Keto Diet: Fueling Your Fitness to Achieve Your Health Goals with Thomas DeLauerKeto Diet: Fueling Your Fitness to Achieve Your Health Goals with Thomas DeLauer

What is a Keto Diet?

A ketogenic (keto) diet is a high-fat, low-carbohydrate eating plan designed to shift your body’s primary source of energy from carbohydrates to fats. The central principle of a keto diet is to induce a state called “ketosis,” where the body breaks down fats into molecules called ketones, which are used for energy instead of glucose (sugar). Here’s how a keto diet works according to fitness coach Thomas DeLauer:

  1. Low Carbohydrates: To enter and maintain ketosis, you must significantly reduce your carbohydrate intake. Typically, keto diets involve consuming no more than 20-50 grams of net carbohydrates per day. Net carbohydrates are calculated by subtracting dietary fiber from total carbohydrates.
  2. High Healthy Fats: The majority of your daily caloric intake comes from fats, often accounting for around 70-80% of your diet. Good sources of healthy fats include avocados, nuts, seeds, olive oil, coconut oil, and fatty fish.
  3. Moderate Protein: Protein intake is kept at a moderate level, typically around 15-20% of daily calories. Consuming too much protein can potentially inhibit ketosis, as excess protein can be converted into glucose in the body.
  4. Ketosis: With limited carbohydrate intake, the body begins to use fat stores as its primary energy source. The liver converts fats into ketones, which are used by the body and brain for energy.
  5. Weight Loss: Ketosis can lead to significant weight loss, as the body efficiently burns stored fat. It also helps to suppress appetite and reduce calorie intake, contributing to weight loss.
  6. Blood Sugar Regulation: For some individuals, a keto diet can improve blood sugar control and insulin sensitivity, making it a potential option for people with type 2 diabetes or prediabetes.
  7. Enhanced Mental Clarity and Focus: Many people on a keto diet report improved mental clarity and cognitive function. Ketones provide a stable and efficient source of energy for the brain.
  8. Potential Health Benefits: Research suggests that a keto diet may have potential benefits for certain medical conditions, such as epilepsy (especially in children), neurological disorders, and metabolic syndrome.

It’s important to note that a keto diet may not be suitable for everyone, and there are potential drawbacks and side effects, including the “keto flu” during the initial adaptation phase. The long-term effects and potential health risks of a strict keto diet are still subjects of ongoing research, and it’s advisable to consult with a healthcare professional or registered dietitian before starting a keto diet, especially if you have underlying health conditions or specific dietary needs.

What are the benefits of a Keto Diet?

The Keto Diet has gained attention due to its potential benefits, although it may not be suitable for everyone. Here are some of the potential benefits of a keto diet:

  1. Weight Loss: The primary reason many people adopt a keto diet is for weight loss. By restricting carbohydrates and increasing fat intake, the body shifts into a state of ketosis, where it burns stored fat for energy. This can lead to significant weight loss, especially in the early stages of the diet.
  2. Improved Blood Sugar Control: For some individuals, a keto diet can help stabilize blood sugar levels and increase insulin sensitivity. It may be beneficial for people with type 2 diabetes or prediabetes.
  3. Reduced Appetite: High-fat and low-carb meals can help reduce appetite and cravings, making it easier for some people to consume fewer calories and lose weight.
  4. Enhanced Mental Clarity and Focus: Some people report improved mental clarity and increased cognitive function on a keto diet. The steady supply of energy from ketones can lead to enhanced focus and alertness.
  5. Increased Energy Levels: While the initial transition to a keto diet can cause some fatigue and “keto flu” symptoms, many individuals report higher and more consistent energy levels once they adapt to ketosis.
  6. Improved Triglyceride and HDL Cholesterol Levels: A keto diet can lead to a reduction in triglyceride levels and an increase in high-density lipoprotein (HDL) cholesterol, which is associated with a lower risk of heart disease.
  7. Better Blood Pressure: Some individuals may experience a decrease in blood pressure while following a keto diet, which can contribute to overall heart health.
  8. Potential for Epilepsy Treatment: The ketogenic diet has a long history of being used as a treatment for drug-resistant epilepsy, particularly in children. It can reduce the frequency and severity of seizures in some epilepsy patients.
  9. Potential for Neurological Conditions: Emerging research suggests that a keto diet may have a positive impact on neurological conditions such as Alzheimer’s disease, Parkinson’s disease, and some mood disorders.
  10. Potential Cancer Therapy: There is ongoing research into the potential role of the keto diet in cancer therapy, as some studies have shown that cancer cells rely on glucose for energy, and the diet’s low-carb nature may inhibit cancer cell growth.

