Navigating the ketogenic diet can be a delicious adventure, especially when you know what foods fit the bill. At FOODS.EDU.VN, we provide expert guidance on incorporating healthy fats, moderate protein, and very low carbohydrates into your meals. Discover how to achieve ketosis while enjoying nutrient-rich foods and optimizing your health with our nutrition guides, low-carb recipes, and ketogenic meal plans.
1. What Exactly Is the Keto Diet and How Does It Work?
The keto diet is a high-fat, moderate-protein, and very low-carbohydrate diet designed to shift the body’s primary fuel source from glucose to ketones. This metabolic shift, known as ketosis, occurs when carbohydrate intake is drastically reduced, typically to around 20-50 grams per day.
1.1. The Science Behind Ketosis
When you significantly reduce carbohydrate intake, your body depletes its glycogen stores (stored glucose) and begins to break down stored fat into fatty acids. These fatty acids are then transported to the liver, where they are converted into ketone bodies (ketones). Ketones, such as acetoacetate, beta-hydroxybutyrate, and acetone, become the primary energy source for most cells in the body, including the brain. This metabolic adaptation can lead to weight loss, improved blood sugar control, and other potential health benefits. According to a study by the National Institutes of Health, ketosis can also have therapeutic effects on neurological conditions due to the brain’s ability to efficiently use ketones as fuel.
1.2. Historical and Modern Uses of the Keto Diet
Traditionally, the ketogenic diet was primarily used in clinical settings to manage epilepsy, particularly in children who did not respond well to medication. “Now, there is a lot of interest in the diet’s effectiveness in helping with other neurological conditions, cancer, diabetes, PCOS (polycystic ovary syndrome), obesity, high cholesterol, and cardiovascular disease,” says Emily Stone, M.S., RD, founder of Eat to Enjoy. Today, many people adopt the keto diet for its potential weight loss benefits and overall health improvements. Research published in the Journal of Clinical Endocrinology & Metabolism indicates that ketogenic diets can lead to significant reductions in body weight and improvements in metabolic markers for obese individuals.
1.3. Key Principles of a Ketogenic Diet
To successfully follow a ketogenic diet, it’s essential to understand the macronutrient ratios:
- Fat: 70-80% of daily calories
- Protein: 20-25% of daily calories
- Carbohydrates: 5-10% of daily calories
Achieving and maintaining ketosis requires careful planning and tracking of macronutrient intake. This ensures that your body remains in a state where it is primarily burning fat for fuel. foods.edu.vn offers resources and tools to help you monitor your macros and ensure you are staying on track.
2. What Foods Can You Eat Freely on the Keto Diet?
A variety of delicious and nutritious foods can be enjoyed without restriction on the keto diet, making it both sustainable and satisfying.
2.1. Fish and Seafood: A Keto-Friendly Protein Source
Fish and seafood are excellent choices for the keto diet because they are rich in protein, low in carbohydrates, and packed with essential nutrients. Fatty fish like salmon, sardines, mackerel, and tuna are particularly beneficial due to their high omega-3 fatty acid content. These omega-3s have been shown to improve hemoglobin A1c levels, a measure of blood sugar control over three months.
