The keto diet is a low-carb, high-fat diet that can be effective for weight loss and certain health conditions. On a keto diet, you cut back significantly on carbohydrates to burn fat for fuel. The body enters a metabolic state called ketosis, where it turns fat into small energy molecules called ketones, which the brain and organs can use for energy.
To stay in ketosis, a person should consume up to 50 grams of carbs per day, though some sources suggest that 30 grams is a good target. The fewer carbs you eat, the more effective the diet is for reaching ketosis, losing weight, or improving type 2 diabetes.
If you eat 30 grams of carbs on a keto diet, you will want to make those carbs count by eating more high-fiber, nutrient-dense carbs and avoiding carbohydrates like sugar, grains, and starchy vegetables.
Characteristics | Values |
---|---|
Carbohydrates to consume on keto | Berries, dark chocolate, nuts, seeds, healthy oils, plain Greek yogurt, cottage cheese, unsweetened coffee and tea, fish, non-starchy vegetables, cheese, meat, eggs |
Carbohydrates to avoid on keto | Bread, baked goods, traditional sweeteners, starchy vegetables, high-sugar fruits, honey, syrup, sugar, chips, crackers, gluten-free baked goods |
Carbohydrates to have in moderation on keto | Milk, beans, legumes |
What You'll Learn
How many carbs can you eat and stay in ketosis?
The number of carbohydrates you can consume and still remain in ketosis can vary slightly from person to person. However, in general, to stay in ketosis, a person should consume no more than 50 grams of carbohydrates per day. This is because the keto diet is a low-carb, high-fat diet that puts the body into a state of ketosis, where it burns fat for energy instead of glucose.
Ketosis is a metabolic state where the body burns fat for energy instead of glucose. The keto diet is designed to induce this state by limiting carbohydrates and replacing them with fats. This can lead to potential weight loss, increased energy, and the management of chronic illnesses.
Most people will need to consume less than 50 grams of carbs per day to reach and stay in ketosis. This is because ketosis is achieved when the body's glucose levels drop, forcing it to burn fat for energy instead.
The number of carbs needed to stay in ketosis can vary depending on factors such as physical activity level, stress levels, and sleep. For example, those who engage in prolonged and intense workouts may be able to consume more than 50 grams of carbs without being kicked out of ketosis. Similarly, people with high stress levels and poor sleep may find it more difficult to stay in ketosis due to increased blood sugar and insulin resistance.
How to calculate carb intake
When following the keto diet, it is important to calculate the number of "net carbs" in foods. Net carbs are calculated by subtracting the amount of fibre from the total number of carbs. If the food is processed, half of the sugar alcohol content should also be subtracted.
Types of keto diets
There are several types of keto diets that allow for different amounts of carbs, protein, and fat:
- Standard ketogenic diet: 70% fat, 20% protein, and 10% carbs.
- Cyclical ketogenic diet: 5 days of low carb eating followed by 2 days of high carb eating.
- Targeted ketogenic diet: Eating more carbs around high-intensity workouts.
- High protein ketogenic diet: 60% fat, 35% protein, and 5% carbs.
Foods to eat and avoid on keto
When following the keto diet, it is important to choose foods with minimal carbs per serving. In general, vegetables that grow above the ground and non-sweet fruits are keto-friendly. Bread, baked goods, traditional sweeteners, and wheat-based products like rice, pasta, and cereals should be avoided as they are high in carbs.
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What foods can you eat on the ketogenic diet?
The ketogenic diet is a low-carb, high-fat diet that offers many health benefits. It involves drastically reducing your carbohydrate intake and replacing it with fat. This reduction in carbs puts your body into a metabolic state called ketosis, which causes your body to burn fat for energy.
So, what can you eat on the keto diet? Here's a list of keto-friendly foods:
- Meat: red meat, steak, ham, sausage, bacon, chicken, and turkey.
- Fatty fish: salmon, trout, tuna, and mackerel.
- Eggs: pastured or omega-3 whole eggs.
- Butter and cream: grass-fed butter and heavy cream.
- Cheese: unprocessed cheeses like cheddar, goat, cream, blue, or mozzarella.
- Nuts and seeds: almonds, walnuts, flaxseeds, pumpkin seeds, chia seeds, etc.
- Healthy oils: extra virgin olive oil, avocado oil, coconut oil, and avocado oil.
- Avocados: whole avocados or freshly made guacamole.
- Low-carb veggies: green veggies, tomatoes, onions, peppers, etc.
- Condiments: salt, pepper, herbs, and spices.
- Unsweetened coffee and tea.
- Dark chocolate and cocoa powder (at least 70% cocoa solids).
- Unsweetened plant-based milk: soy, almond, and coconut milk.
- Greek yogurt and cottage cheese.
- Cream and half-and-half.