It’s important to note that the benefits of a keto diet can vary from person to person, and not everyone will experience the same effects. Additionally, there are potential downsides and risks associated with a keto diet, such as nutrient deficiencies, constipation, and the “keto flu” during the initial adaptation period.

Before starting a keto diet, it’s crucial to consult with a healthcare professional or registered dietitian to determine if it’s appropriate for your individual needs and to ensure you follow the diet safely and effectively. The long-term effects and potential risks of a strict keto diet are still subjects of ongoing research.

Some Tips for Success

  1. Plan Your Meals: Careful meal planning is crucial. Create a weekly meal plan, including recipes and a shopping list, to ensure you have the right foods on hand.
  2. Track Your Macros: Use a food tracking app to monitor your macronutrient intake and ensure you’re within the keto range (high fat, low carb, moderate protein).
  3. Incorporate Variety: Include a wide range of vegetables, nuts, seeds, and fats in your diet to avoid monotony and ensure you get a variety of nutrients.
  4. Stay Hydrated: Drink plenty of water and consider consuming electrolytes, especially during the initial stages to mitigate the “keto flu” symptoms.
  5. Fiber Intake: Include non-starchy vegetables to increase your fiber intake and alleviate digestive issues like constipation.
  6. Supplements: Consider taking necessary supplements, especially for nutrients like B12, iron, and omega-3 fatty acids that may be lacking in a vegetarian keto diet.
  7. Read Labels: Pay close attention to food labels to avoid hidden sources of carbohydrates, like added sugars, in processed foods.
  8. Healthy Fats: Choose healthy sources of fats, like avocados, nuts, and olive oil, to ensure you’re getting essential nutrients and fatty acids.
  9. Stay Informed: Keep up with the latest research and recommendations regarding the vegetarian keto diet, as our understanding of nutrition is continually evolving.
  10. Consult a Professional: It’s essential to work with a registered dietitian or healthcare professional who can help you tailor your diet to your specific needs and provide guidance on supplementation.

Common Mistakes

  1. Neglecting Protein: Failing to consume enough protein can result in muscle loss and other health issues. Be mindful of your protein intake and choose protein-rich vegetarian sources.
  2. Overeating Calories: While a keto diet can help with weight loss, it’s still essential to monitor your calorie intake. Eating excessive calories, even if they come from fat, can hinder your progress.
  3. Ignoring Nutrient Diversity: Relying solely on a few types of vegetables, nuts, or seeds can lead to nutrient deficiencies. Make an effort to incorporate a variety of foods into your diet.
  4. Overeating Processed Foods: Some processed vegetarian keto products may be high in unhealthy fats or artificial ingredients. Prioritize whole foods over processed options.
  5. Inadequate Hydration: Ketosis can lead to increased water loss, so staying well-hydrated is crucial. Failing to drink enough water can result in dehydration.
  6. Not Testing Ketone Levels: Without monitoring your ketone levels, it’s challenging to know if you’re truly in ketosis. Testing can help you make adjustments as needed.
  7. Going Too Strict Too Quickly: Transitioning abruptly into a vegetarian keto diet can lead to “keto flu” symptoms. It’s better to gradually reduce carb intake to minimize discomfort.
  8. Ignoring Fiber Intake: Lack of fiber can lead to digestive issues. Be sure to include low-carb, high-fiber vegetables to maintain good digestive health.
  9. Eating Hidden Carbs: Many foods, especially in restaurants, contain hidden carbohydrates. Be vigilant about asking for ingredient information when eating out.
  10. Not Listening to Your Body: Every individual’s response to a diet is unique. Pay attention to your body’s signals and adjust your diet accordingly.

