Leena Watts
A balanced diet is essential for maintaining good health and providing the body with the nutrients it needs to function effectively. It includes a variety of foods from different food groups, such as fruits, vegetables, proteins, whole grains, dairy or dairy alternatives, and healthy fats. Fruits and vegetables are rich in vitamins, minerals, fibre, and antioxidants, while proteins such as meat, fish, eggs, and plant-based sources like tofu and beans provide essential amino acids. Whole grains offer fibre and vitamins, dairy provides calcium for bone health, and healthy fats like unsaturated oils are beneficial in moderation. A balanced diet also involves limiting intake of sugars, salt, and unhealthy fats, which can have negative health impacts. The specific needs and proportions of these food groups may vary based on individual factors, and it is always important to consult a healthcare professional for personalized advice.
| Characteristics | Values |
|---|---|
| Nutrients | Vitamins, minerals, fibre, protein, antioxidants |
| Fruit and vegetables | At least 5 portions a day, fresh, frozen, canned, dried or juiced |
| Starchy foods | Potatoes, bread, rice, pasta |
| Dairy | Milk, cheese, yoghurt |
| Protein | Meat, eggs, fish, beans, nuts, legumes, tofu, tempeh, soy-based products |
| Fats | Unsaturated fats, such as vegetable oils (olive, soy, sunflower, canola, corn, peanut) |
| Fluids | 6-8 glasses of water a day |
| Sugar | Less than 10% of total energy intake |
| Salt | Less than 5g per day |
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What You'll Learn
Eat fruits and vegetables
Eating fruits and vegetables is essential for a balanced diet. They are a good source of vitamins, minerals, fibre, and antioxidants. Aim to eat at least 5 portions of a variety of fruits and vegetables every day. This can include fresh, frozen, canned, dried, or juiced produce.
Fruits and vegetables are high in natural sugars, but they also contain fibre and other nutrients, making them a healthier option than candies and sweet desserts. They can help boost the body's supply of essential vitamins and minerals, as well as provide antioxidants that can help protect against certain types of cancer, lower the risk of heart disease and stroke, and have a positive effect on blood sugar.
Dark, leafy greens are an excellent source of many nutrients and can be easily incorporated into meals. Local, seasonal vegetables are often reasonably priced and simple to prepare. Potatoes, bananas, and avocados are good sources of potassium, which can help lower blood pressure.
When it comes to fruits, keep in mind that your fruit needs may vary depending on your age, sex, height, weight, and physical activity level. In general, aim for a variety of colours and types of fruits to ensure you're getting a mix of nutrients. For example, oranges and orange juice are rich in flavones, a type of flavonoid that has been linked to improved brain health.
Finally, remember that fruits and vegetables can be a tasty and nutritious snack or dessert, helping to satisfy your sweet tooth while also providing essential nutrients for your body.
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Consume protein
Consuming protein is essential for a balanced diet. Protein is one of the three major "macronutrients", along with carbohydrates and fats. It is a building block of every human cell and is involved in vital biochemical functions of the human body. It is particularly important for growth, development, and tissue repair.
Protein can be found in a variety of sources, including meat, eggs, fish, beans, nuts, and legumes. For those following a vegan diet, tofu, tempeh, and other soy-based products are excellent sources of protein. These plant-based proteins provide similar nutrients to those found in animal products. Pulses, including beans, peas, and lentils, are naturally very low in fat, high in fibre, protein, vitamins, and minerals. Nuts are also a good source of protein and make for a healthy snack, but they are high in fat, so they should be eaten in moderation.
The recommended daily intake of protein varies depending on the source. The Dietary Guidelines for Americans 2020 to 2025 recommends adult females consume at least 46 grams of protein per day, while adult males are recommended to consume 56 grams. However, some experts suggest that these recommendations are too low and that consuming more protein can be beneficial. Active people, especially those trying to build muscle mass, may need more protein in their diets. According to the National Kidney Foundation, a low-protein diet is only recommended for people with chronic kidney disease who are not on dialysis.
Consuming a high-protein diet can aid in weight loss and help manage hunger and cravings. Protein has been found to reduce levels of ghrelin, also known as the "hunger" hormone. It can also help strengthen bones and support the body's healing process after injuries.
It is important to note that while protein is essential, consuming too much can have negative consequences. People who eat very high-protein diets may have a higher risk of kidney stones, heart disease, and colon cancer, especially if their diet includes large amounts of red meat and saturated fat. Therefore, it is recommended to focus on the type of protein and choose healthier sources, such as salmon, yogurt, or beans.
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Choose healthy fats
A balanced diet is essential for the body to work effectively and to prevent diseases, infections, and fatigue. While fat has traditionally been associated with negative health outcomes, not all fats are bad. In fact, some fats are essential for energy and cell health, and for the body to absorb vitamins.
When choosing healthy fats, it is important to opt for unsaturated fats, such as polyunsaturated and monounsaturated fats, and omega-3 fatty acids. These fats are known to promote heart and overall health, and can help lower the risk of heart disease, lower bad LDL cholesterol, and prevent abnormal heart rhythms.
- Nuts: Nuts are a good source of healthy fats, protein, dietary fibre, and various vitamins and minerals. Enjoy a small handful of unsalted nuts as a snack or add them to salads or other dishes. Just remember to practice portion control as nuts are calorie-dense.
- Oils: Use liquid vegetable oils such as olive, canola, soy, corn, sunflower, and peanut oils for cooking and baking instead of solid fats like butter. These oils are rich in heart-healthy unsaturated fats. You can also use them to dress salads or roasted vegetables.
- Avocado: Avocados are a great source of monounsaturated fat, dietary fibre, potassium, and vitamins. Add avocado to salads, sandwiches, eggs, or spread it on toast.
