Is Watermelon Keto-Friendly? (2024)

Compared to many other fruits, watermelon is relatively low in carbohydrates. Depending on your overall diet, you may be able to consume watermelon in moderation while following a ketogenic diet.

Watermelon is a delicious and refreshing summertime staple.

In addition to promoting hydration thanks to its high water content, it’s a good source of several nutrients, including vitamins C and A (1).

What’s more, watermelon contains several antioxidants, such as lycopene, which may be linked to improved heart health and a lower risk of certain cancers (2).

You may wonder whether watermelon can fit into the ketogenic, or keto diet, an eating pattern that involves limiting your carb intake and eating a high amount of healthy fats instead.

Given that the keto diet is highly restrictive and requires strict adherence to maximize results, many fruits are considered off-limits, causing some to find it somewhat challenging to follow.

This article determines whether watermelon can be enjoyed as part of a healthy keto diet.

Because most fruits are high in carbs, those following the ketogenic diet can only enjoy them in small amounts.

However, compared with other types of fruit, watermelon is relatively low in carbs.

In fact, 1 cup (152 grams) of diced watermelon contains about 11.5 grams of carbs and 0.5 grams of fiber, which means that it has about 11 grams of net carbs (1).

Net carbs is a term used to describe the number of carbs in a portion of food that is absorbed by the body. They’re calculated by subtracting the grams of fiber from the grams of total carbs.

Whether watermelon can fit into a ketogenic diet depends on what else you’re eating during the day.

On a 2,000-calorie diet, you may be restricting your carb intake to just 100 calories, or 25 grams, per day.

Therefore, a single serving of watermelon could take up nearly half of your daily carb allotment.

Though you can definitely fit watermelon into a keto diet, it may take careful planning and require you to reduce your portion sizes to keep your carb count in check.

Summary

Watermelon can fit into a ketogenic diet, but it may require careful planning and decreased portion sizes to stick within your daily carb allotment.

Restricting your carb intake doesn’t mean that you need to cut fruit out of your diet altogether.

In fact, several fruits can easily fit into a well-planned ketogenic diet.

For instance, avocados are low in carbs but high in heart-healthy fats and fiber, as well as a number of other important vitamins and minerals (2).

Lemons and limes are also much lower in carbs than other types of fruit (3, 4).

Plus, certain types of berries can be enjoyed in moderation.

For example, strawberries, raspberries, and blackberries contain moderate carb contents but are high in fiber, making them lower in net carbs (5, 6, 7).

Summary

In addition to watermelon, several other types of low carb fruits can be enjoyed in moderation on a ketogenic diet.

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.

However, it may require careful planning, and you may need to decrease your portion sizes to help fit it in.

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It’s recommended to work with a registered dietitian to ensure that your intake of important nutrients, such as fiber, are fulfilled daily, as well as to help incorporate the right amount and types of carbs on a keto diet.

Is Watermelon Keto-Friendly? (2024)

FAQs

Is Watermelon Keto-Friendly? ›

Watermelon is also a keto-friendly fruit. Watermelon is full of water and low in carbohydrates compared to many other popular fruits. One cup of diced watermelon contains 11.5 grams of net carbs (the total carbs minus grams of fiber). 4 Fiber per serving is 0.6 grams.

How much watermelon can I eat in keto? ›

“Mathematically, you could enjoy two to 2.5 cups of watermelon per day on a keto diet, assuming you eat no other carbs,” says Yawitz, cautioning that this scenario is pretty unlikely, considering the fact that even non-starchy veggies have carbs.

