
Carbohydrates are a key source of energy for bodybuilders, fuelling workouts and providing the body with the fuel it needs to build muscle. The percentage of a diet made up of carbohydrates is a key consideration for bodybuilders, with a high-carb diet being popular during the bulking phase. Carbohydrates can be stored in muscles as muscle glycogen, which can speed up muscle growth and improve endurance. Experts recommend that bodybuilders get 40-60% of their calories from carbohydrates, with some sources suggesting a range of 45-65%. Carbohydrates should be consumed before, during, and after workouts, as well as at dinnertime, to ensure the body has sufficient energy and to replenish glycogen stores.
| Characteristics | Values |
|---|---|
| Carbohydrates as a source of energy | Carbohydrates are the primary source of energy for the body, fuelling workouts and providing energy for movement and brain function. |
| Carbohydrates for bodybuilding | Carbohydrates are essential for bodybuilding as they fuel the body and play a crucial role in building muscle. Bodybuilders traditionally consume high-carb diets, with 40-60% of their calories coming from carbohydrates. |
| Carbohydrate sources | Carbohydrates can be obtained from whole foods such as fruits, vegetables, potatoes, beans, lentils, and whole grains (oats, corn, brown rice, quinoa, etc.). |
| Carbohydrates and fat loss | Lower carbohydrate levels are recommended for fat loss, while higher levels are suggested for muscle gains. |
| Carbohydrates and protein synthesis | Carbohydrates, when consumed with protein/amino acids before and after training sessions, can enhance protein synthesis and muscle growth. |
| Carbohydrates and glycogen | Carbohydrates provide glycogen, which is stored in the muscles, improving endurance and speeding up muscle growth. |
| Carbohydrates and nitrates | Some carbohydrate sources, such as watermelon, spinach, beets, and carrots, are rich in dietary nitrates, which improve blood flow to muscles and enhance muscle growth. |
| Carbohydrates and calorie intake | Each gram of carbohydrate provides 4 calories. Carbohydrate intake should be adjusted based on daily calorie intake and activity level. |
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What You'll Learn
- Bodybuilders traditionally eat high-carb diets, with 40-60% of calories from carbs
- Carbs are a great source of energy and can aid muscle growth
- The best sources of carbs include fruits, legumes, dairy, and whole grains
- Carb intake depends on your daily calorie number and activity level
- Carbs are one of three primary macronutrients, along with protein and fat

Bodybuilders traditionally eat high-carb diets, with 40-60% of calories from carbs
Bodybuilders traditionally eat diets high in carbohydrates, with 40-60% of their calories coming from carbs. Carbohydrates are the body's primary energy source, fuelling workouts and providing energy for movement and brain function. They are particularly important for bodybuilders as they can be stored as muscle glycogen, which increases muscle endurance and speeds up muscle growth.
Carbs are also a great source of calories and are relatively easy to digest. They are rich in nutrients, including fibre, vitamins, minerals, phytonutrients, and antioxidants. The best sources of carbohydrates are whole foods, such as fruits, vegetables, potatoes, beans, lentils, and whole grains. These foods are packed with nutrients and provide a varied diet, which is important for overall health and well-being.
However, it is important to note that not all carbs are equal. Simple carbohydrates, such as sugars, are a fast and efficient source of energy, while complex carbohydrates, such as starches, provide a slower but steadier energy source. It is recommended to get the bulk of carbohydrates from whole foods, as these are more nutritious and provide a range of health benefits.
Additionally, the amount of carbohydrates in a bodybuilder's diet may vary depending on their specific goals. For example, a bodybuilder trying to lose weight may reduce their carb intake, while one trying to gain muscle mass may increase their carb intake. It is also important to time carbohydrate intake correctly, as consuming carbohydrates and protein immediately before and after training sessions can augment protein synthesis, muscle glycogen resynthesis, and reduce protein degradation.
Overall, carbohydrates are an important part of a bodybuilder's diet, providing energy, nutrients, and supporting muscle growth. By including a variety of whole food sources of carbohydrates, bodybuilders can ensure they are fuelling their bodies correctly and optimising their performance.
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Carbs are a great source of energy and can aid muscle growth
Carbohydrates are one of the three primary macronutrients, along with proteins and fats, that make up the caloric content of food. They are a great source of energy, fuelling our cells, tissues, and organs, especially our brains and muscles. When we eat carbs, they break down into glucose, which is then stored in the muscle as glycogen for later use. This stored glycogen helps energise us during moderate- and high-intensity workouts.
Carbs are also important to refuel after a workout, helping to replenish our glycogen stores. The more glycogen we have, the more fuel we have for our muscles, allowing us to train more intensely, which indirectly influences muscle protein synthesis. If you don't refuel with carbs and continue to train with low glycogen, it can negatively affect the muscle-building process and overall training results.
While carbs don't directly promote muscle growth, they provide our bodies with the energy we need to get through muscle-building workouts, especially high-intensity ones. This is why bodybuilders, especially those in their “bulking” phase, tend to eat high-carb diets, getting anywhere from 40 to 60% of their calories from carbohydrates.
Additionally, carbs trigger the body to produce insulin, which has been shown to reduce protein breakdown. Insulin is one of the major growth hormones in our bodies, contributing to muscle growth when combined with exercise.
Therefore, when incorporated into a diet in the right levels and at the right times, carbs can indeed be a great source of energy and aid in muscle growth.
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The best sources of carbs include fruits, legumes, dairy, and whole grains
Carbohydrates are an important part of a balanced diet and are great for building muscle and burning fat. They are the primary source of energy for the body and are essential for brain function. Bodybuilders traditionally eat high-carb diets, with 40-60% of their calories coming from carbohydrates.
