Milly Gaines
The keto diet, as advocated by Dr. Eric Berg, emphasizes low-carb, high-fat, and moderate-protein foods to achieve a state of ketosis, where the body burns fat for fuel instead of carbohydrates. Key foods to include are healthy fats like avocados, olive oil, and nuts; high-quality proteins such as grass-fed meats, fish, and eggs; and low-carb vegetables like spinach, broccoli, and cauliflower. Dr. Berg also recommends incorporating fermented foods, bone broth, and intermittent fasting to optimize results. Avoiding sugary foods, grains, and most fruits is essential to maintain ketosis and support overall health on this diet.
| Characteristics | Values |
|---|---|
| High-Fat Foods | Avocado, butter, ghee, olive oil, coconut oil, MCT oil, nuts (macadamia, walnuts), seeds (chia, flax), full-fat cheese, heavy cream |
| Moderate Protein Sources | Grass-fed beef, free-range poultry, wild-caught fish (salmon, mackerel), eggs, organ meats, tofu, tempeh (for vegetarians) |
| Low-Carb Vegetables | Leafy greens (spinach, kale), broccoli, cauliflower, zucchini, asparagus, bell peppers, Brussels sprouts, cucumbers, mushrooms |
| Berries (Limited) | Blackberries, raspberries, strawberries (small portions due to carb content) |
| Nuts and Seeds | Almonds, pecans, pumpkin seeds, sunflower seeds (in moderation due to carb content) |
| Beverages | Water, unsweetened almond milk, bone broth, herbal tea, black coffee (no sugar) |
| Sweeteners (Keto-Friendly) | Stevia, erythritol, monk fruit, xylitol (in moderation) |
| Condiments | Mustard, apple cider vinegar, sugar-free sauces, mayo (without added sugar) |
| Avoid High-Carb Foods | Grains (wheat, rice), sugar, most fruits, starchy vegetables (potatoes, corn), processed foods, alcohol |
| Electrolytes | Focus on sodium, potassium, and magnesium (e.g., salt, avocado, spinach, nuts) to prevent keto flu |
| Intermittent Fasting | Recommended by Dr. Berg to enhance ketosis (e.g., 16:8 fasting method) |
| Healthy Fats Priority | Emphasize consuming 70-80% of calories from healthy fats to maintain ketosis |
| Protein Moderation | Keep protein intake moderate (20-25% of calories) to avoid gluconeogenesis |
| Carb Limit | Keep net carbs below 20-50 grams per day to stay in ketosis |
| Organic and Grass-Fed | Prioritize organic, grass-fed, and non-GMO foods for optimal health |
| Hydration | Drink plenty of water and electrolytes to support ketosis and overall health |
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What You'll Learn
- High-Fat Foods: Avocado, nuts, seeds, olive oil, coconut oil, butter, and ghee
- Low-Carb Vegetables: Spinach, kale, broccoli, cauliflower, zucchini, and bell peppers
- Quality Proteins: Grass-fed meats, wild-caught fish, free-range poultry, and eggs
- Dairy Options: Cheese, cream, Greek yogurt, and full-fat milk (if tolerated)
- Keto Snacks: Hard-boiled eggs, cheese sticks, olives, nuts, and dark chocolate (90%+)
High-Fat Foods: Avocado, nuts, seeds, olive oil, coconut oil, butter, and ghee
When following a keto diet as recommended by Dr. Berg, incorporating high-fat foods is essential to maintain ketosis and ensure your body has the necessary fuel. Avocado is a cornerstone of this category, offering healthy monounsaturated fats, fiber, and essential nutrients like potassium and vitamin K. It’s versatile and can be added to salads, smoothies, or simply enjoyed with a sprinkle of salt. Aim to include half to a full avocado daily to meet your fat intake goals while keeping carbs low.
Nuts and seeds are another excellent source of healthy fats, but portion control is key due to their carb content. Almonds, macadamia nuts, walnuts, and pumpkin seeds are particularly keto-friendly, as they are low in carbs and high in fats. For example, macadamia nuts contain over 75% fat, making them an ideal snack. However, avoid cashews and pistachios, as they are higher in carbs. Dr. Berg often recommends nut butters like almond or macadamia butter, but always check for added sugars. Incorporate a small handful of nuts or seeds daily to boost your fat intake without exceeding your carb limit.
