Broccoli: Nutrition Facts and Health Benefits

Are you looking for a powerhouse vegetable that can boost your overall health and well-being? Look no further than broccoli! This vibrant green vegetable, scientifically known as Brassica oleracea, belongs to the cruciferous family, renowned for its exceptional nutritional profile. In this article, we will delve into the nutrition facts and health benefits of broccoli, providing you with valuable insights to make this versatile veggie a regular part of your diet.

Nutrition Facts

Broccoli is a highly nutritious vegetable that offers a wide range of essential vitamins, minerals, and other beneficial plant compounds. Here are the nutrition facts for a 1 cup (91 grams) serving of raw broccoli:

  • Calories: 31
  • Protein: 2.5 grams
  • Carbohydrates: 6 grams
  • Fiber: 2.4 grams
  • Fat: 0.4 grams
  • Vitamin C: 81.2 milligrams (135% of the Daily Value)
  • Vitamin K: 92.5 micrograms (116% of the Daily Value)
  • Vitamin A: 567 international units (11% of the Daily Value)
  • Folate: 57.3 micrograms (14% of the Daily Value)
  • Potassium: 288 milligrams (8% of the Daily Value)
  • Manganese: 0.2 milligrams (9% of the Daily Value)

Broccoli is low in calories and carbohydrates, making it an excellent choice for those seeking to manage their weight or follow a low-carb diet. It is also a good source of protein, especially for a vegetable. The fiber content of broccoli promotes healthy digestion and helps maintain a feeling of fullness.

One of the standout nutrients in broccoli is vitamin C, which is vital for immune function, collagen synthesis, and antioxidant protection. Vitamin K is another notable nutrient in broccoli that plays a crucial role in blood clotting and bone health. Additionally, broccoli contains significant amounts of vitamin A, folate, potassium, and manganese, which contribute to various aspects of overall health.

Broccoli is also known for its high content of bioactive compounds, such as sulforaphane, glucosinolates, and flavonoids. These compounds have antioxidant, anti-inflammatory, and potential anticancer properties, making broccoli a valuable addition to a healthy diet.

It’s important to note that the nutrient content of broccoli may vary slightly depending on factors such as cooking method and maturity of the vegetable. However, whether consumed raw or cooked, broccoli remains a nutrient-dense food that can provide numerous health benefits.


Broccoli contains about 11 grams of carbohydrates per one cup (91 grams) serving. These carbohydrates are primarily in the form of dietary fiber. Fiber is a type of carbohydrate that is not fully digested by the body, providing various health benefits.

The dietary fiber in broccoli helps support digestive health by promoting regular bowel movements and preventing constipation. It also contributes to feelings of fullness and can assist in weight management by reducing overall calorie intake.

In addition to fiber, broccoli contains small amounts of other carbohydrates, such as sugars and starches. However, these carbohydrates are present in relatively low quantities compared to other foods, making broccoli a suitable choice for individuals following low-carb or low-glycemic diets.

It’s important to note that the carbohydrates in broccoli have a minimal impact on blood sugar levels due to the fiber content and the presence of other nutrients. This makes broccoli a favorable vegetable for individuals with diabetes or those aiming to manage their blood sugar levels.

Overall, the carbohydrate content of broccoli is relatively low, with the majority being fiber, which contributes to its numerous health benefits.


Broccoli is an excellent source of dietary fiber. A one-cup (91 grams) serving of broccoli contains approximately 2.6 grams of fiber. Fiber is a type of carbohydrate that is not broken down by the body’s enzymes, meaning it passes through the digestive system relatively intact.

Dietary fiber can be divided into two main types: soluble fiber and insoluble fiber. Both types are present in broccoli, providing a range of health benefits.

The soluble fiber found in broccoli forms a gel-like substance in the digestive tract, which helps slow down digestion and the absorption of nutrients. This can contribute to a feeling of fullness and aid in weight management. Soluble fiber also plays a role in regulating blood sugar levels and improving cholesterol levels by reducing the absorption of cholesterol in the intestine.

Insoluble fiber, on the other hand, adds bulk to the stool and helps promote regular bowel movements. It can prevent constipation and support a healthy digestive system. Insoluble fiber also helps maintain gut health by providing nourishment for beneficial gut bacteria.

Consuming an adequate amount of fiber from sources like broccoli is essential for overall health. It is recommended that adults aim for a daily intake of around 25 to 30 grams of fiber. However, it’s important to increase fiber intake gradually and drink plenty of water to avoid any digestive discomfort.

Including broccoli in your diet is a great way to increase your fiber intake and enjoy the associated health benefits. Whether you steam it, roast it, or add it to stir-fries and salads, this versatile vegetable can contribute to a well-rounded and fiber-rich diet.