Fish Type | Omega-3 Content (per 3-ounce serving) | Benefits |
---|---|---|
Salmon | 1.5-2.0 grams | Improves heart health, reduces inflammation |
Sardines | 1.0-1.5 grams | Supports brain function, rich in vitamin D |
Mackerel | 1.0-1.5 grams | Enhances cognitive function, good source of selenium |
Albacore Tuna | 0.7-1.0 grams | Supports eye health, provides lean protein |
Shrimp | 0.2-0.4 grams | Contains antioxidants, low in calories |
Lobster | 0.1-0.3 grams | Rich in minerals, supports immune function |
Crab | 0.1-0.3 grams | Good source of zinc, promotes healthy skin |
Oysters | 0.4-0.6 grams | High in iron, supports energy levels |
Mussels | 0.3-0.5 grams | Rich in vitamin B12, promotes nerve health |
Clams | 0.1-0.3 grams | Good source of vitamin C, supports immune function |
Anchovies | 1.0-1.5 grams | Rich in calcium, supports bone health |
Herring | 1.0-1.5 grams | Supports cardiovascular health, provides vitamin D |
Trout | 0.8-1.2 grams | Supports brain health, good source of potassium |
Cod | 0.2-0.4 grams | Lean protein source, low in fat |
Haddock | 0.2-0.4 grams | Supports muscle growth, low in calories |
Pollock | 0.2-0.4 grams | Good source of selenium, supports thyroid function |
Flounder | 0.1-0.3 grams | Lean protein source, easy to digest |
Sole | 0.1-0.3 grams | Supports heart health, provides lean protein |
Halibut | 0.5-0.7 grams | Good source of magnesium, supports muscle function |
Snapper | 0.2-0.4 grams | Supports eye health, provides lean protein |
Swordfish | 0.7-1.0 grams | Rich in vitamin D, supports bone health |
Tilefish | 0.5-0.7 grams | Good source of selenium, supports thyroid function |
Grouper | 0.2-0.4 grams | Supports immune function, provides lean protein |
Monkfish | 0.2-0.4 grams | Good source of phosphorus, supports bone health |
Mahi-Mahi | 0.2-0.4 grams | Supports heart health, provides lean protein |
Yellowfin Tuna | 0.5-0.7 grams | Rich in vitamin D, supports bone health |
Sablefish | 1.0-1.5 grams | Supports cardiovascular health, provides vitamin D |
Jack Mackerel | 1.0-1.5 grams | Rich in calcium, supports bone health |
Bluefish | 1.0-1.5 grams | Supports cardiovascular health, provides vitamin D |
Pompano | 0.5-0.7 grams | Good source of magnesium, supports muscle function |
Spanish Mackerel | 1.0-1.5 grams | Rich in calcium, supports bone health |
Frequent fish intake is also linked to a decreased risk of chronic disease and improved mental health. Aim to eat at least two 3-ounce servings of fatty fish weekly.
:max_bytes(150000):strip_icc()/291245-complete-keto-diet-EWL-food-list-what-you-can-and-cannot-eat-if-youre-on-a-ketogenic-diet-hero-3×2-726ab3875a2840dbb14f5c97bdbecf7e.jpg)
2.2. Low-Carb Vegetables: Essential for Nutrients and Fiber
Non-starchy vegetables are low in calories and carbs but high in essential nutrients like vitamin C and various minerals. They also contain antioxidants that help protect against cell-damaging free radicals. Aim for non-starchy vegetables with less than 8 grams of net carbs per cup. Net carbs are calculated by subtracting fiber from total carbohydrates.
Vegetable | Net Carbs per Cup (grams) | Benefits |
---|---|---|
Spinach | 1 | Rich in iron, vitamins A and K |
Kale | 4 | High in vitamins C and K, antioxidants |
Broccoli | 6 | Good source of fiber, vitamins C and K |
Cauliflower | 5 | Versatile, low-carb alternative to rice and potatoes |
Zucchini | 3 | Mild flavor, good source of vitamin C |
Bell Peppers | 6 | High in vitamin C, antioxidants |
Asparagus | 2 | Good source of folate, vitamins A and K |
Green Beans | 4 | Good source of fiber, vitamins A and C |
Brussels Sprouts | 5 | High in fiber, vitamins C and K |
Cabbage | 5 | Good source of vitamin C, fiber |
Lettuce | 1 | Low in calories, hydrating |
Cucumber | 2 | Hydrating, low in calories |
Celery | 2 | Low in calories, hydrating |
Radishes | 2 | Good source of vitamin C, fiber |
Mushrooms | 2 | Rich in B vitamins, antioxidants |
Avocado | 2 | Healthy fats, potassium |
Olives | 1 | Healthy fats, antioxidants |
Eggplant | 5 | Good source of fiber, antioxidants |
Bok Choy | 2 | Rich in vitamins A and C, antioxidants |
