Home / friendly / plants / vegetables / leafy / Is Spinach Keto-Friendly?

Is Spinach Keto-Friendly?

Spinach on a kitchen counter

Navigating through the maze of food choices can be a paramount task, especially when adhering to a specific dietary regimen like a ketogenic diet.

One common question that pops up for those on a low-carb journey is: "Is Spinach Keto-Friendly?" This inquiry calls for a comprehensive exploration of spinach's nutritional profile, its position within a ketogenic framework, and the potential health implications tied to its consumption.


  • Yes, Spinach is indeed keto-friendly, enriching your low-carb journey with its nutrient-dense profile.
  • Spinach's benefits extend from essential vitamins and minerals to a robust antioxidant profile.
  • Intriguingly, spinach aligns well with the ketogenic lifestyle aesthetically and nutritionally.

Is Spinach Keto-Friendly?

Yes, Spinach is indeed compatible with a ketogenic diet. The ketogenic diet typically focuses on foods that are high in fats, moderate in protein, and very low in carbohydrates. Spinach aligns well with such a diet due to its nutrition profile.

Let's delve deeper into this by discussing the macronutrient composition of spinach. It's necessary to remember that the primary intent of the ketogenic diet is to switch the body's energy source from glucose, which is derived from carbohydrates, to ketone bodies, derived from fat. Therefore, monitoring the carbohydrate content is of utmost importance.

A 100-gram serving of raw spinach consists of about 3.6 grams of carbohydrates according to the U.S. Department of Agriculture's National Nutrient Database. Importantly, approximately 2.2 grams of these carbohydrates are dietary fiber. Fiber is a type of carbohydrate that has a minimal impact on blood sugar levels, as the body does not completely digest it. As a result, many people following the ketogenic diet deduct dietary fiber while calculating their total carbohydrate intake, focusing on the net carbs, which is the total carbohydrates minus the dietary fiber.

Considering the net carbs, 100 grams of spinach contain a low 1.4 grams, making it a worthwhile inclusion in a ketogenic diet. Furthermore, spinach is also a great source of vitamins K and A, and provides reasonable amounts of manganese, magnesium, and vitamin C while being low in calories and fat.

Can Spinach be Incorporated into a Strict Keto Diet?

Absolutely, spinach can definitely be accommodated in a strict ketogenic diet due to its low net carbohydrate content. When following a stringent keto regimen, carbohydrates intake is often limited to around 20 to 50 grams per day, depending on individual factors. Given that a 100-gram serving of spinach contains just approximately 1.4 grams of net carbs, this accounts for a very minimal fraction of the daily carbohydrate allowance.

Despite spinach's low carbohydrate content, it is important to exercise portion control. No single food, even one as nutritionally sound and low-carb as spinach, should monopolize the diet. Eating a diverse range of foods ensures that your body receives a wealth of different nutrients it requires for optimal health. Therefore, while spinach is an excellent option for a strict ketogenic diet, it should be balanced with other low-carb, nutrient-dense vegetables and keto-friendly foods.

Incorporating spinach into a strict ketogenic diet could mean including it in dishes such as salads, soups, and stir-fries or as a side dish. However, it's necessary to account for the carbohydrate content in other ingredients used in preparing these dishes.

The ability to accurately track your macronutrient intake, especially carbohydrates, is crucial to maintaining ketosis. There are various tools available to assist with this, including nutrition tracking apps that can provide a detailed breakdown of your daily food intake. These apps often feature extensive food databases, making it simple to log and monitor the number of net carbs you consume each day.

Delving into the Carbohydrate Content of Spinach

Thorough understanding of the macronutrient content of the food you eat, especially carbohydrates, is crucial when following a ketogenic diet. That makes exploring the carbohydrate content of spinach particularly important.

Spinach is a nutrient-dense leafy green that's relatively low in carbohydrates. The U.S. Department of Agriculture's National Nutrient Database indicates that a 100-gram serving of raw spinach contains approximately 3.6 grams of total carbohydrates. However, not all of these carbohydrates have the same impact on your body's glucose levels.

This brings us to an important aspect of the ketogenic diet: the concept of 'net carbs'. Net carbs are calculated by subtracting dietary fiber from the total carbohydrates. The reason for this calculation is that dietary fiber - a type of carbohydrate - does not break down into sugar and thus does not impact blood sugar levels similar to other carbohydrates. Essentially, dietary fiber is carbohydrate that is not fully digested by your body, and it is subtracted when calculating net carbs because it doesn't contribute to raising blood sugar.

