Dr. Valter Longo: Ketogenesis and Fasting Diets (Full Interview)


Science-Backed Benefits of Keto and Intermittent Fasting for Weight Loss

Are you looking to lose weight but don’t know where to start? Have you tried other diets but haven’t seen the results you were hoping for? If so, then the combination of keto and intermittent fasting could be the key to unlocking your weight loss goals. In this blog post, we’ll explore how a keto and fasting diet can help you reach your desired weight loss goals.

Introduction: Keto and Fasting Weight Loss

The keto diet and intermittent fasting have become popular methods for achieving weight loss. The keto diet is a high-fat and low-carbohydrate (HFLC) diet, in which you limit carbs to a very low amount and replace them with high-fat foods. Intermittent fasting involves alternating periods of eating and fasting, usually with a 16:8 fasting-to-eating ratio. Both of these methods have been shown to be effective at promoting fat-burning and weight loss. Combining the two can potentially accelerate weight loss and fat burning, leading to quick and noticeable results. In this blog post, we’ll discuss the different aspects of the keto diet and intermittent fas and how they can be combined for maximum weight loss results.

What is the Keto Diet?

The keto diet is a low-carb, high-fat diet that promotes weight loss. It involves drastically reducing your carbohydrate intake and replacing it with fat. This encourages your body to enter a state of ketosis, in which it produces ketones for energy instead of relying on glucose from carbohydrates. By limiting your carb intake, you force your body to burn fat for energy, leading to rapid weight loss. The keto diet also reduces insulin levels, which can help reduce the risk of certain diseases including diabetes and cancer. Additionally, the keto diet can help improve mental clarity and focus, as well as reduce inflammation and improve blood sugar levels.

The Benefits of the Keto Diet for Weight Loss

The keto diet is a low-carb, high-fat diet. When you are on the keto diet, your body enters a state of ketosis, where it uses fat for energy instead of glucose. This means that your body starts to burn fat more quickly, leading to rapid weight loss. Studies have shown that the keto diet can lead to up to 2-3 times more weight loss than other diets. Additionally, the keto diet has been shown to reduce hunger levels, improve blood sugar control, and reduce inflammation. Moreover, the keto diet can help improve cholesterol levels and cardiovascular health.

What is Intermittent Fasting?

Intermittent fasting is a type of dieting regimen that involves alternating periods of fasting and eating. This means that for part of the day or week, you abstain from consuming any calories, and then for the other part, you eat regularly. This dietary approach has been gaining traction in recent years due to its potential health benefits. Intermittent fasting has been found to improve metabolism, aid in weight loss, reduce inflammation, and even help increase longevity. There are several different types of the intermittent fasting, including time-restricted feeding, alternate-day fasting, and the 5:2 diet. Each approach has different rules and guidelines to follow. For instance, with time-restricted feeding, you would eat all of your meals within a certain number of hours each day, while with alternate-day fasting you would fast every other day. It’s important to note that when you are fasting, you should still stay hydrated by drinking plenty of water.

The Benefits of Intermittent Fasting for Weight Loss

Intermittent fasting is a powerful tool for weight loss. By limiting your eating window and strategically timing your meals, you can reduce overall calories and shift your body into fat-burning mode. In addition to promoting weight loss, intermittent fasting can also reduce inflammation, lower cholesterol, improve blood sugar levels and reduce the risk of metabolic diseases. It also helps to reduce cravings and hunger levels. Intermittent fasting can be done in a variety of ways, such as 16:8 fasting or 24-hour fasting. Whatever protocol you choose, make sure to drink plenty of water and get enough sleep and physical activity to support your overall health.

How to Combine Keto and Intermittent Fasting for Maximum Weight Loss

Combining the keto diet with intermittent fasting can be an effective way to promote weight loss and achieve your health goals. Ketosis is a natural metabolic state in which your body burns fat instead of glucose for energy. When you’re in ketosis, your body is more efficient at burning fat, which can help you lose weight. Intermittent fasting is a dietary pattern that involves alternating periods of eating. During the fasting period, you are not allowed to consume any calories. This helps your body enter a fat-burning mode, which can help you lose weight.