Swiss Chard | 1 | High in vitamins A, C, and K |
Arugula | 1 | Peppery flavor, rich in vitamins A and K |
Endive | 2 | Slightly bitter flavor, good source of fiber |
Watercress | 0.5 | Nutrient-dense, high in vitamins A and C |
Turnip Greens | 3 | High in vitamins A, C, and K |
Collard Greens | 4 | Good source of calcium, vitamins A, C, and K |
Leeks | 3 | Adds flavor, good source of vitamins A and C |
Scallions | 3 | Adds flavor, good source of vitamins A and C |
Shallots | 5 | Adds flavor, good source of vitamins A and C |
Okra | 4 | Good source of fiber, vitamins C and K |
Jicama | 5 | Crunchy texture, good source of fiber |
Kohlrabi | 5 | Mild, sweet flavor, good source of vitamin C |
Daikon Radish | 4 | Sharp, peppery flavor, low in calories |
Spaghetti Squash | 4 | Low-carb alternative to pasta, good source of fiber |
Butternut Squash | 10 | Rich in vitamins A and C, antioxidants |
Acorn Squash | 11 | Good source of fiber, vitamins A and C |
Pumpkin | 7 | Rich in vitamins A and C, antioxidants |
Artichokes | 7 | High in fiber, antioxidants |
Hearts of Palm | 2 | Low in calories, good source of fiber |
Bamboo Shoots | 3 | Crunchy texture, low in calories |
Snow Peas | 4 | Good source of vitamins A and C, fiber |
Sugar Snap Peas | 5 | Sweet flavor, good source of vitamins A and C |
Mung Bean Sprouts | 3 | Crunchy texture, low in calories |
Bean Sprouts | 2 | Low in calories, hydrating |
Radicchio | 3 | Bitter flavor, good source of fiber |
Frisee | 1 | Slightly bitter flavor, good source of fiber |
Chicory | 2 | Bitter flavor, good source of fiber |
Seaweed | 1 | Rich in minerals, supports thyroid function |
:max_bytes(150000):strip_icc()/291245-complete-keto-diet-EWL-food-list-what-you-can-and-cannot-eat-if-youre-on-a-ketogenic-diet-Low-Carb-Veggies-fa0e3dd3fcb54216969d6c4bc2eca6b0.jpg)
2.3. Cheese: A Delicious and Convenient Keto Staple
Cheese is a great fit for the ketogenic diet due to its zero-carbohydrate content and high-fat composition. It is also rich in protein and calcium.
Cheese Type | Carbs per Ounce (grams) | Fat per Ounce (grams) | Protein per Ounce (grams) | Benefits |
---|---|---|---|---|
Cheddar | 1 | 9 | 7 | Good source of calcium, vitamin D |
Mozzarella | 1 | 6 | 6 | Versatile, good source of calcium |
Cream Cheese | 1 | 9 | 2 | High in fat, adds creamy texture |
Blue Cheese | 1 | 8 | 6 | Distinct flavor, good source of calcium |
Parmesan | 1 | 7 | 10 | Rich in protein, adds flavor |
Swiss | 1 | 8 | 8 | Good source of calcium, mild flavor |
Provolone | 1 | 7 | 7 | Versatile, good source of calcium |
Gouda | 1 | 8 | 7 | Slightly sweet flavor, good source of calcium |
Brie | 0.5 | 8 | 6 | Creamy texture, mild flavor |
Feta | 1 | 6 | 4 | Tangy flavor, good source of calcium |
Monterey Jack | 1 | 9 | 7 | Mild flavor, good source of calcium |
Colby | 1 | 8 | 7 | Mild flavor, good source of calcium |
Havarti | 1 | 9 | 7 | Creamy texture, mild flavor |
Muenster | 1 | 8 | 7 | Mild flavor, good source of calcium |
Ricotta (Whole Milk) | 3 | 6 | 4 | Creamy texture, good source of calcium |
Mascarpone | 1 | 12 | 1 | Rich and creamy, high in fat |
Halloumi | 1 | 7 | 7 | High melting point, good for grilling |
Gruyere | 1 | 8 | 8 | Nutty flavor, good melting cheese |
Fontina | 1 | 9 | 7 | Nutty flavor, good melting cheese |
Pecorino Romano | 1 | 9 | 10 | Salty, sharp flavor, good source of calcium |
Gorgonzola | 1 | 8 | 6 | Pungent flavor, good source of calcium |
Roquefort | 1 | 8 | 6 | Sharp, salty flavor, good source of calcium |
Edam | 1 | 8 | 7 | Mild, nutty flavor, good source of calcium |
Emmental | 1 | 8 | 8 | Nutty, slightly fruity flavor, good melting cheese |
Manchego | 1 | 9 | 7 | Nutty, caramel-like flavor, good source of calcium |
Port Salut | 1 | 9 | 7 | Mild, slightly tangy flavor, good source of calcium |
Taleggio | 1 | 8 | 6 | Strong, fruity flavor, good melting cheese |
Vacherin | 1 | 9 | 6 | Rich, creamy flavor, good melting cheese |
Limburger | 1 | 8 | 6 | Strong, pungent flavor, good source of calcium |
Cheshire | 1 | 8 | 7 | Mild, slightly tangy flavor, good source of calcium |
While cheese is a keto-friendly option, moderation is key due to its saturated fat content.
