Can You Eat Tomatoes on the Keto Diet? Keto-Friendly Fruits Chart (2024)

  • Keto Diet
    • What is a keto diet?
  • Nutritional Value
    • What makes tomatoes a good choice for keto?
  • Keto-Friendly Fruits
    • What fruits can you eat on a keto diet?
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Can You Eat Tomatoes on the Keto Diet? Keto-Friendly Fruits Chart (1)

A medium-sized tomato contains only 4-5 grams of carbs and only 3 grams of sugar, making it fine to include in a keto diet

Tomatoes are allowed on a keto diet. Since a keto diet is high in fats and low in carbs, fruits are usually avoided as they tend to contain a significant amount of carbs per serving.

However, although tomatoes are technically a fruit, one medium-sized tomato (about 120 grams) contains only 4-5 grams of carbohydrates and only 3 grams of sugar, making it fine to include in a keto diet.

What is a keto diet?

The goal of a keto diet is to achieve ketosis, which is a metabolic state in which your body burns fat for energy instead of carbs. Restricting carbs leads to the breakdown of fats into smaller molecules called ketones, which circulate in the bloodstream and are used as fuel for the body.

  • Most keto diets require reducing total carb intake to less than 50 grams a day. This equates to about 4 slices of bread or 1 cup of cooked rice.

What makes tomatoes a good choice for keto?

Tomatoes are a great option to include in keto because they are low in carbs andrich in nutrients. A medium-sized tomato contains:

  • Fiber: 1.48 grams
  • Water: 116 grams
  • Protein: 1 gram
  • Fat: 0.25 grams
  • Calcium: 12.3 mg
  • Magnesium: 13.5 mg
  • Phosphorus: 29.5 mg
  • Potassium: 292 mg
  • Vitamin C: 16.9 mg
  • Cholesterol: None

Tomatoes contain B vitamins, folate, vitamin K, copper, zinc, and antioxidants such as lycopene, lutein, and zeaxanthin, all of which help keep the eyes, skin, heart, brain, immune system, and other organs healthy. Minerals such as potassium and magnesium help regulate blood pressure and promote a healthy heart.

Tomatoes also provide you with plenty of fiber that helps you feel full for longer, aids digestion, prevents constipation, and helps regulate blood cholesterol levels. Since tomatoes are rich in water, they also help keep the body hydrated.

The tangy and mildly sweet flavor of tomatoes can help satiate a sweet tooth, thereby minimizing sugar cravings while on a ketogenic diet.

What fruits can you eat on a keto diet?

Because most fruits are rich in carbs, they should be avoided while on a keto diet. You can, however, have small portions of low-carb fruits as long as you don’t exceed your daily carb intake.

The carb content (per 100 grams) of various fruits is listed in the below chart.

The carb content (per 100 grams) of various fruits chart
Fruits (per 100 grams)# of Carb (grams)
Tomatoes3.9
Avocados9
Berries8-15
Watermelon7.5
Cantaloupe8
Honeydew9
Peaches8
Pineapples11
Plums11
Oranges12
Lemons9
Can You Eat Tomatoes on the Keto Diet? Keto-Friendly Fruits Chart (2)

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References

Image Source: Alexander Spatari / Getty Images

Food Data Central. Tomatoes, red, ripe, raw, year round average. https://fdc.nal.usda.gov/fdc-app.html#/food-details/170457/nutrients

Harvard Health Publishing. Should you try the keto diet? https://www.health.harvard.edu/staying-healthy/should-you-try-the-keto-diet

WebMD. Low-Carb Fruits. https://www.webmd.com/diet/ss/slideshow-low-carb-fruits

Can You Eat Tomatoes on the Keto Diet? Keto-Friendly Fruits Chart (2024)

FAQs

Can You Eat Tomatoes on the Keto Diet? Keto-Friendly Fruits Chart? ›

Although technically considered a fruit, tomatoes contain much fewer carbs than other fruits. Therefore, they're considered keto-friendly, while most other fruits are not.

Which fruit is keto-friendly? ›

Keto fruits by definition are low in carbohydrates. You still need to exercise portion control with most keto-friendly fruits to be within the limits of a keto diet. Keto-friendly fruits include avocados, watermelon, strawberries, lemons, tomatoes, raspberries, peaches, cantaloupe, star fruit, and blackberries.