Olive oil and coconut oil are staple fats in the keto diet, each offering unique benefits. Olive oil is rich in monounsaturated fats and antioxidants, making it perfect for cold dishes like salads or drizzling over vegetables. Coconut oil, on the other hand, is high in medium-chain triglycerides (MCTs), which are quickly converted into ketones for energy. Use coconut oil for cooking at higher temperatures or add it to coffee or smoothies for a quick energy boost. Both oils should be consumed liberally to meet your fat macros.
Butter and ghee are excellent sources of saturated fats and add rich flavor to keto meals. Butter is a great option for cooking, baking, or spreading on low-carb vegetables like broccoli or asparagus. Ghee, a clarified butter, is lactose-free and has a higher smoke point, making it ideal for high-heat cooking. Dr. Berg emphasizes the importance of choosing grass-fed butter or ghee to ensure higher levels of conjugated linoleic acid (CLA) and other beneficial nutrients. Incorporate these fats generously to enhance satiety and keep your body in ketosis.
Incorporating these high-fat foods—avocado, nuts, seeds, olive oil, coconut oil, butter, and ghee—into your keto diet ensures you meet your fat requirements while keeping carbs minimal. Dr. Berg stresses the importance of prioritizing quality fats to support overall health and energy levels. Experiment with these foods in various meals to keep your diet diverse and enjoyable while staying aligned with keto principles.
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Low-Carb Vegetables: Spinach, kale, broccoli, cauliflower, zucchini, and bell peppers
When following a keto diet, incorporating low-carb vegetables is essential to maintain a state of ketosis while ensuring you get vital nutrients. Spinach is a top choice due to its high nutrient density and low carbohydrate content. It’s rich in vitamins A, C, and K, as well as iron and magnesium. Spinach can be enjoyed raw in salads, sautéed with olive oil and garlic, or blended into smoothies for a nutrient boost without spiking your carb intake. Similarly, kale is another nutrient powerhouse, packed with antioxidants and fiber. It’s versatile and can be used in salads, chips (baked with olive oil and salt), or as a base for keto-friendly wraps.
Broccoli and cauliflower are cruciferous vegetables that are staples in a keto diet. Both are low in carbs and high in fiber, making them ideal for keeping you full and satisfied. Broccoli can be steamed, roasted, or stir-fried, while cauliflower is incredibly versatile—it can be riced, mashed, or even turned into a low-carb pizza crust. These vegetables also provide essential vitamins like C and K, as well as folate, which supports overall health.
Zucchini is another excellent low-carb vegetable that’s perfect for keto dieters. With only about 3 grams of net carbs per cup, it’s a great substitute for higher-carb ingredients. Zucchini can be spiralized into "zoodles" as a pasta alternative, sliced into chips, or stuffed with keto-friendly fillings like ground meat and cheese. Its mild flavor makes it easy to incorporate into a variety of dishes without overpowering other ingredients.
Bell peppers are a colorful addition to any keto meal plan, offering a crunchy texture and a sweet, slightly tangy flavor. They are low in carbs, with only about 6 grams of net carbs per cup, and are rich in vitamin C and antioxidants. Bell peppers can be stuffed with keto-friendly ingredients like cheese and avocado, sliced for dipping in guacamole, or added to stir-fries and salads. Their vibrant colors also make dishes more visually appealing, encouraging a diverse and enjoyable keto diet.
Incorporating these low-carb vegetables—spinach, kale, broccoli, cauliflower, zucchini, and bell peppers—into your keto diet ensures you stay within your macronutrient goals while reaping the benefits of essential vitamins, minerals, and fiber. Dr. Berg often emphasizes the importance of these vegetables for their ability to support ketosis, improve digestion, and provide sustained energy. Experiment with different cooking methods and recipes to keep your meals exciting and nutritious.
