The keto diet is a high-fat, low-carbohydrate, and moderate-protein diet that aims to facilitate weight loss, enhance mental clarity, and boost energy levels. The typical keto macro ratio is 70% fats, 5% carbohydrates, and 25% protein, with some variations depending on calorie intake and individual needs. This diet induces a metabolic state called ketosis, where the body uses fat as its primary fuel source instead of carbohydrates, resulting in weight loss and improved metabolic health. While the keto diet has shown effectiveness in weight loss and managing certain health conditions, it is important to consult with a healthcare professional before starting this or any other diet to ensure it is safe and suitable for your specific needs and goals.
What You'll Learn
Fat: 55% to 75% of calories
On the keto diet, the majority of your calories should come from fat—between 55% and 75% of them, in fact. This means that if you're consuming 2,000 calories per day, you should be getting 1100 to 1500 calories from fat. This equates to roughly 120 to 170 grams of fat per day.
The best sources of healthy fats for those on the keto diet include fatty cuts of meat, eggs, fatty fish, whole milk, avocados, nuts, and MCT oil. You can also cook with fats like lard, tallow, butter, coconut oil, and olive oil.
It's important to note that not all fats are created equal. Prioritize unsaturated fats like liquid vegetable oils, as recommended by the American Heart Association (AHA). Avoid consuming too many foods high in saturated fat, such as beef, butter, cheese, and fried foods, as these can negatively impact your cholesterol levels and increase your risk of heart disease.
While fat is essential on the keto diet, it's crucial not to overeat it. Consuming too much fat can lead to weight gain and interfere with your weight loss goals. Portion control is essential, especially when it comes to calorie-dense foods like nuts.
In addition to fat, your keto diet should also include moderate amounts of protein, typically between 15% and 35% of your total calories. This is crucial for maintaining and building muscle mass, as well as supporting various bodily functions. Aim for at least 0.8 grams of protein per pound of body weight, but you may need more depending on your activity level and muscle-building goals.
Finally, to maintain ketosis, you must keep your carbohydrate intake very low. Typically, this means consuming less than 10% of your total calories from carbohydrates, which equates to around 20 to 50 grams of carbs per day. Focus on green leafy vegetables and other low-carb veggies like cucumber, celery, broccoli, and cauliflower.
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Carbohydrates: 5% to 10% of calories
Carbohydrates should make up 5% to 10% of your calorie intake when on a keto diet. This usually works out to be an average of 30 grams of net carbs per day, or 20-30 grams of carbohydrates per day, depending on your stats and exercise-adjusted TDEE (total daily energy expenditure).
To achieve and maintain ketosis, it is important to keep your carb intake low. This is because carbs raise insulin levels more than other macronutrients, and rising insulin will kick you out of ketosis.
The standard keto diet recommends keeping your carb intake to 5% or less of total calories. However, some people may benefit from a Cyclical Ketogenic Diet that allows 1-2 high-carb days per week. The extra carbs may be beneficial for active people, helping to refill muscle glycogen, the storage form of glucose used during hard or long efforts.
On the other hand, a sedentary person may benefit from keeping carbs to a minimum. Obese and overweight individuals, for example, may want to keep carbs under 5% of calories (20 to 30 grams of net carbs per day) to promote ketosis, appetite suppression, and weight loss.
It is worth noting that net carbs are calculated by subtracting the amount of dietary fibre and sugar alcohol (if present) from the total carbs in a food item.
Additionally, when it comes to counting your macros, it is generally recommended to count total carbs rather than net carbs. This is because some foods, particularly processed ones, can be low in net carbs but can easily exceed your overall carb limit for the day.
In summary, keeping your carbohydrate intake to 5-10% of your total calories is a crucial aspect of the keto diet, and adjustments can be made depending on your activity level and health goals.
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Protein: 20% to 30% of calories
Protein is an essential macronutrient for muscle repair and preservation. On the keto diet, protein should make up 20% to 30% of your total daily calories. This is roughly 100 to 150 grams of protein per day, depending on your calorie intake and other factors like your body weight, age, height, and activity level.
The amount of protein you need may vary depending on your strength goals and exercise demands. It's important to ensure you're getting enough protein to maintain a healthy weight and support essential metabolic processes. However, consuming more protein than your calculated amount is not necessary and should not negatively affect your body.
When planning your keto meals, remember that protein has a lower caloric density than fat. By weight, a proper keto meal should be about half protein and half fat. For example, if you're aiming for an intake of 2,000 calories per day, you would need around 100 grams of protein.
It's worth noting that therapeutic keto diets, such as those used to treat epilepsy, cancer, or Alzheimer's, typically require lower protein intakes. However, high-protein keto diets can still be compatible with weight loss goals.
To ensure you're getting enough protein on the keto diet, include a variety of protein-rich foods in your meals, such as lean meats, seafood, poultry, eggs, dairy, nuts, and seeds. You can also incorporate keto-friendly whey protein into your diet to help reach your protein goals, especially if you're working out.