Can Vegetarians benefit from a Keto Diet?

A vegetarian keto diet combines the principles of a vegetarian diet, which excludes meat, with those of a ketogenic diet, which is high in fat and low in carbohydrates. The primary goal of a vegetarian keto diet is to induce a state of ketosis, where the body burns fat for energy instead of carbohydrates. Here are some key principles and guidelines for following a vegetarian keto diet:

  1. Low Carbohydrates: The cornerstone of a ketogenic diet is to limit carbohydrate intake. This typically means consuming less than 50 grams of net carbohydrates per day. Net carbohydrates are calculated by subtracting fiber from total carbohydrates.
  2. High Healthy Fats: To make up for the reduced carbohydrate intake, a vegetarian keto diet should be rich in healthy fats. Good sources of healthy fats include avocados, nuts, seeds, coconut oil, olive oil, and full-fat dairy (if you consume dairy products).
  3. Moderate Protein: Protein intake should be moderate, as excessive protein can potentially kick you out of ketosis. Good sources of vegetarian protein include tofu, tempeh, eggs, dairy (if you’re an ovo-lacto vegetarian), and plant-based protein sources like seitan and textured vegetable protein.
  4. Fiber-Rich Vegetables: Even on a keto diet, it’s important to consume fiber for digestive health. Non-starchy vegetables like leafy greens, cauliflower, broccoli, and zucchini are good choices.
  5. Avoid Grains and Starchy Vegetables: Grains and starchy vegetables like rice, potatoes, and bread should be avoided or consumed in very small quantities, as they are high in carbohydrates.
  6. Fruit in Moderation: Fruits are generally higher in carbohydrates, but you can still enjoy small portions of low-carb fruits like berries on occasion.
  7. Dairy or Non-Dairy Substitutes: If you’re a lacto-vegetarian, you can include full-fat dairy products like cheese, yogurt, and butter. If you’re a vegan, opt for non-dairy alternatives like almond milk, coconut milk, and soy-based products.
  8. Snacking: If you need snacks, choose keto-friendly options like nuts, seeds, and low-carb vegetables with dips.
  9. Hydration: Stay well-hydrated by drinking water and herbal teas. Avoid sugary beverages and limit your alcohol intake.
  10. Supplements: Consider taking a multivitamin and mineral supplement to ensure you get all the essential nutrients, as a strict keto diet may sometimes lack certain vitamins and minerals.

It’s essential to consult with a healthcare professional or registered dietitian before starting any new diet, especially a ketogenic one, to ensure it’s appropriate for your specific needs and health conditions. They can help you plan a well-balanced vegetarian keto diet that meets your nutritional requirements and health goals.

Challenges of a Vegetarian Keto Diet & how to Overcome them

A vegetarian keto diet can offer numerous benefits, but it also comes with its set of challenges and considerations. Here are some potential challenges of going on a vegetarian keto diet:

