Here is a list of foods that need to be reduced or eliminated on a ketogenic diet:
- Sugary foods: Soda, fruit juice, smoothies, cake, ice cream, candy, etc.
- Grains or starches: Wheat-based products, rice, pasta, cereal, etc.
- Fruit: All fruit, except small portions of berries like strawberries.
- Beans or legumes: Peas, kidney beans, lentils, chickpeas, etc.
- Root vegetables and tubers: Potatoes, sweet potatoes, carrots, parsnips, etc.
- Low-fat or diet products: These are highly processed and often high in carbs.
- Some condiments or sauces: These often contain sugar and unhealthy fat.
- Unhealthy fats: Limit your intake of processed vegetable oils, mayonnaise, etc.
- Alcohol: Due to their carb content, many alcoholic beverages can throw you out of ketosis.
- Sugar-free diet foods: These are often high in sugar alcohols, which can affect ketone levels in some cases. These foods also tend to be highly processed.
- Trail mixes with dried fruit
- Sweetened nut or seed butters
- Chocolate-covered nuts
- Agave
- Honey
- Maple syrup
- White and brown sugars
- Barbecue sauce
- Ketchup
- Honey mustard
- Soda
- Fruit juice
- Lemonade
The following are some of the best foods to eat on the keto diet, along with their serving sizes and an explanation of why they’re good for people following this eating approach.
Avocado Oil
Per 1 tablespoon (tbsp) serving: 124 calories, 0g net carbs, 0g protein, 14g fat
Benefits: This is a good source of heart-healthy monounsaturated fatty acids.
Canola Oil
Per 1 tbsp serving: 124 calories, 0g net carbs, 0g protein, 14g fat
Benefits: Research has shown that consumption of canola oil can reduce total and bad cholesterol.
Coconut Oil
Per 1 tbsp serving: 116 calories, 0g net carbs, 0g protein, 14g fat
Benefits: While high in saturated fat, coconut oil may increase “good” HDL cholesterol levels.
MCT Oil
Per 1 tbsp serving: 115 calories, 0g net carbs, 0g protein, 14g fat
Benefits: Derived from coconut, MCT stands for medium-chain triglycerides. Limited research suggests MCT oil may aid in weight loss and help promote ketosis.
Butter
Per 1 tbsp serving: 100 calories, 0g net carbs, 0g protein, 11g fat
Benefits: Though the serving provides 11g of saturated fat, research has found that butter wasn’t a major factor in increasing risk of chronic conditions, like heart disease or diabetes.
Cheddar Cheese
Per 1 slice serving: 113 calories, 0g net carbs, 7g protein, 9g fat
Benefits: Cheese is allowed as you please, but cheddar is a good example of its nutrition stats. One study found that cheese eaters had a 12 percent lower risk of type 2 diabetes. (5)
Heavy Cream
Per 1 tbsp serving: 52 calories, 0g net carbs, 0g protein, 5g fat
Benefits: This is an easy way to add calories and fat into a ketogenic diet.
Bacon
Per 1 slice serving: 43 calories, 0g net carbs, 3g protein, 3g fat
Benefits: The green light on bacon may be one reason you’re up for sticking to the diet, as it can make eating occasions more palatable. Just watch the sodium content, as it can add up quickly.
Chicken Thigh
Per 1 thigh serving: 318 calories, 0g net carbs, 32g protein, 20g fat
Benefits: Leave the skin on here for extra fat. One thigh is a good source of selenium, zinc, and B vitamins.
Eggs
Per 1 egg serving: 77 calories, 1g net carbs, 6g protein, 5g fat
Benefits: Eggs contains the perfect duo of satiating protein and fat; they’re also high in the antioxidant mineral selenium.
Ground Beef
Per 3-ounce (oz) serving (measured raw): 279 calories, 0g net carbs, 12g protein, 24g fat
Benefits: Ground beef (made with 70 percent lean meat and 30 percent fat) is a higher-fat choice — but that’s the point here. You’ll also get an excellent source of vitamin B12, which is necessary to keep energy levels up.
New York Strip Steak
Per 3-oz serving: 224 calories, 0g net carbs, 22g protein, 14g fat
Benefits: You’ll get an impressive amount of muscle-building protein plus satiating fat in this option. It’s also rich in zinc, a mineral that promotes proper thyroid functioning.
Asparagus
Per 1 cup (raw) serving: 27 calories, 2g net carbs, 3g protein, 0g fat
Benefits: Asparagus contains bone-building calcium, plus other minerals, such as potassium and magnesium, which has been linked with blood sugar regulation.
Avocado
Per ½ avocado serving: 160 calories, 2g net carbs, 2g protein, 15g fat
Benefits: The creamy fruits are packed with fiber, something that you may lack on the keto diet. They also are an excellent source of immune-revving vitamin C.
Bok Choy
Per 1 cup (shredded) serving: 9 calories, 1g net carbs, 1g protein, 0g fat
Benefits: Chinese cabbage is a rich source of vitamins A and C, plus offers some calcium and energy-revving iron.
Cauliflower
Per 1 cup (raw) serving: 25 calories, 2g net carbs, 2g protein, 0g fat
Benefits: Provides more than three-quarters of your vitamin C quota in a day; with 3 g of fiber, it's also a good source of the heart-healthy nutrient.
Celery
Per 1 cup (raw) serving: 16 calories, 1g net carbs, 1g protein, 0g fat
Benefits: Celery is one of the most hydrating veggies out there. These crunchy spears also contain vitamins A and K, and folate.
Cucumber
Per ½ cup (slices) serving: 8 calories, 2g net carbs, 0g protein, 0g fat
Benefits: Cukes are high in water, making them a hydrating choice. They’re also a surprisingly good source of vitamin K, a vitamin important for proper blood clotting and bone formation.
Green Peppers
Per 1 cup (sliced) serving: 18 calories, 2g net carbs, 1g protein, 0g fat
Benefits: Along with more than a day’s requirements for vitamin C, they’re also a good source of vitamin B6, which plays a role in more than 100 enzyme reactions in the body.
Lettuce
Per 1 cup (shredded) serving: 5 calories, 1g net carbs, 0g protein, 0g fat
Benefits: Leafy greens can add bulk to your meals for very few calories, as well as skin-strengthening vitamin A and vitamin C.
Mushrooms
Per 1 cup (raw) serving: 15 calories, 1g net carbs, 2g protein, 0g fat
Benefits: Mushrooms are known for their potential immune-boosting properties, as one study suggested. They’re also an excellent source of B vitamins.
Zucchini
Per 1 cup (sliced, raw) serving: 18 calories, 3g net carbs, 1g protein, 0g fat
Benefits: This is a great way to sneak in additional fiber, and the veggie also offers a good source of manganese, a mineral that helps form bone and aids in blood sugar control.