How much tomato can I eat on keto? ›

However, although tomatoes are technically a fruit, one medium-sized tomato (about 120 grams) contains only 4-5 grams of carbohydrates and only 3 grams of sugar, making it fine to include in a keto diet.

Can you eat tomatoes and cucumbers on keto diet? ›

Tomatoes are a nutritional powerhouse and are a perfect fit for the keto diet. Our delicious new Eclipse tomato9es only contain 25 calories and 3 grams of net carbs. Tomatoes are also packed with vitamin C for immunity and fiber for appetite control. Cucumbers are made of 90% water and are almost calorie-free.

Are bananas allowed on keto? ›

Bananas. Even though banana health benefits abound, like helping to boost heart and immune health, bananas are basically off the table when you're eating keto. Why? One medium banana contains a hefty 27 grams of carbs—eat one, and you're almost at your quota for the day.

Is popcorn keto friendly? ›

Net carbs are calculated by taking the total grams of carbohydrate in a food and subtracting the amount of fiber. In this case, popcorn contains 6 grams of carbs per 1 cup serving and 1.2 grams of fiber, bringing the net carbs per serving to 4.8 grams. Yes friends, popcorn is indeed a keto food.

Is cantaloupe keto friendly? ›

With 11.2 grams of net carbs in each cup (156 grams), cantaloupe can be incorporated into a well-planned ketogenic diet. Cantaloupe also contains folate, potassium, vitamin K, and beta carotene.

Can I eat salads on keto? ›

You can eat a variety of salads on keto, as long as they contain healthy fats and proteins and are low in carbs. Egg salad, grilled chicken salad, shrimp salad, cauliflower salad, arugula salad, cucumber salad, antipasto salad, Greek salad, Caprese salad, and spinach salad are just a few keto-friendly salads to enjoy.

What salad dressing is keto-friendly? ›

These dressings could include: traditional vinaigrettes. creamy dressings, such as blue cheese, ranch, or thousand island. dressings that the manufacturers have specifically marketed as “keto” or “low carb”

Are cucumbers okay on keto? ›

Cucumber is another popular salad vegetable. It contains many essential nutrients, including vitamin K. Cucumber is also suitable for the keto diet, as its carb content is just 3.63 g per 100 g. To make the carb content lower, a person can peel the cucumber before eating it.

Is peanut butter good for keto? ›

Peanut butter can definitely be part of a keto diet, but it's best to stick to plain options that are free of extra flavors and sweeteners. Almond butter is a good choice, too, and it's slightly lower in carbs. Additionally, you should be mindful of your portion size if you're trying to lose weight.

Can I eat a small potato on keto? ›

A single medium potato consists of about 25g of carbohydrates, which is very high when compared to many other foods. To give this some additional perspective, the daily carb target for the ketogenic diet is about 20-30g of carbs per day, meaning that a single potato is enough to consume the entire daily carb allowance.

Is watermelon OK on keto? ›

The bottom line. The ketogenic diet requires you to significantly cut back on carbs, which often means eliminating higher carb foods like fruit from your diet. Fortunately, compared with other fruits, watermelon is relatively low in carbs and can be enjoyed as part of a ketogenic diet.

What is the lowest carb fruit? ›

Watermelon, the sweet summertime treat, is 92% water and the lowest-carb fruit by far, with 7.5 carbs for every 100 grams.

Can you go into ketosis if you eat fruit? ›

Although fruits are typically high in carbohydrates, they're also typically filled with fiber. Fiber moves through the body undigested and generally doesn't affect blood sugar levels in the same way as carbohydrates, meaning it can typically be enjoyed when following the ketogenic diet without impacting ketosis.

What are the keto fruit rules? ›

People following a keto diet can still enjoy some fruit in moderation. Fruits offer essential nutrients, such as vitamins and minerals, which are an important part of a person's diet. Avoid eating large quantities of any fruit to achieve or maintain ketosis.

Is Apple allowed in keto? ›

Are Apples Keto-Friendly? Apples are generally not considered keto-friendly as they are relatively high in carbs. One medium-sized apple contains about 20 grams of net carbs, which can quickly add up and may not fit within the daily carb limit for those following a ketogenic diet.

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