2.4. Plain Greek Yogurt and Cottage Cheese: High-Protein Dairy Options
Yogurt and cottage cheese are high in protein and calcium-rich. They can be included in a ketogenic diet if you choose higher-fat, plain varieties and monitor your carbohydrate intake.
Dairy Product | Carbs per Serving (grams) | Protein per Serving (grams) | Fat per Serving (grams) | Benefits |
---|---|---|---|---|
Plain Greek Yogurt (7 oz) | 8 | 20 | 0-5 | High in protein, probiotic benefits |
Cottage Cheese (8 oz) | 6 | 28 | 1-5 | High in protein, good source of calcium |
Full-Fat Yogurt (7 oz) | 8 | 8 | 8-12 | Provides healthy fats, probiotic benefits |
Full-Fat Cottage Cheese (8 oz) | 6 | 25 | 10-15 | Provides healthy fats, good source of calcium |
Kefir (1 cup) | 7-12 | 9-11 | 2-3 | Probiotic benefits, good source of calcium |
Sour Cream (2 tbsp) | 2 | 1 | 5 | Adds creamy texture, good source of calcium |
Increasing protein intake can help reduce appetite-stimulating hormones, helping you feel fuller for longer. Choosing higher-fat yogurts and cottage cheese can help keep you full even longer. In addition, yogurt and cottage cheese add gut-loving bacteria to your intestines. Just be sure you’re also including fruits and veggies to feed those bacteria and help them thrive.
2.5. Avocados: A Heart-Healthy Fat Source
Avocados are a fantastic addition to the keto diet due to their high monounsaturated fat content and potassium. Half of a medium avocado contains about 6 grams of total carbohydrates, 4.5 grams of which are fiber, resulting in only 1.5 grams of net carbs. It also provides around 360 milligrams of potassium, about 8% of your daily needs.
Nutrient | Amount per Half Avocado | Daily Value (%) | Benefits |
---|---|---|---|
Calories | 160 | N/A | Provides energy |
Total Fat | 15 grams | 23% | Supports hormone production, nutrient absorption |
Monounsaturated Fat | 10 grams | N/A | Improves heart health |
Polyunsaturated Fat | 2 grams | N/A | Supports brain function |
Saturated Fat | 2 grams | 10% | Provides energy |
Carbohydrates | 9 grams | 3% | Provides energy (primarily from fiber) |
Fiber | 7 grams | 28% | Promotes digestive health, helps regulate blood sugar |
Net Carbs | 2 grams | N/A | Suitable for keto diet |
Protein | 2 grams | 4% | Supports muscle growth and repair |
Potassium | 485 mg | 10% | Helps regulate blood pressure, supports muscle function |
Vitamin K | 14 mcg | 12% | Supports blood clotting, bone health |
Vitamin C | 6 mg | 10% | Boosts immune system, antioxidant properties |
Folate | 82 mcg | 21% | Supports cell growth and function |
Magnesium | 22 mg | 6% | Supports muscle and nerve function, energy production |
Vitamin B6 | 0.2 mg | 10% | Supports brain development and function |
Swapping animal fats for plant fats like avocados can help reduce the risk of cardiovascular disease and type 2 diabetes.
:max_bytes(150000):strip_icc()/291245-complete-keto-diet-EWL-food-list-what-you-can-and-cannot-eat-if-youre-on-a-ketogenic-diet-Avocados-fa4b0b01cb314d9fa2bf6ff7657ee3f2.jpg)
2.6. Meat and Poultry: Staple Protein Sources
Meat and poultry are excellent sources of lean protein and are considered staples on the ketogenic diet. Fresh meat and poultry contain no carbohydrates and are rich in B vitamins and several minerals, including potassium, selenium, and zinc.