Will watermelon break ketosis? ›

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 fruit can I eat on keto? ›

9 Nutritious Keto-Friendly Fruits
  • Avocados. Though avocados are often referred to and used as a vegetable, they're biologically considered a fruit. ...
  • Watermelon. Watermelon is a flavorful and hydrating fruit that's easy to add to a ketogenic diet. ...
  • Strawberries. ...
  • Lemons. ...
  • Tomatoes. ...
  • Raspberries. ...
  • Peaches. ...
  • Cantaloupe.
Mar 18, 2020

Can I eat watermelon on a low-carb diet? ›

Watermelon. This juicy melon is a refreshing way to get a keto-friendly fruit fix, with just 46 calories per diced cup, per USDA data. Like other melons, it's no fiber superstar, but the high water content keeps calories and carbs in check, with under 12 g per cup.

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. It also has lots of vitamins A and C. Enjoy one cup, or 10 watermelon balls if you're feeling fancy.

Can you eat pineapple on keto? ›

Pineapple is a tropical fruit that's popular for its sweet taste. However, it's unsuitable for the keto diet due to its high sugar content. A single cup contains about 22 grams of carbohydrates, mostly from natural sugars.

Will cucumbers kick me out of ketosis? ›

Cucumber. 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.

Can I eat cantaloupe on keto? ›

Cantaloupe. Cantaloupe has a sweet taste but doesn't mess with Ketosis. A half-cup of cantaloupe contains about 5.8g of Carbs, 3.8g of Fibers, and 3.5g of sugar. Although the values are higher than Avocado, still they do not interfere with the body's Ketosis.

Are cucumbers good for ketosis? ›

Cucumbers are made of 90% water and are almost calorie-free. One cup of cucumbers contains only 16 calories and 3 grams of net carbs, making it a sure fit for a keto plan.

How to get into ketosis in 24 hours? ›

You can make several diet changes to reach ketosis in 24 hours, including:
  1. Increasing your fat intake.
  2. Cutting out added sugars and processed snacks.
  3. Eating moderate amounts of protein.
  4. Consuming an abundance of non-starchy vegetables.
  5. Taking supplements such as exogenous ketones.
Jan 31, 2023

What is the best meat for keto diet? ›

Some of the best meats for keto include beef, pork, chicken, salmon, and bison. Still, all plain, unprocessed meats are keto-friendly and low in carbs — so there are plenty of options to choose from. However, you may want to choose your meats based on other factors in addition to carb count.

Is peanut butter 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.

Which nuts are most keto-friendly? ›

Here are some of the best keto-friendly nuts:
  • Almonds. Almonds are versatile and widely available low-carb nuts. ...
  • Macadamia nuts. Macadamia nuts are low-carb tree nuts grown in Australia. ...
  • Pecans. Pecans are an excellent source of low-carb, high-fat nutrition for your keto diet. ...
  • Brazil nuts. ...
  • Walnuts. ...
  • Hazelnuts. ...
  • Pine nuts.
Feb 10, 2023

Is cottage cheese good for keto? ›

Cottage cheese, like ricotta, is not as keto-friendly, and you should limit the amount you eat if you're on a strict keto diet, says Weiss. While cottage cheese is known for its high protein content, it also contains a relatively high amount of carbs and not that much fat, making it a less-than-ideal choice for keto.

How much fruit can I eat to stay in ketosis? ›

A person who aims to eat no more than 100–150 grams of carbs per day can easily fit in several pieces of fruit per day without going over their limit. However, someone who is on a very low-carb ketogenic diet with under 50 grams per day doesn't really have much room.

Can you eat too much fruit on keto? ›

Fruits lower in sugars and higher in fiber may be suitable on a keto diet, but a person should eat them in moderation. Fiber is an important factor in the keto diet. A person's body cannot digest this substance.

How many carbs are in 8 oz of watermelon juice? ›

Watermelon juice (8 fluid ounce) contains 18.1g total carbs, 17.1g net carbs, 0.4g fat, 1.5g protein, and 72 calories.

Is watermelon good for weight loss? ›

Watermelon has a high water content with very few calories, making it a filling snack that can help with weight loss. The fruit also contains beneficial compounds that may help reduce body fat, maintain lean muscle mass, and relieve muscle soreness.

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