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Keto vs. Paleo: Which Low Carb Diet Is Right for You always

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  • Post last modified:October 31, 2023

Comparing Keto vs. Paleo: Unpacking the Differences in Low Carb Diets. When it comes to low-carb diets, two popular options frequently come to mind: the ketogenic (keto) diet and the paleolithic (paleo) diet. Both diets have garnered substantial followings for their potential health benefits and weight loss effects, but they are based on distinct principles and have varying requirements. In this article, we will compare keto and paleo diets, helping you understand their key differences and providing guidance on which one might be the right fit for you.

Ketogenic Diet (Keto): A Comprehensive Overview

The ketogenic diet is a dietary regimen that has gained substantial attention for its unique approach to nutrition. It’s characterized by a high-fat, low-carbohydrate, and moderate-protein composition, and its primary objective is to induce a metabolic state known as ketosis. Here’s a more in-depth look at the various aspects of the keto diet.

Macronutrient Ratios:

The macronutrient ratios in a standard ketogenic diet are quite distinct from conventional dietary recommendations:

  • Fat: Approximately 70-75% of total daily calories come from fat. This high fat intake is essential for providing the body with an alternative source of energy, as it shifts away from carbohydrates.
  • Protein: Protein intake makes up about 20-25% of daily calories. The protein content is moderate, ensuring that the body maintains muscle mass while not converting excess protein into glucose.
  • Carbohydrates: Carbohydrates are severely restricted, constituting just 5-10% of daily calories. This translates to roughly 20-50 grams of net carbs per day. The limitation of carbs is crucial in triggering ketosis.

Carbohydrate Restriction : Low Carb Diet

One of the defining features of the keto diet is its strict limitation of carbohydrate consumption. By keeping carb intake extremely low, the body has little glucose available to use as its primary energy source. This scarcity of carbohydrates forces the body to tap into its fat reserves and convert fatty acids into molecules called ketones for energy.

Foods to Embrace:

  • Healthy Fats: These include avocados, olive oil, coconut oil, butter, and fatty cuts of meat. Healthy fats provide the majority of your daily calories and are the backbone of the diet.
  • Meats and Fish: High-quality, unprocessed meats and fatty fish, such as salmon and mackerel, are excellent sources of protein and healthy fats.
  • Non-Starchy Vegetables: Leafy greens, broccoli, cauliflower, zucchini, and other non-starchy vegetables are consumed to provide essential vitamins, minerals, and fiber without excessive carbohydrates.
  • Nuts and Seeds: Almonds, walnuts, chia seeds, and flaxseeds are rich in healthy fats and make for satisfying snacks or additions to meals.


The ketogenic diet is associated with various benefits, including:

  • Rapid Weight Loss: Due to the low-carb nature of the diet and the body’s increased fat utilization, many people experience significant weight loss on keto.
  • Improved Blood Sugar Control: The diet can lead to better blood sugar management, making it a therapeutic option for individuals with type 2 diabetes and prediabetes.
  • Enhanced Mental Clarity: Some individuals report improved focus, mental clarity, and cognitive function while in ketosis. This effect has led to the use of the keto diet for neurological conditions like epilepsy.
  • Treatment for Epilepsy: Originally developed as a treatment for epilepsy, the ketogenic diet is still prescribed to help manage seizures in drug-resistant epilepsy cases.
  • Management of Obesity: The diet has shown promise in addressing obesity and associated health issues by promoting fat loss and improved metabolic health.

While the ketogenic diet offers significant benefits, it’s essential to approach it with care. The strict restriction of carbohydrates may not be suitable for everyone, and consulting a healthcare professional or registered dietitian before starting any major dietary change is advisable. Keto can be highly effective when followed correctly, but it’s crucial to make informed choices about its suitability for your individual health and lifestyle goals.

