accessible information about nutrition, such as through point-of-sale labelling that is accurate, standardized, and easy to understand. Consumers can be empowered to make informed choices by understanding the nutritional content of their food options. Additionally, promoting culinary skills and sharing recipes that include a variety of nutrient-dense foods can make healthy eating more approachable and enjoyable.
Lastly, when choosing a healthy food environment, consider the specific needs of different population groups. For example, women of childbearing age should focus on consuming foods high in heme iron or iron-rich plant foods to prevent iron deficiency. Similarly, people over 50 or those with specific health conditions may need to further reduce their sodium intake to maintain a balanced diet. By recognizing these nuances, individuals can tailor their food environments to meet their unique nutritional requirements.
In conclusion, creating healthy food environments involves a collective effort from governments, policymakers, educational institutions, and consumers. By encouraging the production and consumption of nutritious foods, educating about nutrition and healthy practices, and tailoring dietary choices to specific needs, individuals can make informed decisions that support their overall health and well-being.
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Frequently asked questions
A balanced diet is one that gives your body the nutrients it needs to function correctly. It will include fruits, vegetables, grains, protein, and dairy.
National guidelines for a balanced diet vary from country to country. In the US, the Dietary Guidelines for Americans are published by the Department of Health and Human Services and the USDA. The most recent edition covers 2020-2025 and is the first to provide guidance by life stage, from birth to older adulthood. The guidelines can be downloaded for free from the DietaryGuidelines.gov website.
The foods you eat will depend on your dietary needs, preferences, cultural traditions, and budget. Most people should eat a variety of nutrient-dense foods, including fruits, vegetables, grains, protein, and dairy. Aim to eat whole foods and avoid processed foods that are high in calories and low in nutritional value.
Foods to limit or avoid include saturated fats, trans fats, cholesterol, added sugars, salt, and alcohol.