Meat/Poultry Type | Protein per 3 oz Serving (grams) | Fat per 3 oz Serving (grams) | Carbs per 3 oz Serving (grams) | Benefits |
---|---|---|---|---|
Chicken Breast | 26 | 3 | 0 | Lean protein, rich in B vitamins |
Chicken Thigh | 25 | 13 | 0 | Higher fat content, rich in iron |
Turkey Breast | 25 | 2 | 0 | Lean protein, rich in selenium |
Ground Beef (90% Lean) | 22 | 8 | 0 | Good source of iron, zinc |
Steak (Sirloin) | 26 | 8 | 0 | Rich in protein, iron |
Pork Loin | 26 | 6 | 0 | Lean protein, rich in thiamine |
Bacon | 10 | 30 | 0 | High in fat, adds flavor |
Ham | 14 | 4 | 0 | Good source of protein, but can be high in sodium |
Lamb | 25 | 19 | 0 | Rich in iron, zinc |
Duck | 19 | 28 | 0 | High in fat, rich in iron |
Veal | 29 | 5 | 0 | Lean protein, rich in B vitamins |
Venison | 31 | 3 | 0 | Lean protein, rich in iron |
Rabbit | 33 | 6 | 0 | Lean protein, rich in B vitamins |
Goose | 25 | 32 | 0 | High in fat, rich in iron |
Quail | 24 | 12 | 0 | Good source of protein, iron |
Pheasant | 26 | 11 | 0 | Lean protein, rich in B vitamins |
Bison | 25 | 5 | 0 | Lean protein, rich in iron |
Ostrich | 29 | 3 | 0 | Lean protein, rich in iron |
Emu | 30 | 2 | 0 | Lean protein, rich in iron |
Organ Meats (Liver) | 20 | 5 | 3 | High in vitamins and minerals |
Organ Meats (Kidney) | 26 | 3 | 0 | High in vitamins and minerals |
Organ Meats (Heart) | 22 | 5 | 0 | High in vitamins and minerals |
Salami | 14 | 27 | 2 | High in fat, adds flavor |
Pepperoni | 13 | 27 | 2 | High in fat, adds flavor |
Sausage | 14 | 28 | 2 | High in fat, adds flavor |
Prosciutto | 14 | 14 | 0 | Good source of protein, but can be high in sodium |
While processed meats, like bacon and sausage, are allowed on keto, they aren’t the best for your heart and may raise your risk of certain types of cancer. Choose chicken, fish, and beef more often and limit processed meats.
2.7. Eggs: A Versatile and Nutrient-Dense Choice
Eggs are high in protein, B vitamins, minerals, and antioxidants. Two large eggs contain zero carbohydrates and over 12 grams of protein.
Nutrient | Amount per 2 Large Eggs | Daily Value (%) | Benefits |
---|---|---|---|
Calories | 140 | N/A | Provides energy |
Total Fat | 10 grams | 15% | Supports hormone production, nutrient absorption |
Saturated Fat | 3 grams | 15% | Provides energy |
Cholesterol | 372 mg | 124% | Supports cell structure, hormone production |
Protein | 12 grams | 24% | Supports muscle growth and repair |
Carbohydrates | 1 gram | 0% | Provides energy (primarily from fiber) |
Fiber | 0 grams | 0% | Promotes digestive health |
Net Carbs | 1 gram | N/A | Suitable for keto diet |
Vitamin D | 82 IU | 21% | Supports bone health, immune function |
Vitamin B12 | 1 mcg | 42% | Supports nerve function, red blood cell production |
Riboflavin | 0.5 mg | 42% | Supports energy production, cell function |
Folate | 47 mcg | 12% | Supports cell growth and function |
Iron | 1.7 mg | 9% | Supports oxygen transport |
Zinc | 1 mg | 9% | Supports immune function, wound healing |
Selenium | 28 mcg | 50% | Antioxidant, supports thyroid function |
Lutein | 326 mcg | N/A | Supports eye health, antioxidant properties |
Zeaxanthin | 27 mcg | N/A | Supports eye health, antioxidant properties |
Choline | 294 mg | 57% | Supports brain health, liver function |
Eggs promote feelings of fullness and contain antioxidants such as lutein and zeaxanthin, which help protect eye health.
2.8. Nuts, Seeds, and Healthy Oils: Essential Fat Sources
Nuts and seeds are full of healthy polyunsaturated and monounsaturated fats, fiber, and protein. They are also very low in net carbs.