Paleolithic Diet (Paleo): A Comprehensive Overview

The Paleolithic diet, often referred to as the “paleo diet” or “caveman diet,” is a nutritional approach that takes inspiration from the eating habits of our ancient hunter-gatherer ancestors. It is built on the concept of consuming whole, unprocessed foods that would have been available during the Paleolithic era. Here’s a deeper dive into the various aspects and benefits of the paleo diet:

Low-Carb Diet

Macronutrient Ratios:

Unlike the ketogenic diet, the paleo diet does not prescribe strict macronutrient ratios. However, there are general trends in paleo eating:

Carbohydrate Restriction:

  • Protein: A significant portion of calories in the paleo diet comes from protein. This is because lean meats and fish are emphasized, much like what our ancestors would have hunted.
  • Fats: Healthy fats are a fundamental component of the paleo diet. These include fats from sources like avocados, nuts, seeds, and olive oil.
  • Carbohydrates: While not as low-carb as the ketogenic diet, the paleo diet naturally restricts carbohydrates by excluding grains, legumes, and processed sugars. Instead, it relies on carbohydrates from fruits and vegetables.

The paleo diet’s carbohydrate restriction comes from eliminating certain types of carbohydrates that are common in modern diets. This includes grains (wheat, rice, corn), legumes (beans, lentils), and processed sugars. The diet encourages carbohydrates from nutrient-dense sources such as fruits and non-starchy vegetables.

Foods to Embrace:

The paleo diet emphasizes the following foods:

  • Lean Meats and Fish: These are considered primary sources of protein and healthy fats. Grass-fed and wild-caught options are often preferred.
  • Fruits and Vegetables: A variety of colorful fruits and vegetables are encouraged, providing essential vitamins, minerals, and fiber.
  • Nuts and Seeds: Almonds, walnuts, and seeds like chia and flax are nutrient-dense and contribute healthy fats and protein.
  • Healthy Fats: Avocados, olive oil, and coconut oil are used for cooking and as sources of healthy fats.


The paleo diet is associated with several potential benefits:

  • Reduced Inflammation: By eliminating processed foods and common allergens like gluten, the paleo diet may help reduce inflammation and alleviate symptoms in individuals with autoimmune conditions.
  • Improved Digestion: The emphasis on whole, unprocessed foods can support healthy digestion and reduce gastrointestinal discomfort for some people.
  • Nutrient-Dense Foods: The diet encourages the consumption of nutrient-dense foods, which can contribute to overall health and well-being.
  • Weight Management: Some individuals find it easier to manage their weight on the paleo diet due to its focus on whole, satiating foods.
  • Sustainable Lifestyle: The paleo diet promotes a lifestyle of real, whole foods, which aligns with sustainability and ethical sourcing practices.

The paleo diet is often viewed as a more flexible and intuitive approach to eating compared to strict low-carb diets like keto. However, as with any diet, it’s essential to personalize it to your individual health goals and dietary preferences. Consulting with a healthcare professional or registered dietitian can help you make informed choices about whether the paleo diet is right for you and how to balance its macronutrients to meet your needs.

Which Diet Is Right for You?

Choosing between keto and paleo depends on your individual goals, preferences, and health status:

1.Weight Loss

Rapid Fat Utilization:

The ketogenic diet forces the body into a state of ketosis, where it primarily relies on fat for energy. When carbohydrates are severely restricted, the body exhausts its glycogen (carbohydrate) stores and begins breaking down fat into ketone bodies. This efficient fat utilization is key to rapid weight loss.

Appetite Suppression:

Keto’s high-fat and moderate-protein content can help control hunger. When you consume more dietary fat, you tend to feel fuller and more satisfied for longer periods. This reduction in hunger and cravings can lead to fewer calories consumed, aiding in weight loss.

Reduced Insulin Levels:

Low-carb diets like keto are known to lower insulin levels. Insulin is a hormone that regulates blood sugar and plays a significant role in fat storage. By keeping insulin levels low, the body is encouraged to release stored fat for energy, promoting fat loss.

Enhanced Fat Oxidation:

Ketosis enhances the body’s ability to oxidize (burn) fat. This process increases the breakdown and utilization of stored fat, further contributing to weight loss.

Water Weight Loss:

In the initial stages of keto, many people experience rapid water weight loss. Carbohydrates bind to water molecules in the body. When carbs are restricted, excess water weight is shed, which can result in a quick drop on the scale.

Improved Blood Sugar Control:

Keto has been shown to improve blood sugar levels, making it beneficial for individuals with insulin resistance and type 2 diabetes. Stable blood sugar levels can reduce the likelihood of overeating and unhealthy snacking, contributing to weight loss.


