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Is Sweet Corn Keto-Friendly?

Sweet Corn on a kitchen counter

Is Sweet Corn Keto-Friendly? Unfortunately, due to its high carbohydrate content, the simple answer is no.

Sweet corn, despite its nutritional benefits, can present challenges for those adhering to a ketogenic diet where carb intake is strictly limited.

In this article, we delve into a comprehensive breakdown of the carbohydrate content of sweet corn, the challenges it presents to a keto diet, and potential alternatives that can provide similar flavors and textures without disrupting ketosis.

We aim to equip you with the knowledge to make informed dietary choices while enjoying a wide variety of flavors on your ketogenic journey.


  • Is Sweet Corn Keto-Friendly? No, due to its high carbohydrate content.
  • Sweet Corn carries a substantial 16.7g of carbs per 100g, making it difficult to incorporate into a ketogenic diet without exceeding daily carb limits.
  • Consuming Sweet Corn poses a challenge to maintaining ketosis, a metabolic state crucial for a keto diet.

Is Sweet Corn Keto-Friendly?

The straightforward answer to whether sweet corn is keto-friendly is no, it is not. With a carb content of 16.7g per 100g, sweet corn exceeds the daily carb intake limit for most individuals following a ketogenic diet. This high carb content makes it incompatible with the restrictive nature of a ketogenic diet, which allows for a maximum of 20-50g of carbs per day.

Sweet corn's high carb count can be attributed to its composition. The bulk of the carbohydrate content comes from starch, a type of complex carbohydrate. This contributes to the 16.7g of net carbs in sweet corn per typical serving size of 100g. As such, individuals following a Keto lifestyle often avoid or strictly limit their consumption of sweet corn to maintain their state of ketosis.

Can You Have Sweet Corn On a Strict Keto Diet?

On a strict ketogenic diet, where the daily carb intake is kept less than 20g, incorporating sweet corn into the meal plan becomes challenging. With 16.7g carbs per 100g serving, sweet corn would almost entirely consume the daily carb limit, leaving little room for other nutrient-dense foods.

Even for those who follow a more lenient keto or low-carb diet, where the carb limit is increased to 30-50g net carbs per day, including sweet corn is not advisable. Despite the higher carb limit, consuming sweet corn could potentially disrupt the balance, making it harder to accommodate other essential foods within the day's carb allowance.

Carbs In Sweet Corn

Sweet corn is a starchy vegetable and its carbohydrate content reflects this. In every 100g of sweet corn, there are 16.7g of carbohydrates. This carbohydrate content is net carbs, which is the total carbohydrate content minus the fiber content. The net carb count is an essential factor for those following a ketogenic diet, as it reflects the amount of carbohydrate that the body can digest and convert into glucose.

When considering the glycemic index, which is a measure of how quickly a food can raise blood sugar levels, sweet corn is classified as a medium glycemic index food. This means it has a more moderate impact on blood sugar levels compared to high glycemic foods, but the increase is still significant compared to foods with a low glycemic index. Therefore, despite its moderate glycemic index, the high carb content in sweet corn can still impact ketosis for those following a ketogenic lifestyle.

Sweet Corn Nutrition Facts

Sweet Corn, specifically 'Corn, sweet, yellow, raw', offers a rich array of nutrients in a 100g portion. With 86.0 kcal calories, it primarily provides energy, with carbohydrates making up the majority of its caloric content at 18.7g. Of these, net carbs constitute 16.7g, while dietary fiber is around 2.0g, playing a role in digestive health.

The protein content stands at 3.27g, providing essential amino acids for the body's functions. In terms of fats, total fats are at 1.35g, broken down into 0.32g of saturated fats, 0.43g of monounsaturated fats, and 0.49g of polyunsaturated fats, the latter two types being beneficial for heart health.

Importantly, Sweet Corn is a source of various vitamins. It contains Vitamin A (9.0ug), beneficial for vision and immune health, and Vitamin C (6.8mg), known for its antioxidant properties. The B-vitamins present include Vitamin B-6 (0.09mg), Thiamin (0.16mg), Riboflavin (0.06mg), Niacin (1.77mg), and Pantothenic acid (0.72mg), significant players in energy production and nervous system function. Additionally, it offers Folate (42.0ug), key for cell growth and metabolism, and Vitamin E (0.07mg), another antioxidant.

The mineral profile of Sweet Corn includes Sodium (15.0mg) and Potassium (270.0mg), important electrolytes for fluid balance. It also provides Calcium (2.0mg), Phosphorus (89.0mg), and Magnesium (37.0mg), crucial for bone health. Trace minerals include Iron (0.52mg), Zinc (0.46mg), Manganese (0.16mg), Copper (0.05mg), and Selenium (0.6ug), each playing unique roles in various bodily functions.