  1. Limited Food Choices: A vegetarian keto diet restricts both carbohydrates and meat, which can significantly limit your food choices. You need to be creative to maintain variety in your meals.
  2. Getting Enough Protein: While plant-based protein sources like tofu, tempeh, and seitan are allowed, it can be a challenge to meet your protein needs, especially if you’re not eating dairy or eggs. You may need to rely on protein supplements.
  3. Balancing Macronutrients: Achieving the right balance of macronutrients (fat, protein, and carbs) can be tricky. You need to monitor your intake closely to ensure you’re in ketosis.
  4. Potential Nutrient Deficiencies: Vegetarians may be at risk of nutrient deficiencies such as vitamin B12, iron, and omega-3 fatty acids. It’s crucial to carefully plan your diet and consider supplements or fortified foods.
  5. Digestive Issues: The high fat content of a keto diet, combined with a lack of fiber from carbohydrates, can lead to digestive issues like constipation. It’s important to include fiber-rich non-starchy vegetables to mitigate this.
  6. Social Challenges: Social situations and dining out can be challenging on a vegetarian keto diet. Most restaurant menus and social gatherings are carb-heavy or meat-centric, making it difficult to find suitable options.
  7. Keto Flu: Like any keto diet, you might experience “keto flu” symptoms during the initial adaptation phase, which can include fatigue, headaches, and nausea.
  8. Food Preparation: Preparing vegetarian keto meals can be time-consuming and may require more cooking and planning than a standard diet.
  9. Higher Cost: Some vegetarian keto-friendly foods, such as specialty low-carb and plant-based products, can be expensive, which may strain your budget.
  10. Sustainability: Maintaining a strict vegetarian keto diet over the long term can be challenging for some people due to its restrictive nature.

To overcome these challenges, consider the following tips:

  • Plan your meals carefully to ensure you’re getting enough nutrients.
  • Use online resources, cookbooks, and apps to find vegetarian keto recipes.
  • Monitor your ketone levels and adjust your diet as needed.
  • Consult with a registered dietitian to create a well-balanced vegetarian keto meal plan.
  • Be mindful of your protein intake and consider protein-rich plant-based sources and supplements.
  • Experiment with various vegetables, nuts, seeds, and oils to add variety to your diet.
  • When dining out, look for keto-friendly options or consider eating beforehand to avoid unwanted carb consumption.

List of foods on a Vegetarian Keto Diet


  • Tofu
  • Tempeh
  • Edamame
  • Dairy products (if you’re a lacto-vegetarian)
  • Seitan
  • Lentils
  • Chickpeas

Healthy Fats:

  • Avocados
  • Olive oil
  • Coconut oil
  • MCT oil
  • Almonds
  • Walnuts
  • Macadamia nuts
  • Chia seeds
  • Flaxseeds
  • Hemp seeds
  • Nut butters (almond butter, peanut butter, etc.)
  • Full-fat coconut milk or cream

Low-Carb Vegetables:

  • Spinach
  • Kale
  • Cauliflower
  • Broccoli
  • Zucchini
  • Brussels sprouts
  • Asparagus
  • Cabbage
  • Bell peppers
  • Mushrooms

Low-Carb Fruits (in moderation):

  • Strawberries
  • Blueberries
  • Raspberries
  • Lemons
  • Limes

Dairy Alternatives (for vegans):

  • Unsweetened almond milk
  • Unsweetened coconut milk
  • Unsweetened soy milk
  • Vegan cheese (in moderation)

Condiments and Flavorings:

  • Herbs and spices (basil, oregano, thyme, etc.)
  • Apple cider vinegar
  • Balsamic vinegar (in moderation)
  • Mustard (watch for added sugars)
  • Tamari or coconut aminos (for a lower-carb alternative)
  • Hot sauce (without added sugar)


  • Nuts and seeds
  • Cheese or dairy alternatives (in moderation)
  • Keto-friendly bars and snacks


  • Water
  • Herbal tea (caffeine-free)
  • Black coffee (in moderation)
  • Unsweetened sparkling water

Sweeteners (in moderation):

  • Stevia
  • Erythritol
  • Monk fruit sweetener

Plant-Based Oils:

  • Avocado oil
  • Flaxseed oil
  • Hemp oil


  • Nutritional yeast
  • Unsweetened cocoa powder
  • Seaweed

Remember to adjust quantities based on your meal plan and personal preferences. Additionally, it’s a good idea to have a well-thought-out meal plan to make sure you have all the necessary ingredients for your specific recipes and daily nutritional needs.