Vitamins and minerals

Broccoli is a nutritional powerhouse, packed with an array of essential vitamins and minerals. Here are some of the key vitamins and minerals found in broccoli:

  1. Vitamin C: Broccoli is a fantastic source of vitamin C. In fact, just one cup of broccoli provides over 100% of the recommended daily intake (RDI) of vitamin C. Vitamin C is an important antioxidant that helps support the immune system, promotes collagen production for healthy skin, and aids in iron absorption.
  2. Vitamin K: Another vitamin abundant in broccoli is vitamin K. One cup of broccoli contains more than 100% of the RDI for vitamin K. Vitamin K plays a crucial role in blood clotting, promotes bone health by aiding in calcium absorption, and contributes to heart health.
  3. Vitamin A: Broccoli is a good source of vitamin A, providing essential nutrients for healthy vision, immune function, and cell growth. Vitamin A also plays a role in maintaining the health of organs such as the lungs, kidneys, and heart.
  4. Folate: Broccoli is rich in folate, a B vitamin that plays a vital role in cell division and DNA synthesis. Adequate folate intake is especially important for pregnant women to support proper fetal development.
  5. Potassium: Broccoli contains potassium, an essential mineral that helps maintain fluid balance, supports proper nerve function, and aids in muscle contraction. Adequate potassium intake is important for heart health and maintaining healthy blood pressure levels.
  6. Manganese: Broccoli is a good source of manganese, a trace mineral involved in various enzymatic reactions in the body. Manganese contributes to bone health, collagen production, and antioxidant defense.

In addition to these vitamins and minerals, broccoli also provides smaller amounts of other nutrients such as vitamin E, vitamin B6, calcium, iron, and zinc. These combined nutrients make broccoli a nutrient-dense vegetable that can contribute to overall health and well-being.

Other plant compounds

Broccoli contains various plant compounds that contribute to its health benefits. Here are some notable plant compounds found in broccoli:

  1. Glucosinolates: Broccoli is rich in glucosinolates, sulfur-containing compounds that have been extensively studied for their potential health benefits. When broccoli is chewed or chopped, glucosinolates are converted into active compounds called isothiocyanates, such as sulforaphane. Isothiocyanates have shown promising anti-cancer properties and may help protect against certain types of cancer.
  2. Flavonoids: Broccoli contains flavonoids, which are a group of plant compounds with antioxidant properties. Flavonoids, such as kaempferol and quercetin, have been associated with reduced inflammation, improved heart health, and potential anti-cancer effects.
  3. Carotenoids: Broccoli contains carotenoids, such as beta-carotene, lutein, and zeaxanthin, which are responsible for its vibrant colors. Carotenoids act as antioxidants and play a crucial role in promoting eye health and reducing the risk of age-related macular degeneration.
  4. Phenolic Compounds: Broccoli contains phenolic compounds, including caffeic acid and ferulic acid, which have antioxidant and anti-inflammatory properties. These compounds may help protect against chronic diseases, including heart disease and certain types of cancer.
  5. Dietary Fiber: While dietary fiber is not a plant compound per se, it is worth mentioning due to its health benefits. As mentioned earlier, broccoli is an excellent source of dietary fiber, which aids in digestion, promotes feelings of fullness, and supports a healthy gut.

These plant compounds found in broccoli work together synergistically to provide numerous health benefits. Incorporating broccoli into your diet can be a great way to harness the power of these natural compounds and support your overall well-being.

Health benefits of broccoli

Here are some of the health benefits associated with consuming broccoli:

Cancer prevention

Cancer prevention is an important aspect of maintaining overall health, and broccoli is a vegetable that has gained attention for its potential role in reducing the risk of cancer. Broccoli contains a variety of compounds that have been studied for their anti-cancer effects. The antioxidants present in broccoli, such as vitamin C and beta-carotene, help neutralize harmful free radicals and protect cells from damage.

Additionally, broccoli is rich in glucosinolates, which are converted into isothiocyanates during digestion. These isothiocyanates have demonstrated anti-cancer properties by inhibiting the growth of cancer cells, promoting apoptosis, and preventing angiogenesis. Furthermore, the detoxification properties of broccoli’s compounds can assist in eliminating carcinogens from the body.

The presence of indole-3-carbinol and diindolylmethane in broccoli may also play a role in hormone-related cancers by regulating hormone metabolism. While broccoli alone cannot guarantee the prevention of cancer, incorporating it into a balanced diet along with other healthy lifestyle choices may contribute to reducing the risk of cancer and promoting overall well-being.

Lower cholesterol levels

Lowering cholesterol levels is a priority for many individuals seeking to improve their heart health, and incorporating broccoli into the diet can be a helpful approach. Broccoli offers several benefits that contribute to cholesterol reduction. Firstly, its high fiber content, particularly soluble fiber, plays a significant role. Soluble fiber forms a gel-like substance in the digestive system, binding to cholesterol and preventing its absorption into the bloodstream. This action helps lower LDL (low-density lipoprotein) or “bad” cholesterol levels. Additionally, broccoli contains plant sterols, which are structurally similar to cholesterol.