- Peanut Butter: Peanut butter contains monounsaturated fat, so be sure to mix in the natural oils rather than pouring them off.
- Fatty Fish: Include fatty fish high in omega-3 fats, such as salmon, mackerel, herring, sardines, and trout, in your diet at least twice a week. These fish are also a good source of protein.
- Walnuts: Walnuts are a plant-based source of omega-3 fatty acids. Add them to cereals, salads, or baked goods, or use walnut oil in salad dressings.
- Flaxseed: Ground flaxseed provides omega-3-containing oil, so add it to breakfast cereal, yogurt, or baked goods. You can also use flaxseed oil for salad dressing.
- Chia Seeds: Chia seeds are packed with omega-3s, protein, dietary fibre, vitamins, and minerals. Sprinkle them on your cereal, salads, or baked goods.
- Hemp Seeds: Hemp seeds are another seed option that contains omega-3s and protein. They can be eaten raw, cooked, or toasted.
- Eggs: Opt for eggs from chickens fed a diet high in omega-3s, and include them in your meals a few times a week.
Remember, when making dietary changes, it is always a good idea to consult with a healthcare professional or a registered dietitian to ensure your individual needs are met.
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Drink water
Water is a vital nutrient for the body. It is needed for most body functions, including maintaining the health and integrity of cells, keeping the bloodstream fluid enough to flow through blood vessels, regulating body temperature, lubricating joints, aiding digestion, moisturising the skin, and carrying nutrients and oxygen to cells.
Drinking water helps the body get rid of excess sodium, which results in less fluid retention. If the body does not receive enough water, it will retain fluid. Water also helps to reduce the risk of urinary tract infections by keeping the bladder clear of bacteria.
The amount of water needed each day depends on several factors, such as diet and activity levels. It is recommended to drink plenty of water, and it is preferable that the majority of fluid intake is from plain water. However, it is important to note that some people may need less fluid, especially if they eat a lot of high-water content foods like fruits and vegetables. Those on a high-protein diet, for example, will need to increase their fluid intake to help their kidneys process the extra protein.
It is important to limit or avoid sugary drinks, as they can contribute to weight gain, tooth decay, and reduced bone strength. These drinks also provide additional energy without any essential nutrients. Instead of sugary drinks, try sparkling water or add a slice of lemon or lime to your water. Unsweetened plant-based drinks are also a good option.
In addition to providing hydration, drinking tap water in some areas can offer the added benefit of fluoride, which helps prevent dental decay.
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Limit sugar and salt
A balanced diet is one that supplies the body with the nutrients it needs to function effectively. A healthy, balanced diet will usually include fruits, vegetables, protein, dairy or dairy alternatives, beans, pulses, eggs, meat, and other sources of protein, as well as unsaturated oils and spreads.
Sugar and salt are two components of a diet that should be limited. This is because a diet high in added sugar is associated with many chronic health conditions, including cancer, type 2 diabetes, heart disease, and obesity. Similarly, a high-salt diet can lead to high blood pressure.
Limiting Sugar
Sugar is often added to food and drinks to enhance their taste, but excessive consumption of sugar can have detrimental effects on health. It is important to limit the obvious sources of sugar in your diet, such as desserts, sodas, sweetened teas, sports drinks, energy drinks, and sweetened juices. Many drinks that are perceived as healthy, such as smoothies and fruit juices, can still contain high amounts of added sugar. For example, a cup of cranberry juice cocktail contains more than 7 teaspoons of sugar.
To reduce your sugar intake, you can make small changes such as swapping sugary drinks for water, sugar-free drinks, or lower-fat milk. If you take sugar in tea or coffee, gradually reduce the amount until you can cut it out altogether, or try swapping to sweeteners. You can also try herbal teas or make your own infused drinks with hot water and a slice of lemon or ginger.
When eating cereals, try switching to lower-sugar options or those with no added sugar, such as porridge oats, which are cheap and contain vitamins, minerals, and fibre. If you usually add sugar to your porridge, try adding some chopped fruit instead. Many condiments and sauces, such as ketchup, can also be high in sugar, so it is important to read product labels to become more aware of the sugar content in your food.
Limiting Salt
Similarly, to sugar, salt is often added to processed foods to enhance their taste. It is recommended to reduce the consumption of processed supermarket, canteen, restaurant, and fast food to cut down on salt intake. You can also remove salt from your cooking and opt for low-salt recipes.
The Dietary Approaches to Stop Hypertension (DASH) study revealed that a diet low in saturated fat and cholesterol but high in protein, carbohydrate, potassium, calcium, and magnesium resulted in reduced blood pressure when compared with a representative average Western diet. When the DASH diet was combined with a lower sodium intake, the reduction in blood pressure was even more significant.
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Frequently asked questions
Meat, eggs, fish, beans, nuts, and legumes are all good sources of protein. Tofu, tempeh, and other soy-based products are excellent sources of protein and are good alternatives to meat.
Fruits and vegetables are a good source of vitamins and minerals. Dairy products are also a source of essential nutrients, including calcium, which helps keep your bones healthy.
Nuts are a good source of healthy fats, but they should be eaten in moderation due to their high-fat content. Healthy plant oils, such as olive, canola, soy, corn, sunflower, and peanut oils, are also a good source of healthy fats.
Pulses, including beans, peas, and lentils, are naturally very low in fat and high in fibre. Whole grain varieties of starchy foods, such as brown rice and whole wheat pasta, also contain more fibre than their white counterparts.
Dairy products, such as milk, cheese, and yogurt, are good sources of calcium. For those following a vegan diet, dairy-free milk alternatives, such as soy drinks, are often fortified with calcium and other nutrients.