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Calorie deficit: important for weight loss
A calorie deficit is when you burn more calories than you consume. This forces your body to burn through the stores of fat that you have built up, leading to weight loss. In fact, you won't lose weight without a calorie deficit.
A good rule of thumb for healthy weight loss is a deficit of about 500 calories per day. That should put you on course to lose about 1 pound per week. This is based on a starting point of at least 1,200 to 1,500 calories a day for women and those assigned female at birth, and 1,500 to 1,800 calories a day for men and those assigned male at birth.
You can reach a calorie deficit by consuming fewer calories or increasing your physical activity levels, or both.
For example, if you find you need roughly 2,000 calories a day and want to lose about 1 pound per week, you could eat 500 fewer calories every day. Your goal, then, is to eat 1,500 calories daily. That creates a 500-calorie deficit.
Alternatively, you could increase the amount of exercise you do so that you burn 500 more calories every day. This means you need 2,500 calories daily but keep consuming 2,000. You have still created a 500-calorie deficit.
You can also do a combination of both. For example, increase the amount of exercise you do daily to burn 200 more calories while cutting 300 calories from your daily diet. This will give you an overall calorie deficit of 500.
It's important to note that your calorie needs depend on several things: your age, sex, height, weight, and exercise habits.
Creating too much of a calorie deficit is not a good idea. It can cause several side effects, including:
- Hunger
- Fatigue
- Irritability
- Difficulty concentrating
- Slowed metabolism
- Gallstones
- Disordered eating
A prolonged calorie deficit may also affect your metabolism. It may change and slow down to meet your new calorie intake, making weight loss more difficult.
Therefore, it's best to aim for a reasonable deficit that allows you to lose weight slowly but steadily.
Calorie Deficit and the Keto Diet
The keto diet is a high-fat, low-carb, moderate-protein diet. Typically, the macro breakdown for the keto diet includes restricting your carb intake to just 5% to 10% of your calories. As a result, your fat intake increases to 55% to 60% of your calories, and the remaining 30% to 35% of your calories come from protein.
The standard keto macro ratios are ideal for beginners and are sustainable for most people:
- 75-80% calories from fat
- 15-20% calories from protein
- 5-10% calories from carbs
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Ketosis: a natural metabolic state that burns fat
The keto diet is a high-fat, low-carb, and moderate-protein diet. The standard keto macro ratios are:
- 70-80% calories from fat
- 15-30% calories from protein
- 5-10% calories from carbs
The keto diet is based on the idea of shifting your body's metabolism. Instead of burning carbohydrates to obtain energy, your body will switch to burning fats and ketones. This metabolic state is called ketosis.
To achieve ketosis, you need to change the proportion of macronutrients in your diet. The typical keto macros ratio is 70% fats, 5% carbohydrates, and 25% protein. However, some dietitians recommend increasing fat intake to 75% and reducing protein to 20%.
Once you change the structure of your macros, your body will enter ketosis. By reducing your carb intake, you lower your body's ability to generate energy from glucose, causing it to start burning fat for energy. This process leads to weight loss, as your body breaks down stored fat, resulting in the production of ketones.
The keto diet is challenging to stick to, but it can help you lose weight faster than other diets. It is also used therapeutically to manage seizures in people with epilepsy and has been shown to be effective in treating cancer and Alzheimer's disease.
To calculate your keto macros, you must first determine your total daily energy expenditure (TDEE). This measures how much energy you expend each day, both at rest and during exercise. You can then calculate your calorie deficit, which is typically set at 20% of your daily calories for weight loss.
For effective weight loss on the keto diet, it is crucial to keep your carb intake low, typically between 20-30 grams of carbohydrates per day. This helps maintain ketosis and ensures your body continues to burn fat.
In addition to tracking your carb intake, it is important to ensure you are consuming adequate protein and the right amount of calories for weight loss. Protein is essential for muscle repair and preservation, while a calorie deficit is necessary for fat loss.
While the keto diet can be challenging, it offers a natural metabolic state that burns fat and promotes weight loss. By understanding your TDEE and sticking to the recommended keto macros, you can effectively use this diet to achieve your health and fitness goals.
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Frequently asked questions
The keto diet typically consists of 55-75% fat, 15-35% protein, and less than 10% carbohydrates. However, the exact ratio may vary depending on individual needs and goals.
The keto diet is a high-fat, low-carb diet that has been associated with weight loss, improved cholesterol levels, and better blood sugar control for people with type 2 diabetes. It may also have benefits for people with epilepsy, Alzheimer's disease, and non-alcoholic fatty liver disease.
On the keto diet, it is recommended to focus on high-fat foods such as fatty fish, dairy products, nuts, seeds, oils, dark chocolate, meat, and low-carb vegetables like cauliflower, broccoli, and asparagus. It is important to avoid high-carb foods such as bread, grains, starches, sugary snacks, beans, and most fruits.