When combined, the keto diet and intermittent fasting can help you reach ketosis faster than if you were just following the keto diet alone. This can result in greater fat burning and more rapid weight loss. You don’t have to combine the two for successful weight loss, but if you do decide to try it out, it’s important to monitor your progress and make sure you’re not over-restricting yourself. It’s also important to note that while speed keto (combining the two diets) may lead to more rapid weight loss, it could also be detrimental to your health and should be avoided.

To get the most out of combining these two diets, make sure you are adequately nourished and eating a balanced diet that includes all of the essential nutrients your body needs. This will ensure that you get the most out of your

Common Mistakes to Avoid When Doing Keto and Fasting

When combining a keto diet with intermittent fasting, there are a few common mistakes to avoid in order to maximize your success. First and foremost, it is important to ensure that you are consuming enough calories. Restricting yourself unrealistically can be counter-productive, as your body will go into ‘starvation mode’ and slow down its metabolism in order to conserve energy. This can lead to difficulty losing weight and maintaining a healthy lifestyle. It is also important to ensure that the foods you are consuming are nutritionally dense and provide the right balance of protein, fats, and carbohydrates. Without this balance, you may find yourself feeling fatigued and lacking energy, which can be detrimental to your overall health. Additionally, it is important to stay hydrated and monitor your electrolyte levels. When transitioning from a high-carb diet to a ketogenic diet, electrolytes can become imbalanced and lead to dehydration or other health issues such as headaches and muscle cramps. Lastly, it is important to be mindful of any dietary supplements or medications you may be taking that could interfere with ketosis or fasting. Speak with your doctor before making any major changes to your lifestyle.

Important Considerations Before Starting a Keto and Fasting Lifestyle

Before starting a keto and fasting lifestyle, it is important to consider the potential risks and benefits of such a plan. If you are considering a ketogenic diet or intermittent fasting, it is important to speak with a medical professional first. This is especially true if you have any underlying health conditions or take medications that could be affected by such a drastic change in lifestyle. Additionally, it is important to ensure that you are getting all the nutrients you need while on the keto diet and that you are not fasting for too long or too often. Doing so can lead to nutrient deficiencies and other health issues. Finally, it is important to remember that while the keto diet and intermittent fasting can lead to fast weight loss, it is not a miracle cure and should be done in conjunction with other healthy lifestyle habits, such as regular exercise, adequate sleep, and stress management.

How to Monitor Your Progress on a Keto and Fasting Plan

Monitoring your progress on a keto and fast weight loss plan is essential to ensure you’re seeing the results you want. The best way to track your progress is by using a food journal and tracking your daily calorie intake, macronutrient ratios, and other important factors. Additionally, you should weigh yourself regularly to check if you’re losing weight or if your weight is stable. Take measurements of your waist, hips, and arms periodically to make sure you’re losing fat rather than muscle. Finally, use a blood ketone meter to check if you’re in ketosis. If you’re not seeing results, then it may be time to adjust your diet or increase the amount of exercise you’re doing.

Nutrition Tips for Optimal Results with Keto and Fasting Weight Loss

When following a keto and fasting weight loss plan, it is important to focus on eating nutritious foods that provide adequate amounts of essential nutrients. The keto diet focuses on eating foods high in healthy fats, moderate amounts of protein, and low in carbs. Foods such as fatty fish, nuts and seeds, eggs, avocados, and healthy oils such as olive and coconut should be included in your diet. Intermittent fasting also encourages eating nutritious foods while fasting to ensure you are getting enough essential nutrients. Additionally, during times of eating, focus on including a variety of veggies and fruits that are low in carbs, but rich in essential vitamins and minerals. It is important to monitor your macros and make sure you are eating the right amounts of fats, proteins, and carbs for your individual needs. Finally, incorporate nutrient-dense snacks such as nuts, seeds, nut butter, hard-boiled eggs, or dark chocolate to help keep you satiated and full between meals. By following these nutrition tips, you can ensure optimal results from your keto and fasting weight loss plan.