Remember, the key to the keto diet is keeping your carbohydrate intake very low, so be mindful of your portion sizes and always check food labels.
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What foods should you limit?
The keto diet is a low-carb, high-fat, moderate-protein diet that can be effective for weight loss and certain health conditions. On a keto diet, you cut back significantly on carbohydrates to burn fat for fuel. The body then enters a metabolic state called ketosis, where it turns fat into small energy molecules called ketones.
While on a keto diet, it is important to limit foods with higher carbs, including:
- Starchy vegetables like corn, potatoes, sweet potatoes, and beets
- High-sugar fruits like bananas, raisins, dates, mangoes, and pears
- Honey, syrup, or sugar in any form
- Baked goods, including gluten-free options
- Cereal, crackers, rice, pasta, and bread
- Beer and other alcoholic drinks
It is also recommended to limit or avoid processed meats, such as bacon and sausage, as they are not as heart-healthy as chicken, fish, and beef.
Additionally, dairy products like milk and yogurt are high in natural sugars and should be limited or chosen carefully.
When following a keto diet, it is crucial to monitor your total carbohydrate intake and choose your foods accordingly.
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What are the pros and cons of the ketogenic diet?
The ketogenic diet is a low-carb, high-fat diet that was originally developed to help manage epilepsy. It has since become a popular weight-loss diet. The diet works by cutting carbs and replacing them with fats, which puts the body into a state of ketosis.
Pros of the Ketogenic Diet
- There is anecdotal evidence that the ketogenic diet helps with weight loss.
- People on the diet report feeling less hungry than on other types of restricted diets.
- The diet may help control blood sugar and improve insulin sensitivity.
- The diet cuts out nearly all processed foods.
- The diet may help reduce seizures in pediatric patients with epilepsy.
- Endurance athletes and bodybuilders use it to cut fat within short timeframes.
Cons of the Ketogenic Diet
- The diet is highly restrictive, which many people find challenging to stick to.
- It can be difficult to get all the necessary nutrients while on the diet, which can lead to constipation and other health issues.
- Common short-term side effects include fatigue, headache, brain fog, and upset stomach, aka "keto flu."
- Long-term health risks may include kidney stones, osteoporosis, and liver disease.
- The diet's rigid nature can lead to obsessive and disordered eating.
- The high-fat nature of the diet could have negative impacts on heart health.
- The diet is not suitable for people with certain medical conditions, such as kidney disease or liver disease.
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How do you get into ketosis quickly?
To get into ketosis, your body needs to enter a metabolic state where it uses ketones, instead of glucose, as its primary energy source. This is achieved by restricting your carbohydrate intake, moderating protein consumption, and increasing calories obtained from fat.
- Reduce your carbohydrate intake: This is the most important factor in entering ketosis. The recommended amount varies, but it is generally advised to consume 50 grams or fewer of carbohydrates per day.
- Increase your physical activity: The more energy you use, the more fuel your body needs. Exercise helps deplete your body's glycogen stores, which encourages the body to turn to fat as a source of fuel.
- Try a short fast: Intermittent fasting can help you reach a state of ketosis. In fact, many people go into mild ketosis between dinner and breakfast.
- Increase your healthy fat intake: Consuming plenty of healthy fats can boost your ketone levels and help you reach ketosis. Aim for 55-60% of your calories from fat.
- Maintain adequate protein intake: It is important to consume enough protein to supply your liver with amino acids that can be used for gluconeogenesis. For most people, this means consuming about 1 gram of protein for every pound of body weight each day.
- Test ketone levels and adjust your diet: You can measure ketone levels in your breath, urine, and blood. This will help you determine whether you need to make adjustments to your diet to reach ketosis.
In general, it takes 2-4 days to enter ketosis if you eat fewer than 50 grams of carbohydrates per day. However, some people may take longer, depending on factors such as physical activity level, age, metabolism, and carbohydrate, fat, and protein intake.
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Frequently asked questions
If you eat 30 carbs in a day while on keto, you may have exceeded your daily allowance. The keto diet typically restricts total carbohydrate intake to less than 50 grams per day, with some more restrictive versions of the diet limiting carbs to 20 grams per day. If you eat more carbs than recommended, you may not achieve ketosis, which is essential for the ketogenic diet.
Net carbs are the total amount of carbs you consume, in grams, minus the grams of dietary fiber. Net carbs are calculated this way because dietary fiber does not raise your blood glucose levels, which is what you're trying to avoid on keto. To calculate net carbs, subtract the amount of dietary fiber and half the amount of sugar alcohols from the total carbohydrate amount.
Meats such as beef, veal, lamb, pork, chicken, and turkey, and fish such as cod, sardines, tuna, and salmon have very low net carbs. Most green and leafy vegetables also have an extremely low keto net carb count and can be enjoyed freely. Additionally, high-fiber, low-fructose fruits can be included in a keto diet plan.