Out of the roughly 3.6 grams of total carbohydrates in a 100-gram serving of spinach, approximately 2.2 grams are dietary fiber. Accordingly, the net carb content of spinach can be calculated as 1.4 grams (3.6 grams total carbohydrates minus 2.2 grams dietary fiber) per 100-gram serving.

For those following a ketogenic diet, these low net carb values present opportunities to include generous servings of spinach in the diet. For instance, one cup of raw spinach which weighs around 30 grams would contain approximately 1 gram of total carbohydrate, of which over half (around 0.7 grams) is dietary fiber, leaving a net carb content of just 0.3 grams – a very minor amount for those monitoring their carbohydrate intake closely.

Nutritional Snapshot of Spinach

Spinach is a nutritional powerhouse packed with a plethora of macro and micronutrients that contribute to overall health and wellness, making it a welcome component in a balanced diet. Let's delve into a detailed nutritional analysis of a 100-gram serving of spinach.

Firstly, with a high water content of 91.4 grams, spinach can help maintain bodily fluid balance and promote hydration. It is also relatively high in dietary fiber (2.2 grams), which supports digestive health by promoting bowel regularity.

Speaking in terms of macronutrients, spinach provides 2.86 grams of protein, a vital component needed for growth, repair, and maintenance of body tissues. It has an extraordinarily low total fat content of 0.39 grams, with a healthy balance of polyunsaturated, monounsaturated, and saturated fatty acids.

Spinach's carbohydrate content, as we have previously discussed, stands at 3.6 grams, out of which 2.2 grams comprise dietary fiber. This low net carb content makes spinach an excellent choice for those following low-carb diets such as keto.

Turning our attention to micronutrients, spinach is highly notable for its Vitamin K1 content, offering a staggering 482.9 micrograms per 100-gram serving. Vitamin K1 plays an essential role in blood clotting and can support bone health.

Furthermore, it is an excellent source of Vitamin A (469.0 micrograms), crucial for maintaining vision, immune function, and cell growth. The ample amounts of Vitamin C (28.1 milligrams) contribute to immune health and skin integrity. Spinach also provides a significant amount of folate (194.0 micrograms), essential for cell division and DNA synthesis.

Spinach offers a wide variety of minerals as well. It contains 558.0 milligrams of potassium, needed for nerve transmission and muscle function. Calcium is present at 99.0 milligrams, a mineral necessary for bone health and nerve function. The iron content stands at 2.71 milligrams, vital for the production of hemoglobin and myoglobin, proteins that carry oxygen in the body. It's also an excellent source of magnesium (79.0 milligrams), promoting enzymatic reactions, nerve function, and muscle relaxation.

Nutrient NameAmount and Unit per 100g
Fatty acids, total polyunsaturated0.165 g
Threonine0.122 g
Alanine0.142 g
Fatty acids, total monounsaturated0.01 g
Arginine0.162 g
Tryptophan0.039 g
Isoleucine0.147 g
Water91.4 g
Aspartic acid0.24 g
Glutamic acid0.343 g
Tyrosine0.108 g
Leucine0.223 g
Proline0.112 g
Protein2.86 g
Calories23.0 kcal
Glycine0.134 g
Histidine0.064 g
Methionine0.053 g
Cystine0.035 g
Fatty acids, total saturated0.063 g
Total fats0.39 g
Serine0.104 g
Valine0.161 g
Phenylalanine0.129 g
Lysine0.174 g
Vitamin A469.0 ug
Vitamin E (alpha-tocopherol)2.03 mg
Vitamin C, total ascorbic acid28.1 mg
Magnesium, Mg79.0 mg
Vitamin B-60.195 mg
Copper, Cu0.13 mg
Niacin0.724 mg
Choline, total19.3 mg
Manganese, Mn0.897 mg
Zinc, Zn0.53 mg
Riboflavin0.189 mg
Folate, total194.0 ug
Calcium, Ca99.0 mg
Iron, Fe2.71 mg
Thiamin0.078 mg
Vitamin K1482.9 ug
Potassium, K558.0 mg
Pantothenic acid0.065 mg
Phosphorus, P49.0 mg
Selenium, Se1.0 ug
Lutein + zeaxanthin12198.0 ug
Beta-carotene5626.0 ug
Betaine102.6 mg
Sodium, Na79.0 mg
Fiber, total dietary2.2 g
Nutritional data is sourced from the US Department of Agriculture's FoodData Central system. Please see Cast Iron Keto's editorial and research standards for more information.

