Fueling Your Body: The Essential Guide to Balanced Nutrition

Written By:
Team VCC & Soul Health and Nutrition

Nutrition is all about how food and drinks provide the energy and essential nutrients our bodies need. But what do the numbers actually mean? In this blog, our nutritionist Zoe from Soul Health and Nutrition will break it down so you can start to understand the nutritional labels.

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Each person requires different amounts of energy depending on factors like age, gender, and body composition. However, good nutrition goes beyond calories alone, taking into account lifestyle factors such as sleep, stress, and activity levels.

Energy

We can measure or estimate the amount of energy our bodies use and how much energy is in foods and drinks. In nutrition, calories and kilojoules measure the amount of energy within foods and drinks.

For reference: 1 Calorie (Cal) = 4.182 Kilojoules (kJs)

In general, older people, women and shorter people need fewer kilojoules than those who are young, male, muscular and tall.

In the simplest form and for explanation purposes, energy balance occurs when energy in = energy out or calories in vs calories out. Consuming more calories than we burn = calorie surplus. Consuming less calories than we burn = calorie deficit.

However, we need to take a holistic, well rounded approach to the energy balance by investigating food intake, energy expenditure and lifestyle factors of each individual.

Macronutrients

Macronutrients are the essential nutrients our bodies require in substantial quantities to sustain vital bodily functions and perform daily activities. They consist of protein, fat, and carbohydrates, all of which contribute to your dietary energy intake by providing calories.

In contrast, micronutrients encompass vitamins and minerals, vital elements found in foods that are necessary for optimal health. By incorporating a balanced diet rich in fruits, vegetables, dairy products, proteins (or meat alternatives), and whole grains into your daily meals, you can ensure you meet your body's requirements for essential vitamins and minerals.

For most healthy individuals, supplementation of vitamins and minerals is unnecessary to maintain overall well-being. However, if supplementation is deemed necessary, it should be done under the supervision of a healthcare professional after thorough testing and evaluation.

Carbohydrates

Carbohydrates serve as the primary energy source for the human body, comprising carbon, hydrogen, and oxygen atoms that act as essential building blocks and provide readily available energy. There are two types of carbohydrates: simple and complex. Complex carbohydrates, in particular, offer sustained satiety.

In our diet, it's recommended that carbohydrates make up between 45-65% of our total daily energy intake. The quality of these carbohydrates is crucial for optimal performance; they are essential for the functioning of both our brains and muscles. Opting for complex and whole grain carbohydrates is important, with whole grain sources ideally constituting 50% of our daily carbohydrate intake.

Fibre, present in carbohydrate-rich sources such as grains, fruits, and vegetables, plays a vital role in various aspects of health. It aids in weight management, regulates blood glucose levels, bolsters the immune system against infections and diseases, and promotes regular bowel movements.

Protein

Proteins consist of amino acids, the fundamental building blocks that form polypeptides, also known as proteins. Among these amino acids, nine are considered essential, meaning they must be obtained from the foods we consume, while the body can produce the remaining eleven (nonessential).

In our diet, it's recommended to aim for a protein intake comprising 15-25% of our total daily energy intake.

Protein plays a vital role in various bodily functions: it aids in muscle contraction and repair, supports vision, boosts the immune system to combat infections, and contributes to the structural integrity of hair, bones, and skin.

Ensuring adequate protein consumption is essential for maintaining muscle strength and growth, facilitating cellular repair, and supporting numerous other physiological processes. Animal-based sources of protein are particularly beneficial as they provide all essential amino acids. Protein is the most satiating macronutrient, keeping you feeling fuller for longer.

Fat

Fats, also known as lipids, encompass triglycerides, phospholipids, and sterols. Among these, lipids, particularly phospholipids, play a crucial role in cell membrane structure and facilitate the movement of vitamins and hormones within cells, all while ensuring adequate storage within the bloodstream. Sterols, on the other hand, serve as essential components of numerous bodily compounds, including bile acids, sex hormones, adrenal hormones, vitamin D, and cholesterol.

In our dietary intake, it's recommended to allocate 20-35% of our total daily energy intake to fats from high-quality sources.

Emphasizing the consumption of healthy fats, such as unsaturated fatty acids (USFA) and monounsaturated fats, along with omega-3 and omega-6 polyunsaturated fats, is crucial. Foods rich in unsaturated fats include oily fish, legumes, olive oil, margarines, and walnuts.

Understanding the distinction between fat types is important: unsaturated fats remain liquid at room temperature (e.g., olive oil, canola oil, walnut oil, sunflower oil), while saturated fats are solid (e.g., coconut oil, butter, lard, palm oil). We should aim to limit our consumption of saturated fats.

Takeaway

Think of your body like a house. Macronutrients—proteins, fats, and carbohydrates—are the building blocks, like bricks and wood, that give structure and strength. Micronutrients, such as vitamins and minerals, are the wiring and plumbing that keep everything functioning smoothly behind the scenes. Just like a house needs regular maintenance and the right materials to remain strong, your body requires a balanced diet to keep you energized, healthy, and resilient. When you provide the right materials, your body becomes a sturdy, well-maintained home you can rely on.

After all, your body is the one house you'll live in forever, so it's worth investing in the right care and nourishment to keep it strong, resilient, and thriving for years to come.