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Quality Proteins: Grass-fed meats, wild-caught fish, free-range poultry, and eggs
When following a keto diet, as recommended by Dr. Berg, prioritizing quality proteins is essential for maintaining muscle mass, supporting ketosis, and ensuring overall health. Grass-fed meats are a cornerstone of this category. Unlike conventionally raised livestock, grass-fed animals are not fed grain or antibiotics, resulting in meat that is higher in omega-3 fatty acids, conjugated linoleic acid (CLA), and essential nutrients like vitamins A and E. Opt for cuts like ribeye, sirloin, ground beef, or lamb, ensuring they are sourced from 100% grass-fed animals. These meats not only provide high-quality protein but also align with the keto diet's emphasis on nutrient density and healthy fats.
Wild-caught fish is another excellent protein source for keto dieters. Fish like salmon, mackerel, sardines, and trout are rich in omega-3 fatty acids, which support brain health and reduce inflammation. Wild-caught varieties are superior to farm-raised fish because they contain fewer toxins and higher levels of beneficial nutrients. Incorporate these fish into your meals 2-3 times per week to meet your protein needs while staying within your carb limits. Canned wild-caught fish, such as sardines or salmon, are convenient options for quick keto-friendly meals.
Free-range poultry, including chicken and turkey, is another quality protein option. Free-range birds are allowed to roam and forage naturally, resulting in meat that is leaner and richer in nutrients compared to their caged counterparts. Focus on dark meat cuts like thighs and legs, as they are higher in fat and more keto-friendly than white meat. Always choose organic, free-range options to avoid antibiotics, hormones, and unnatural feed that can compromise the quality of the protein.
Eggs are a versatile and affordable protein source that Dr. Berg highly recommends for the keto diet. Opt for pasture-raised or free-range eggs, as they come from chickens that have access to a natural diet, resulting in eggs with higher levels of omega-3s, vitamin D, and antioxidants. Eggs are incredibly versatile—enjoy them scrambled, boiled, fried in healthy fats like butter or avocado oil, or as part of keto-friendly dishes like frittatas or omelets. Incorporating whole eggs, including the yolks, ensures you get the full spectrum of nutrients they offer.
Incorporating these quality proteins into your keto diet not only supports your nutritional needs but also enhances the sustainability of ketosis. By choosing grass-fed meats, wild-caught fish, free-range poultry, and eggs, you avoid harmful additives and maximize the intake of essential nutrients. These proteins form the foundation of a healthy keto diet, as advocated by Dr. Berg, ensuring you stay satisfied, energized, and aligned with your health goals. Always read labels and source your proteins from reputable suppliers to guarantee their quality and alignment with keto principles.
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Dairy Options: Cheese, cream, Greek yogurt, and full-fat milk (if tolerated)
When following a keto diet as outlined by Dr. Berg, dairy options play a crucial role in providing healthy fats and essential nutrients while keeping carbohydrate intake low. Cheese is a staple in the keto diet due to its high fat and protein content, with minimal carbs. Opt for hard cheeses like cheddar, Swiss, or Parmesan, as they are lower in lactose compared to soft cheeses. These cheeses can be enjoyed in moderation as snacks, added to salads, or used in cooking to enhance flavor without disrupting ketosis. Always check labels to ensure no added sugars or fillers are present.
Cream is another excellent dairy option for keto dieters, as it is rich in fat and virtually carb-free. Heavy whipping cream or full-fat coconut cream can be used in coffee, smoothies, or as a base for keto-friendly sauces and desserts. Dr. Berg emphasizes the importance of choosing organic, high-quality cream to avoid additives and ensure maximum nutritional benefit. Incorporating cream into your diet helps increase fat intake, which is essential for maintaining ketosis and providing sustained energy.
Greek yogurt is a fantastic dairy choice for those on a keto diet, provided it is unsweetened and full-fat. Unlike regular yogurt, Greek yogurt is strained to remove excess whey, resulting in a thicker consistency and higher protein content. A typical serving (about 1/2 cup) contains around 5-8 grams of carbs, making it a moderate option. To keep it keto-friendly, avoid flavored varieties and instead add your own low-carb sweeteners like stevia or erythritol, along with nuts or seeds for added crunch and healthy fats.