Health Implications of Spinach on a Keto Diet

Spinach is an excellent fit for a ketogenic diet, and incorporating this nutrient-dense leafy green offers several potential health benefits. Regardless of the dietary regimen, Spinach is a powerhouse of nutrition with myriad properties contributing to overall health and wellness.

First off, Spinach is densely packed with several essential vitamins and minerals, making it a valuable addition to a keto diet. It's rich in vitamins A, C, K1, as well as certain B vitamins, all of which play crucial roles in the human body. For instance, Vitamin A supports immune function and vision, Vitamin C acts as an antioxidant protecting the body against damage from free radicals, Vitamin K1 is significant for blood clotting, and B vitamins are integral to energy metabolism.

Moreover, Spinach is known for its high magnesium content, a mineral that has consistently been observed as deficient in individuals following a ketogenic diet. By providing an extra dose of the necessary mineral, spinach can help counteract this common deficiency, ensuring that the body has adequate resources for various critical functions, including nerve transmission, muscle contractions, and maintaining a balanced immune system.

Alongside these vitamins and minerals, spinach is also loaded with dietary fibre. However, unlike some other sources of dietary fibre, spinach's carbohydrate content is incredibly low. Consequently, it fits very well into a keto dietary structure, which prioritizes low-carb and high-fat foods. It is important to note that although fibre does fall under the category of carbohydrates, it does not contribute to net carbs. Instead, it aids in digestion, promotes satiety, and supports gut health.

The robust antioxidant profile of spinach can mesh well with the anti-inflammatory effects observed in ketogenic diets. Spinach is abundant in plant compounds, like lutein and zeaxanthin, which are known for their antioxidant properties. These antioxidants help in mitigating oxidative stress, which is associated with chronic diseases such as heart disease and cancer.

Lastly, the presence of naturally occurring compounds called nitrates in spinach is known to maintain healthy blood pressure levels. While studies have further linked nitrate-rich diets with improved heart health, it's important to note that results are still preliminary.

Artfully Incorporating Spinach into Your Keto Meal Plan

Adding spinach into your ketogenic meal plan can be a fun and delicious journey. This versatile vegetable can be easily incorporated into a multitude of dishes, not only enhancing their nutritional value but also adding a delightful burst of color and flavor. Here, we'll share some practical tips and mouthwatering recipe ideas that place spinach at the forefront.

To start with, a simple way to increase your spinach consumption is by using it as a salad base instead of or in combination with other leafy greens. Toss it with olive oil, a dash of lemon juice, and your choice of keto-friendly toppings like avocado slices, boiled eggs, or feta cheese for a quick, easy, and nutrient-dense meal.

For a warm comfort dish, consider making creamed spinach. Sauté fresh or frozen spinach in butter, add a splash of heavy cream, a grating of nutmeg, some crushed garlic, and voila! You have a rich, satisfying side that can accompany any main dish fabulously.

Spinach and eggs make fantastic partners too. Stir some spinach into your scrambled eggs, or layer it into a frittata or omelet. You can also make a delightful spinach and cheese quiche using a crust made from almond flour.

If you enjoy smoothies, adding a handful of spinach to your regular keto smoothie is another great option. Its mild flavor pairs well with a wide range of fruits and it provides a vibrant colour that makes the smoothie more appealing.

For a hearty meal, you can't go wrong with a Spinach and Cheese stuffed chicken breast. Simply stuff the chicken with a combination of spinach, cream cheese, and shredded cheddar, then bake until golden. It's a protein-rich, satisfying choice that also showcases the versatility of spinach.

Additionally, spinach can also be incorporated into keto-friendly sauces and dips. For instance, a Spinach and Artichoke dip can deliver a tantalizing burst of flavors in each bite while providing the nutritional benefits of spinach.

Keto-Compatible Alternatives for Spinach

While spinach is a nutritious and versatile addition to a ketogenic diet, it's always beneficial to have alternatives on hand to ensure dietary variation and meet diverse food preferences. Several other keto-compatible vegetables are comparable to spinach in their nutrient profile and versatility.