Recipes for Successful Ketogenic and Intermittent Fasting Diets

Finding the right recipes for a ketogenic and intermittent fasting diet can be challenging. It’s important to find recipes that are high in fat, low in carbohydrates, and that can be prepared quickly. Fortunately, there is an abundance of delicious recipes that will help you reach your weight loss goals while still enjoying tasty meals. Here are some of our favorite recipes for successful keto and fasting weight loss:


  • Avocado Toast with Poached Eggs: This classic breakfast favorite is a great way to start the day. Toast two slices of your favorite low-carb bread and top with half an avocado and two poached eggs. Sprinkle with salt, pepper, and red pepper flakes for an extra kick of flavor.


  • Keto Cobb Salad: This classic salad is a great way to get your daily servings of vegetables while on the keto diet. Start with a base of chopped romaine lettuce and top with cooked bacon, diced chicken, tomatoes, avocado, blue cheese, and hard-boiled eggs. Drizzle with olive oil and vinegar for a tasty meal.


  • Keto Meatballs: Meatballs are a great option for dinner when you’re on the keto diet. For this recipe, mix together ground beef, pork rinds, Parmesan cheese, garlic powder, onion powder, parsley, salt, and pepper. Form into balls and bake

Exercises That Support a Keto and Intermittent Fasting Plan

Exercising while on the keto diet and intermittent fasting can be an effective way to boost weight loss and improve overall health. Cardio, strength training, and HIIT (High-Intensity Interval Training) are all good options. However, it is essential to get enough rest since your body will be burning fat for energy. Aim for at least 7-8 hours of sleep a night and make sure to take regular breaks from exercise. Additionally, it’s important to stay hydrated and fuel your body with electrolytes to prevent dehydration when exercising. Finally, make sure to monitor your progress and adjust your goals accordingly.

How Does Sleep Impact a keto and fasting weight loss plan?

Sleep plays an important role in weight loss. Studies have shown that getting enough quality sleep can help to boost your metabolism, regulate appetite hormones, and reduce cravings. Furthermore, sleep deprivation can lead to poor food choices, higher calorie intake, and weight gain.

When following a keto and fasting plan, it is important to ensure that you are getting enough sleep. This will help you to stay focused and alert during periods and will help to ensure that the body is able to access the energy it needs from fat stores. Additionally, sleeping well can help to boost the production of growth hormone which can aid in muscle building and fat loss.

To ensure that you are getting enough quality sleep on a keto and fasting plan, it is important to follow a regular sleep schedule, limit caffeine consumption in the afternoon and evening, create a relaxing bedtime routine, avoid electronics before bed, and limit daytime naps to 30 minutes or less. Additionally, it is important to evaluate any underlying health conditions that may be interfering with your sleep. By making sure you are getting enough quality sleep each night, you can ensure that your keto and fasting plan is as successful as possible.

Conclusion: Why You Should Consider Trying Out the Keto Diet and Intermittent Fasting

The keto diet and intermittent fasting are two powerful tools for weight loss and overall health. When combined, they can provide an even greater boost to fat burning and weight loss. However, it is important to remember that this combination is not for everyone. It is important to consult with a doctor before starting any new diet or exercise plan. Additionally, it is important to find a plan that works best for you and your lifestyle. With careful consideration and a careful plan, the keto diet and intermittent fasting can be a great way to reach your weight loss goals.

Here are 3 studies (with links) that will provide additional insights into the Ketogenic diet and fasting:

  1. Intermittent fasting combined with calorie restriction is effective for weight loss and cardio-protection in obese women”: This study, published in the Journal of Nutrition and Metabolism in 2011, found that a combination of intermittent fasting and calorie restriction was effective for weight loss and improve markers of cardiovascular health in obese women. Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3017674/
  2. Intermittent fasting enhances physical and cognitive performance”: This study, published in the Journal of Translational Medicine in 2016, found that intermittent fasting improved physical and cognitive performance in mice, potentially due to increased production of brain-derived neurotrophic factors. Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4827223/
  3. Ketogenic diet and intermittent fasting improve cardiovascular risk factors in obese women”: This study, published in the Journal of Lipid Research in 2017, found that a combination of a ketogenic diet and intermittent fasting improved several cardiovascular risk factors, including blood pressure and cholesterol levels, in obese women. Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569620/

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