Full-fat milk, if tolerated, can be included in a keto diet, but it should be consumed in smaller quantities due to its higher carb content compared to other dairy options. A cup of whole milk contains approximately 12-13 grams of carbs, primarily from lactose. If you choose to include milk, consider using it sparingly in coffee or tea, or opt for unsweetened almond or coconut milk as lower-carb alternatives. Dr. Berg advises listening to your body and avoiding milk if it causes digestive issues or stalls progress.
Incorporating these dairy options into your keto diet can enhance both flavor and nutritional value. However, it’s essential to monitor portion sizes and choose high-quality, organic products whenever possible. Dairy can be a great source of calcium, vitamin D, and conjugated linoleic acid (CLA), which supports fat loss and overall health. Always prioritize your individual tolerance and dietary goals when selecting dairy products to ensure they align with your keto journey.
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Keto Snacks: Hard-boiled eggs, cheese sticks, olives, nuts, and dark chocolate (90%+)
When following a keto diet, as recommended by Dr. Berg, it’s essential to choose snacks that are low in carbs, high in healthy fats, and moderate in protein. Hard-boiled eggs are a perfect keto-friendly snack because they are packed with protein and healthy fats while containing virtually no carbs. They are easy to prepare in advance and can be seasoned with salt, pepper, or a sprinkle of turmeric for added health benefits. Hard-boiled eggs also help stabilize blood sugar levels, making them an excellent choice for maintaining ketosis.
Cheese sticks are another convenient and nutritious keto snack option. They are high in fat and protein, with minimal carbs, making them ideal for the keto diet. Opt for full-fat, natural cheese sticks without added sugars or preservatives. Cheese is also rich in calcium and other essential nutrients, supporting bone health while keeping you satiated between meals. Pairing cheese sticks with a few olives can add a burst of flavor and healthy fats, as olives are low in carbs and rich in monounsaturated fats, which are heart-healthy.
Nuts are a go-to keto snack, but portion control is key due to their calorie density. Almonds, macadamia nuts, and walnuts are excellent choices because they are low in carbs and high in healthy fats. Avoid sweetened or flavored nuts, as they often contain added sugars. Dr. Berg emphasizes the importance of choosing raw or dry-roasted nuts without additives. Nuts also provide fiber and essential minerals, making them a nutritious snack that supports overall health while keeping you in ketosis.
For those with a sweet tooth, dark chocolate (90%+ cocoa) is a keto-approved treat. High-quality dark chocolate with minimal added sugar is rich in antioxidants and healthy fats, making it a guilt-free indulgence. However, moderation is crucial, as even a small portion can add up in calories. Pairing a square of dark chocolate with a handful of nuts can create a satisfying and balanced keto snack. Always check the label to ensure the chocolate fits within your daily carb limit.
Incorporating these snacks—hard-boiled eggs, cheese sticks, olives, nuts, and dark chocolate—into your keto diet ensures variety and adherence to Dr. Berg’s principles. These options are not only low in carbs but also rich in nutrients and healthy fats, supporting ketosis and overall well-being. Preparation and mindful portioning are key to making these snacks work seamlessly within your keto lifestyle.
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Frequently asked questions
Dr. Berg recommends high-fat, low-carb foods like avocados, grass-fed meats, fatty fish (e.g., salmon), nuts, seeds, olive oil, coconut oil, and non-starchy vegetables such as spinach, kale, and broccoli.
Yes, Dr. Berg allows full-fat dairy products like butter, cheese, and heavy cream, but advises avoiding low-fat or processed dairy options due to added sugars and carbs.
Dr. Berg emphasizes low-carb, nutrient-dense vegetables like leafy greens (spinach, arugula), cruciferous vegetables (cauliflower, Brussels sprouts), zucchini, and asparagus.
Dr. Berg suggests small portions of low-sugar fruits like berries (strawberries, raspberries, blackberries), avocados, and occasionally olives, as they fit within the keto carb limit.
Dr. Berg recommends keto-friendly snacks like hard-boiled eggs, cheese cubes, mixed nuts (almonds, macadamia), olives, and celery sticks with cream cheese.