The process of converting fat into ketones is thermogenic, meaning it produces heat. This thermogenic effect may slightly increase the body’s energy expenditure, aiding in weight loss.

Psychological Factors:

Some individuals find the structure and clarity of keto to be psychologically motivating for weight loss. Knowing that high-carb, sugary foods are off-limits can help people stay on track with their dietary goals.

It’s important to note that while keto can lead to rapid initial weight loss, long-term success depends on maintaining a sustainable and balanced approach to the diet. Keto isn’t suitable for everyone, and its extreme carbohydrate restriction may lead to nutrient deficiencies if not carefully managed. Additionally, the rapid weight loss experienced initially often levels off as the body adapts to ketosis.

Before starting a keto diet for weight loss or any other health-related goal, consulting with a healthcare professional or registered dietitian is recommended to ensure it aligns with your specific needs and to establish a plan for gradual reintroduction of carbohydrates when transitioning off the diet. Sustainable weight management is best achieved through a balanced, long-term dietary approach.

Health Conditions

a. Keto for Epilepsy: The ketogenic diet was originally developed as a treatment for epilepsy, primarily in cases of drug-resistant epilepsy. Under medical supervision, it can be highly effective in reducing the frequency and severity of seizures. It’s often recommended for individuals with epilepsy who have not responded to other treatments.

Keto for Type 2 Diabetes: The ketogenic diet may also be beneficial for individuals with type 2 diabetes. It can help improve insulin sensitivity and blood sugar control. However, it should be closely monitored, and adjustments to medication may be necessary under medical supervision.

2. Sustainability:

a. Paleo’s Variety: The paleo diet offers a broader range of food options compared to the strict limitations of the ketogenic diet. This variety can make it more sustainable for some people over the long term. Paleo includes lean meats, fish, fruits, vegetables, nuts, and seeds, which can provide a more flexible and satisfying eating plan.

b. Keto’s Restrictiveness: The ketogenic diet can be perceived as highly restrictive due to its severe carbohydrate limitation. This restriction can make it challenging for some individuals to maintain for extended periods. The lack of variety and the necessity to track macronutrients can be less appealing to those seeking a more flexible dietary approach.

3. Carbohydrate Tolerance:

a. Keto’s Strict Carb Limitation: The ketogenic diet is characterized by an extremely low carbohydrate intake, typically around 20-50 grams of net carbs per day. For some, this level of carbohydrate restriction may be too challenging or impractical. It requires careful planning and monitoring to stay within these limits.

b. Paleo’s Moderate Carbs: The paleo diet naturally restricts certain high-carb foods, such as grains and legumes, but it still allows for a more moderate intake of carbohydrates from fruits and vegetables. This can be more manageable for individuals who find strict carb limitation difficult.

c. Individual Tolerance: Consider your individual carbohydrate tolerance and preferences. Some people thrive on very low-carb diets like keto, while others may feel better with a slightly higher carbohydrate intake, which is more in line with the paleo diet.

In conclusion, the choice between keto and paleo should align with your specific health goals, lifestyle, and personal preferences. If you have a medical condition like epilepsy or type 2 diabetes, it’s crucial to consult with a healthcare professional or a registered dietitian who can guide you on the most suitable approach and ensure that it’s safely managed.

Sustainability is a significant factor for long-term dietary success. If you find strict carb limitation challenging or are looking for a more varied and flexible approach, the paleo diet may be a better fit. Ultimately, both diets can be effective, but their suitability varies from person to person based on individual health and lifestyle factors.

4.Whole Foods vs. Tracking Macros:

Paleo emphasizes whole foods, while keto often involves tracking macronutrient intake meticulously. Choose the one that aligns with your dietary philosophy.


In conclusion, the choice between keto and paleo ultimately depends on your unique needs and lifestyle. Both diets have their merits and can lead to improved health and weight management when followed correctly. Before embarking on any new dietary regimen, it’s advisable to consult with a healthcare professional or registered dietitian to ensure it aligns with your specific health goals and requirements. Whether you opt for keto, paleo, or another diet entirely, the key to success lies in maintaining a balanced and sustainable approach to eating that suits your individual needs.