The best sources of carbohydrates include fruits, legumes, dairy, and whole grains. Fruits like bananas, passion fruits, mangoes, papayas, oranges, and squash are rich in dietary fibre, vitamins, minerals, and phytonutrients. Dried fruits such as raisins, dried cranberries, dried cherries, and dried mangoes are also a good source of carbs. Berries, including frozen mixed berries, blueberries, cherries, and blackberries, are packed with antioxidants and other nutrients.
Legumes such as beans, lentils, green peas, soybeans, chickpeas, and peanuts are excellent sources of plant-based protein and fibre. Dairy products like Greek yogurt, kefir, milk, and soy milk provide essential nutrients like calcium, protein, and vitamins.
Whole grains are an important part of a healthy diet and include oats, rice, quinoa, whole wheat, and corn. These foods provide complex carbohydrates that are broken down slowly, providing a steady source of energy. They are also rich in fibre, which aids digestion, regulates blood sugar, and lowers cholesterol.
In addition to these food groups, starchy vegetables like potatoes and sweet potatoes are good sources of carbohydrates. They provide the body with a slower but steadier source of energy compared to simple sugars.
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Carb intake depends on your daily calorie number and activity level
Carbohydrates are the body's main source of energy and are essential for movement and brain function. They are especially important for bodybuilders as they fuel workouts and provide muscle glycogen, which is stored in the muscles, giving them greater endurance and speeding up muscle growth.
The amount of carbohydrates you should consume depends on your daily calorie intake and activity level. Bodybuilders traditionally eat high-carb diets, with 40-60% of their calories coming from carbohydrates. This can be further fine-tuned depending on the specific goals and activity levels of the individual. For example, a bodybuilder looking to increase muscle mass and strength may aim for the higher end of this range, consuming 55-60% of their total calories from carbohydrates.
To determine your daily calorie intake, you can start by calculating your basal metabolic rate (BMR), which is the number of calories your body burns by simply being alive. This can be calculated using the Mifflin St. Jeor equation, which takes into account your weight, height, and age. Once you have your BMR, you multiply it by a factor that corresponds to your activity level to get your total daily calorie needs.
After determining your daily calorie intake, you can decide on the percentage of carbohydrates you want to include in your diet. As a general guideline, bodybuilders typically aim for 40-60% of their total calories to come from carbohydrates. This can be adjusted based on individual factors such as activity level, body composition, and specific fitness goals.
It is important to note that not all carbohydrates are created equal. Whole food sources of carbohydrates such as fruits, vegetables, legumes, dairy, and whole grains are recommended as they provide additional nutrients like fibre, vitamins, and minerals. Additionally, paying attention to the timing of your carbohydrate intake can also be beneficial. Consuming carbohydrates immediately before and after training sessions can help augment muscle glycogen resynthesis and improve recovery.
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Carbs are one of three primary macronutrients, along with protein and fat
Carbohydrates, or carbs, are one of the three primary macronutrients, along with proteins and fats, that make up the caloric content of food. They are the body's main source of energy and fuel workouts, providing energy for movement and brain function. Carbs come in three main types: sugars, starches, and fibre. Sugars are simple carbohydrates found naturally in fruits, milk, and honey, and they provide a fast and efficient source of energy. Starches, on the other hand, are complex carbohydrates found in foods like beans, oats, potatoes, and rice. They are broken down into glucose during digestion, providing a slower but steadier source of energy. Fibre is particularly important for improving digestive health, which is crucial when bulking up.
Carbs play a significant role in bodybuilding, as they can be stored directly in the muscles as muscle glycogen. By increasing the amount of glycogen stored in the muscles, they become fuller and harder, resulting in greater endurance and accelerated muscle growth. Additionally, some carbs contain nitrates, which improve blood flow to the muscles, further enhancing muscle growth. For these reasons, bodybuilders often consume a high-carb diet, obtaining 40-60% of their calories from carbohydrates.
The percentage of carbohydrates in a bodybuilder's diet may vary depending on their specific goals. For instance, during the off-season, a bodybuilder's diet should be slightly hyperenergetic, with a suggested composition of 55-60% carbohydrate, 25-30% protein, and 15-20% fat. However, during the pre-contest phase, the diet should be hypoenergetic, with a slight reduction in carbohydrate intake to maintain muscle mass and reduce body fat.
It is important to note that while carbs are essential for energy and muscle growth, excessive consumption can lead to the addition of adipose tissue, or fat. Therefore, it is recommended to incorporate carbs into the diet in the right amounts and at the right times to maximise their benefits. Additionally, it is crucial to obtain carbs from whole foods such as fruits, vegetables, potatoes, beans, lentils, and whole grains, as these sources are rich in nutrients and provide a more varied diet.
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Frequently asked questions
Bodybuilders traditionally eat high-carb diets, with 40-60% of their calories coming from carbohydrates.
Good sources of carbohydrates for bodybuilders include fruits, vegetables, potatoes, beans, lentils, and whole grains such as oats, corn, brown rice, and quinoa.
Yes, the National Strength & Conditioning Association recommends getting 45-65% of calories from carbohydrates for strength training.
Carbohydrates provide energy for the body and are important for muscle growth. They can be stored in the muscles as muscle glycogen, which increases endurance and speeds up muscle growth.
You can use a carbohydrate calculator, which will take into account your daily calorie intake and activity level to determine the recommended percentage of carbohydrates in your diet.











































