
Carbohydrates, or carbs, are one of the three macronutrients that give your body energy in the form of calories. Carbohydrates are not essential nutrients, and some people avoid eating them to lose weight. However, some carbohydrates are beneficial and can be included in a healthy diet. The number of carbohydrates a person consumes depends on various personal factors, such as age, sex, health, and activity levels. Generally, complex carbohydrates have greater nutritional benefits than simple carbohydrates, as they are less processed, digested more slowly, and are high in dietary fiber.
| Characteristics | Values |
|---|---|
| Carbohydrates provide energy for the body | True |
| Carbohydrates are one of the macronutrients | True |
| Carbohydrates are not essential nutrients | True |
| Carbohydrates are naturally found in certain foods | True |
| Examples of foods with carbohydrates | Grains, sweets, starches, legumes, dairy, vegetables, legumes, whole fruits, nuts, seeds, whole grains, etc. |
| Types of carbohydrates | Simple and complex carbohydrates |
| Simple carbohydrates are also referred to as | "Empty carbs", "refined", "bad" |
| Complex carbohydrates are also referred to as | "Whole", "good" |
| Complex carbohydrates have | Greater nutritional benefits than simple carbohydrates |
| Simple carbohydrates | Are digested faster than complex carbohydrates |
| Optimal carb intake | Depends on factors such as age, sex, health, activity levels, metabolic health, etc. |
| Low-carb diets | Usually contain fewer than 20 to 120 g of carbohydrates per day |
| Average carbohydrate intake | 45 to 65% of their calories from carbohydrates every day |
| Daily Value for total carbohydrates | 275 g per day (based on a 2,000-calorie daily diet) |
| Benefits of a low-carb diet | Can help lower blood sugar, lower blood pressure, reduce visceral fat |
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What You'll Learn

Benefits of low-carb diets
Carbohydrates are one of the macronutrients that give your body energy in the form of calories. The body does require some carbohydrates to function properly, but not all carbohydrates are equal. Whole grains, vegetables, fruits, and beans are better sources of carbohydrates than white bread, white rice, and those found in processed foods. Complex carbohydrates, such as fiber-rich fruits and vegetables, whole grains, and legumes, are better than simple carbohydrates, which are sometimes referred to as "empty carbs".
Low-carb diets usually contain fewer than 20 to 120 grams of carbohydrates per day, but optimal carb intake varies between individuals, depending on activity levels, metabolic health, and other factors. Low-carb diets are beneficial for weight loss, and they can also improve your health. They can help to lower blood sugar, which is important for people with diabetes, and they can also help lower blood pressure. Research has also shown that low-carb diets can reduce your appetite, boost weight loss, and lower triglycerides. In addition, low-carb diets can be beneficial in treating epilepsy in children and are being studied for their effects on other brain conditions, including Alzheimer's and Parkinson's disease.
Low-carb diets can also help to improve glycemic control, which needs to be balanced with impacts on non-glycemic outcomes such as LDL cholesterol, the microbiome, and inflammation. It is important to differentiate between low-carb and very-low-carbohydrate diets (VLCD). The latter are the most restrictive, generally containing fewer than 50 grams and often as few as 20 grams of total carbohydrates per day.
While low-carb diets can be beneficial, they may not be suitable for everyone. Some people may find that a low-carb diet helps them lose weight, while others may not see a substantial difference. It is important to consult with a doctor or dietitian before starting any new diet plan to ensure that you are getting the right nutrients.
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Recommended daily intake
The recommended daily intake of carbohydrates varies from person to person and depends on factors such as age, sex, health, weight goals, body size, and activity levels. On average, people should get 45 to 65% of their calories from carbohydrates every day. This equates to 275 grams of carbohydrates per day for someone on a 2,000-calorie diet. However, this number may be higher or lower depending on an individual's unique calorie needs and health status.
Low-carb diets typically include fewer than 20 to 150 grams of carbohydrates per day. While these diets can be effective for weight loss and improving health, they may not be suitable for everyone. It is important to consult with a healthcare professional before starting a low-carb diet, as they can be challenging to maintain and may not provide all the necessary nutrients.
When choosing carbohydrate sources, it is recommended to opt for complex carbohydrates, such as whole grains, vegetables, fruits, legumes, and beans. These foods are less processed, higher in dietary fiber, and provide the body with a slower release of energy compared to simple carbohydrates. Complex carbohydrates also offer additional nutrients and help promote feelings of fullness, which can aid in weight management.
Simple carbohydrates, often referred to as "refined" or "empty carbs," have been stripped of their natural fiber content. They are quickly digested and commonly found in processed foods, including juices, pastries, white bread, and baked goods. While simple carbohydrates provide the body with energy, they offer little nutritional value and are often associated with weight gain and an increased risk of diabetes when consumed in excess. Therefore, it is recommended to limit the intake of simple carbohydrates and choose complex carbohydrate sources whenever possible.
For individuals with diabetes, managing carbohydrate intake is crucial for controlling blood sugar levels. Counting carbohydrates can be an effective tool for diabetes management when paired with the appropriate treatment plan. Consulting with a registered dietitian or diabetes specialist can help determine the best approach to carbohydrate counting and create a personalised eating plan that addresses individual medication and lifestyle needs.
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Simple vs complex carbohydrates
Carbohydrates are a major macronutrient and one of the body's primary sources of energy. They provide essential nutrients and are one of the main sources of calories. The type of carbohydrates you eat can impact your health.