Nutrient NameAmount and Unit per 100g
Net Carbs 16.7g
Carbohydrate, by difference 18.7g
Fiber, total dietary 2.0g
Total fats 1.35g
Protein 3.27g
Sodium, Na 15.0mg
Potassium, K 270.0mg
Magnesium, Mg 37.0mg
Calcium, Ca 2.0mg
Vitamin A 9.0ug
Vitamin B-6 0.09mg
Vitamin C, total ascorbic acid 6.8mg
Vitamin E (alpha-tocopherol) 0.07mg
Vitamin K1 0.3ug
Copper, Cu 0.05mg
Iron, Fe 0.52mg
Phosphorus, P 89.0mg
Selenium, Se 0.6ug
Zinc, Zn 0.46mg
Beta-carotene 47.0ug
Cryptoxanthin, beta 115.0ug
Lutein + zeaxanthin 644.0ug
Manganese, Mn 0.16mg
Thiamin 0.16mg
Riboflavin 0.06mg
Niacin 1.77mg
Pantothenic acid 0.72mg
Folate, total 42.0ug
Choline, total 23.0mg
Calories 86.0kcal
Water 76.05g
Tryptophan 0.02g
Threonine 0.13g
Isoleucine 0.13g
Leucine 0.35g
Lysine 0.14g
Methionine 0.07g
Cystine 0.03g
Phenylalanine 0.15g
Tyrosine 0.12g
Valine 0.18g
Arginine 0.13g
Histidine 0.09g
Alanine 0.3g
Aspartic acid 0.24g
Glutamic acid 0.64g
Glycine 0.13g
Proline 0.29g
Serine 0.15g
Fatty acids, total saturated 0.32g
Fatty acids, total monounsaturated 0.43g
Fatty acids, total polyunsaturated 0.49g
This data was provided by the US Department of Agriculture's FoodData Central system.
'Sweet Corn' was not found in FoodData Central, so nutritional data for 'Corn, sweet, yellow, raw' was used instead under Cast Iron Keto's editorial and research standards.

Health Implications of Sweet Corn on a Keto Diet

Including sweet corn in a ketogenic diet can pose challenges to maintaining ketosis due to its high carb content. The process of ketosis, a metabolic state where the body burns fat for fuel instead of carbs, can be disrupted if carb intake exceeds the recommended daily limit.

Despite this, it's important to note that sweet corn does offer some nutritional benefits. It contains a variety of vitamins and minerals, such as Vitamin B-6, Vitamin C, Potassium, and Magnesium. It's also a source of dietary fiber. These nutrients play valuable roles in various bodily functions, contribute to general health and well-being, and can support a balanced diet when consumed in appropriate quantities.

Keto-Compatible Alternatives for Sweet Corn

  1. Cauliflower: This versatile vegetable can effectively mimic the texture of corn in various recipes. Cauliflower can be used to make a keto-friendly version of "corn" bread or faux corn chowder. With only 5g of carbs per 100g, it is significantly lower in carbs than sweet corn.
  2. Zucchini: Another keto-friendly swap, zucchini can be used in salads, stir-fries, or baked dishes where you might usually use corn. With about 3.1g of carbs per 100g, zucchini is a great low-carb alternative to sweet corn.
  3. Bell Peppers: Although not a direct taste substitute, bell peppers can add a similar crunch and sweetness to dishes that corn often provides. They can be used in a variety of recipes, from stuffed peppers to salad toppings. With approximately 6g of carbs per 100g, bell peppers offer a more keto-compatible option than sweet corn.
  4. Baby Corn: Despite the name, baby corn is actually a grain and is lower in carbohydrates than sweet corn. It can be used in salads or stir-fries for a hint of corn flavor without the high carb content. Baby corn contains around 7.2g of carbs per 100g.

Concluding Thoughts on Sweet Corn and Keto

Sweet corn, with its high carbohydrate content, proves to be a challenging inclusion in a ketogenic diet. Despite its nutritional benefits, such as being a source of Vitamin B-6, Vitamin C, Potassium, and Magnesium, the high carb count of 16.7g per 100g can disrupt ketosis, the metabolic state crucial for a keto diet. While it can be tempting to include sweet corn due to its sweetness and crunch, it is important to remember the potential implications for those adhering to a ketogenic lifestyle.

Fortunately, there are several keto-compatible alternatives that can provide similar textures and flavors, such as cauliflower, zucchini, bell peppers, and baby corn. These options not only allow for creativity and variety in your meals but also help ensure that your daily carb limit is maintained.

Explore our Is It Keto Knowledge Hub.

Is Baby Corn Keto-Friendly
Is Corn Keto-Friendly

Cast Iron Keto's Editorial and Research Standards

Certain rare or exotic food items may not have nutritional profiles in the FoodData Central database. If an exact match is not found in the FoodData Central database, then, the Cast Iron Keto team utilizes a three-prong approach to provide readers with the closest relevant nutritional data, where possible.

First, in the event that nutritional profiles for a rare or exotic food item is not available in the FoodData Central database, we investigate alternative names for that particular food item and use that data, when possible. Second, in cases where no alternate names exist, Cast Iron Keto will use nutritional data for a close relative or similar food item. Finally, if no close relatives or similar items exist, we refrain from publishing nutrient data tables.

When making dietary or health decisions based on FoodData Central's data, we suggest readers consult with a nutritionist or other health experts, particularly if the food in question has a significant role in your diet or if you are using the food item to treat any health disorder(s).

Furthermore, it is important to note that even if a close relative or similar item is used to approximate the nutritional data, different food items can have varying levels of nutrients due to factors such as soil quality, farming practices, and regional differences.


The information on this website is only intended to be general summary information for public use, designed for educational purposes only and is not engaged in rendering medical advice or professional services. This information does not replace written law or regulations, nor does it replace professional medical advice, diagnosis, or treatment. If you have questions about a medical condition or are seeking to evaluate the health merits of certain food items for the treatment of any medical condition, you should seek the advice of a doctor or other qualified health professionals.

The views expressed at, or through, Cast Iron Keto are for informational purposes only. Cast Iron Keto cannot guarantee the validity of the information found here. While we use reasonable efforts to include accurate and up-to-date information, we make no warranties as to the accuracy of the content and assume no liability or responsibility for any errors or omissions in the content. All liability with respect to actions taken or not taken based on the contents of this website are hereby expressly disclaimed. The content on this posting is provided "as is;" no representations are made that the content is error-free.

Frequently Asked Questions

Unfortunately, no. Sweet Corn's high carbohydrate content makes it incompatible with the keto diet.

Sweet Corn carries 16.7g of carbs per 100g, which can easily exceed the strict carb limit of a keto diet and disrupt ketosis.