Kale is one such alternative. This hardy leafy green is substantially packed with nutrients and can be used in many of the same recipes as spinach, although the taste and texture somewhat differ. From salads to soups and even smoothies, kale can be easily incorporated into your meal plan. It shares spinach's rich supply of vitamins A, C, and K, along with its high fiber content. However, it's worth noting that kale has slightly more carbohydrates per serving, which is important to consider in the context of a keto diet.

Swiss chard provides another excellent spinach substitute. Its rainbow-colored stems add a vibrant aesthetic to dishes while providing comparable nutritional benefits. Swiss chard can make a great sautéed side dish, be mixed into a salad, or can replace spinach in dishes like quiche or stuffed chicken. Nutritionally, it is similar to spinach, boasting a high content of vitamins A and K, along with adequate amounts of vitamin C and magnesium.

Another alternative is Bok Choy, a Chinese leafy green that's low in carbohydrates, making it great for keto dieters. Its crunchy texture is a delightful addition to stir-fries and soups. Bok Choy is loaded with vitamins A and C. It also provides a decent amount of calcium, an essential nutrient that spinach is not particularly rich in.

Romaine lettuce can also serve as a low-carb alternative to spinach. It's an excellent choice for salads and can even be used as a wrap in keto-friendly sandwiches or burgers. While romaine doesn't pack as nutrient-dense a punch as spinach, it's still a respectable source of vitamins A, K, and folate.

Finally, collard greens, popular in southern cooking, retain their firmness when cooked, making them a robust option for heartier dishes where spinach may wilt. Nutritionally, collard greens are a superstar, providing ample amounts of vitamins A, C, K, and being a rare plant source of calcium.

Concluding Thoughts on Spinach and Keto

As we've navigated through the relationship between spinach and a ketogenic diet, it's become apparent that spinach indeed makes a fitting addition to this low-carb, high-fat lifestyle. With its powerhouse of nutrients, including vitamins A, C, K1, certain B vitamins, and magnesium, as well as its low net carb count due to its high fiber content, spinach significantly contributes to overall health and wellness.

The nutritional properties of spinach align nicely with the health benefits observed in ketogenic diets. While being high in vital nutrients, it is low in carbohydrates. Its robust profile of antioxidants, such as lutein and zeaxanthin, can support the anti-inflammatory effects of a ketogenic diet, while its beneficial nitrates contribute positively to heart health.

Additionally, we traversed through diverse, tasty ways to incorporate this leafy green into your ketogenic meal plan, from salads to hot dishes, and even into smoothies. This reaffirms that spinach's versatility can indeed lend itself to culinary creativity on a ketogenic diet.

Moreover, by introducing viable keto-compatible alternatives like kale, swiss chard, bok choy, romaine lettuce, and collard greens, this guide encourages individuals to diversify their nutritional intake and explore different flavors and textures, which is an essential aspect of maintaining a holistic and enjoyable diet.

One unique idea to take forward is the potential to grow your spinach at home. This can ensure you have access to fresh, organic spinach while also allowing you to engage with the process of cultivating your food. Home-grown spinach might even taste sweeter, given the personal effort and care that went into growing it.

Explore our Is It Keto Knowledge Hub.

Are Welsh Onion Greens Keto-Friendly
Is Rapini Keto-Friendly
Is Kale Keto-Friendly
Are Leafy 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

Yes, spinach is absolutely suitable for the Keto diet. Being low in carbs and high in fiber, it perfectly aligns with the low-carb, high-fat requirements of the diet.

Spinach is packed with essential vitamins and minerals, like vitamins A, C, K, and potassium, which are all beneficial nutrients for those following the Keto diet.

Yes, both cooked and raw spinach maintains their low carb, high-fiber property, maintaining its compatibility with the Keto diet. However, cooked Spinach does result in a reduction of the water content, making it appear as though there are more carbs per serving.

Yes, all variations of spinach, such as Baby Spinach, Savoy Spinach, or Flat-Leaf Spinach, share similar nutritional profiles making them all suitable for the Keto diet.

While I would not claim that Spinach directly helps with Keto flu, it does provide essential nutrients which can support overall well-being during the metabolic transition.

Yes, you can include spinach in your meals at any time of day on a Keto diet considering its nutritious, low carb, and high fiber nature.