Simple carbohydrates, sometimes referred to as "empty carbs", are quickly digested and absorbed by the body, leading to a spike in blood sugar levels. They are often added to processed and prepared foods in the form of refined sugars and sweeteners. Natural sugars like those found in milk and fresh fruits are also simple carbohydrates. However, they are distinct from added sugars commonly found in sweets, canned fruit, juice, and soda. Simple carbohydrates have little nutritional value and are not necessary for survival.
On the other hand, complex carbohydrates are less processed, high in dietary fiber, and take longer to digest and absorb. This results in stable blood sugar levels and an extended feeling of fullness. Complex carbohydrates are found in plant-based foods like fruits, vegetables, legumes, and whole-grain products. They are also a source of vitamins and minerals. Examples of complex carbohydrates include apples, berries, bananas, brown rice, oatmeal, whole-wheat bread, and pasta.
It is recommended to choose mostly nutrient-dense complex carbohydrates and consume simple carbohydrates in moderation. Complex carbohydrates are key to long-term health and can help maintain a healthy weight. They can also reduce the risk of type 2 diabetes and cardiovascular problems. However, it is important to note that individual carbohydrate requirements vary depending on age, sex, activity level, and overall health.
While reducing carbohydrates can be an effective way to lose weight and improve health, it is not advisable to cut them out completely. Carbohydrates are necessary for the body to function properly, and eliminating them can lead to nutritional deficiencies. Instead, the focus should be on choosing healthy, fiber-rich carb sources and consulting a healthcare provider for personalized nutrition recommendations.
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Carbohydrates and diabetes
Carbohydrates are one of the body's main sources of energy. When you eat or drink foods that contain carbohydrates, your body breaks them down into glucose (a type of sugar), which then raises your blood glucose level. This is also known as blood sugar.
There are two main types of carbohydrates: complex and simple. Complex carbohydrates are less processed, more slowly digested, and high in dietary fibre. Simple carbohydrates, on the other hand, are more quickly digested and often added to processed and prepared foods in the form of refined sugars and sweeteners. While the body does require some carbohydrates, it is not necessary to consume sugary foods to meet this need.
When it comes to diabetes, the carbohydrates you eat play a crucial role. Controlling blood sugar is essential for managing diabetes. If you have diabetes, your metabolism can no longer handle sugar, which can become almost like poison to your body. Lowering your carbohydrate intake from starchy and sugary foods can help reduce your need for insulin and diabetes medications, as well as promote weight loss. This is because when there is insufficient insulin to process glucose, or when cells do not effectively react to insulin, the extra glucose is stored as fat. This can lead to weight gain and further complications in managing blood sugar levels.
To manage diabetes effectively, it is important to choose nutrient-dense carbohydrates that are rich in fibre, vitamins, and minerals, while being low in added sugars, sodium, and unhealthy fats. Non-starchy, fibre-rich, and whole foods such as vegetables, fruits, whole grains, legumes, nuts, and seeds are recommended. These complex carbohydrates provide the body with carbohydrates that can be used for energy, along with other essential nutrients. They are also digested more slowly, allowing you to feel full for longer, which can aid in weight control.
It is also advised to limit your consumption of simple carbohydrates found in desserts, juices, smoothies, sodas, sports drinks, sweetened coffees, and teas. These liquid carbohydrates are rapidly absorbed into the bloodstream and can quickly raise blood sugar levels. Additionally, alcohol can interfere with blood sugar control, so it is recommended to use it with caution and avoid drinking on an empty stomach.
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Healthy sources of carbohydrates
Carbohydrates are one of the macronutrients, which are the compounds that give your body energy in the form of calories. The body requires carbohydrates to function properly. However, the amount of carbohydrates in a diet varies from person to person, depending on factors like their activity levels, metabolic health, age, sex, and overall health.
There are two main types of carbohydrates: complex and simple. Complex carbohydrates are less processed, more slowly digested, and high in dietary fiber. Simple carbohydrates, on the other hand, are more quickly digested and often added to processed and prepared foods in the form of refined sugars and sweeteners. Complex carbohydrates have greater nutritional benefits than simple carbohydrates, which are sometimes referred to as "empty carbs".
Healthy sources of complex carbohydrates include:
- Whole grains: These include brown rice, wild rice, buckwheat, millet, quinoa, farro, bulgur wheat, barley, and oats.
- Fruits and vegetables: Fiber-rich fruits and vegetables are a good source of complex carbohydrates. Examples include sweet potatoes, bananas, and beets.
- Legumes: Beans, chickpeas, and other legumes are a good source of slowly digested carbohydrates and protein.
It is important to choose carbs with fiber and nutrients and to watch your portion sizes. Carbohydrates from natural sources like fruits and vegetables are generally healthier than those from processed sources like white bread, pastries, and sodas.
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Frequently asked questions
There is no one-size-fits-all answer to this question. The amount of carbohydrates you need depends on factors such as your age, sex, health, and weight goals. On average, people should get 45 to 65% of their calories from carbohydrates every day. However, some sources recommend a range of 40% to 75%.
Good sources of carbohydrates include whole grains, vegetables, fruits, and beans. These are considered complex carbohydrates, which are less processed, high in dietary fibre, and provide the body with energy.
No, not all carbohydrates are the same. Carbohydrates can be classified as simple or complex. Simple carbohydrates, sometimes referred to as "empty carbs," are found in processed foods and added sugars. They are quickly digested and can lead to weight gain and diabetes. Complex carbohydrates, on the other hand, are high in fibre and provide the body with energy and other essential nutrients.











