Nut/Seed Type | Net Carbs per 1 oz (grams) | Total Carbs per 1 oz (grams) | Fiber per 1 oz (grams) | Benefits |
---|---|---|---|---|
Almonds | 3 | 6 | 3 | Good source of vitamin E, magnesium |
Brazil Nuts | 1 | 3 | 2 | Rich in selenium |
Cashews | 8 | 9 | 1 | Lower in fat compared to other nuts |
Macadamia Nuts | 2 | 4 | 2 | High in monounsaturated fats |
Pecans | 1 | 4 | 3 | Good source of antioxidants |
Pistachios | 5 | 8 | 3 | Good source of vitamin B6, potassium |
Walnuts | 2 | 4 | 2 | Rich in omega-3 fatty acids |
Chia Seeds | 2 | 12 | 10 | High in fiber, omega-3 fatty acids |
Flaxseeds | 0 | 8 | 8 | High in fiber, omega-3 fatty acids |
Pumpkin Seeds | 1 | 3 | 2 | Good source of zinc, magnesium |
Sesame Seeds | 3 | 7 | 4 | Good source of calcium, iron |
Sunflower Seeds | 4 | 7 | 3 | Good source of vitamin E, selenium |
Hemp Seeds | 2 | 3 | 1 | Complete protein source, rich in omega-3 and omega-6 fatty acids |
Pine Nuts | 3 | 4 | 1 | Good source of vitamin E, zinc |
Hazelnuts | 2 | 5 | 3 | Good source of vitamin E, manganese |
Coconut Flakes | 2 | 5 | 3 | High in fiber, healthy fats |
Almond Butter | 3 | 6 | 3 | Good source of protein, vitamin E |
Peanut Butter | 6 | 7 | 1 | Good source of protein, but can be high in carbs |
Cashew Butter | 8 | 9 | 1 | Creamy texture, good source of minerals |
Macadamia Butter | 2 | 4 | 2 | High in monounsaturated fats |
Pecan Butter | 1 | 4 | 3 | Good source of antioxidants |
Sunflower Butter | 4 | 7 | 3 | Good source of vitamin E, selenium |
Tahini (Sesame Seed Butter) | 3 | 7 | 4 | Good source of calcium, iron |
Brazil Nut Butter | 1 | 3 | 2 | Rich in selenium |
Hazelnut Butter | 2 | 5 | 3 | Good source of vitamin E, manganese |
Olive oil and coconut oil are the two oils most recommended on the keto diet. Olive oil is high in oleic acid and is associated with a lower risk of heart disease. Coconut oil is high in saturated fat but contains medium-chain triglycerides (MCTs), which can increase ketone production. MCTs may increase metabolic rate and promote the loss of weight and belly fat too. Be sure to measure portion sizes when consuming any healthy fat.
:max_bytes(150000):strip_icc()/291245-complete-keto-diet-EWL-food-list-what-you-can-and-cannot-eat-if-youre-on-a-ketogenic-diet-Nuts-c5125350d8b043908e1a8bf19dbd2e73.jpg)
2.9. Berries: Antioxidant-Rich Fruits
Berries are rich in antioxidants that reduce inflammation and protect against disease. They are relatively low in carbs and high in fiber compared to other fruits.
Berry Type | Net Carbs per 1/2 Cup (grams) | Total Carbs per 1/2 Cup (grams) | Fiber per 1/2 Cup (grams) | Benefits |
---|---|---|---|---|
Blackberries | 3 | 7 | 4 | Rich in antioxidants, vitamin C |
Blueberries | 9 | 11 | 2 | High in antioxidants, vitamin K |
Raspberries | 3 | 7 | 4 | Rich in antioxidants, manganese |
Strawberries | 3 | 6 | 3 | High in vitamin C, antioxidants |
Cranberries | 4 | 6 | 2 | Supports urinary tract health, rich in antioxidants |
Goji Berries | 11 | 14 | 3 | High in antioxidants, vitamins, and minerals |
Acai Berries | 2 | 3 | 1 | Rich in antioxidants, supports heart health |
Elderberries | 7 | 10 | 3 | Supports immune function, rich in antioxidants |
Mulberries | 7 | 9 | 2 | Good source of iron, antioxidants |
Lingonberries | 6 |