These plant sterols compete with cholesterol for absorption in the intestines, leading to reduced cholesterol uptake. Furthermore, the antioxidant properties of broccoli, thanks to compounds like vitamin C and beta-carotene, contribute to heart health. Antioxidants protect LDL cholesterol from oxidation, a critical step in the development of arterial plaque. By reducing oxidative stress and inflammation, antioxidants promote a healthier cardiovascular system. Lastly, the low-calorie and nutrient-dense nature of broccoli makes it an ideal choice for managing cholesterol levels without adding excess calories or unhealthy fats to the diet.

While broccoli alone may not completely resolve cholesterol issues, incorporating it into a well-balanced diet alongside other heart-healthy lifestyle choices can contribute to lowering cholesterol levels and improving overall cardiovascular health. As always, consulting with a healthcare professional or registered dietitian is advisable for personalized guidance and recommendations based on individual needs and health conditions.

Eye Health

Maintaining good eye health is crucial for overall well-being, and broccoli can play a beneficial role in supporting healthy vision.

Broccoli is a rich source of carotenoids, including lutein and zeaxanthin, which are important for eye health. These carotenoids act as antioxidants and are primarily concentrated in the macula, a part of the retina responsible for central vision. Lutein and zeaxanthin help filter out harmful blue light and protect the eyes from oxidative damage caused by free radicals. This protection is particularly important as excessive exposure to blue light, whether from sunlight or digital devices, can contribute to the development of age-related macular degeneration (AMD) and cataracts.

Studies have shown that a high intake of lutein and zeaxanthin is associated with a lower risk of developing AMD, a leading cause of vision loss in older adults. These carotenoids help maintain the health of the macula and promote optimal visual function. In addition, lutein and zeaxanthin have been linked to improved contrast sensitivity, which enhances the ability to distinguish between different shades of colors and see details more clearly.

Broccoli also provides vitamin C, an antioxidant that supports the health of blood vessels in the eyes. Vitamin C is essential for the formation and maintenance of collagen, a protein that provides structural support to the blood vessels in the eyes. By promoting strong and healthy blood vessels, vitamin C helps prevent conditions like diabetic retinopathy and other eye-related complications.

Including broccoli in your diet, whether raw, steamed, or lightly cooked, can provide a valuable boost to your eye health. Pairing it with other colorful fruits and vegetables further enhances the overall nutritional support for your eyes. However, it’s important to note that while broccoli can be beneficial, it is not a substitute for regular eye exams, proper eye care, and a balanced lifestyle. If you have specific concerns about your eye health, it’s advisable to consult with an eye care professional for personalized guidance and recommendations.

Promotes Heart Health

Broccoli is a powerhouse vegetable that promotes heart health in various ways. Firstly, its high fiber content makes it an excellent addition to a heart-healthy diet. The soluble fiber found in broccoli helps lower LDL (bad) cholesterol levels by reducing its absorption in the intestines. By reducing LDL cholesterol, broccoli aids in maintaining healthy blood lipid profiles and decreasing the risk of cardiovascular diseases such as heart attacks and strokes.

Additionally, broccoli is rich in antioxidants, including vitamin C, beta-carotene, and flavonoids, which play a crucial role in protecting the heart. These antioxidants work to neutralize harmful free radicals, preventing oxidative stress and inflammation in the blood vessels. By reducing oxidative stress, broccoli contributes to the overall health of the cardiovascular system.

Moreover, broccoli contains potassium, a mineral known for its role in maintaining healthy blood pressure levels. Potassium helps counterbalance the effects of sodium in the body, helping to regulate blood pressure and reduce the risk of hypertension. By incorporating broccoli into their diet, individuals can support optimal potassium intake and promote heart health.

Broccoli is also rich in heart-healthy nutrients such as folate and magnesium. Folate aids in lowering homocysteine levels, an amino acid associated with an increased risk of heart disease. Magnesium, on the other hand, helps maintain a regular heartbeat and supports normal blood pressure levels.

Furthermore, broccoli’s low-calorie and high-fiber nature make it an ideal choice for weight management, a key factor in maintaining a healthy heart. By including broccoli in a balanced diet, individuals can enjoy a nutrient-dense food that helps control calorie intake and supports a healthy weight, reducing the risk of heart-related conditions.

To promote heart health, consider incorporating broccoli into your meals and snacks. However, it’s important to remember that maintaining a healthy heart goes beyond a single food. Regular physical activity, avoiding smoking, moderate alcohol consumption, and a well-rounded diet are essential components of a heart-healthy lifestyle. If you have specific concerns or dietary restrictions, consulting with a healthcare professional or registered dietitian is recommended for personalized advice and guidance.

Skin Health

Broccoli is not only beneficial for your overall health but also contributes to the health and appearance of your skin. Here’s how broccoli supports skin health:

  1. Vitamin C Boost: Broccoli is rich in vitamin C, a powerful antioxidant that plays a vital role in maintaining healthy skin. Vitamin C promotes collagen synthesis, a protein that provides structure and elasticity to the skin. By supporting collagen production, broccoli helps to keep your skin firm and reduce the appearance of fine lines and wrinkles.
  2. Skin Radiance: The high levels of antioxidants in broccoli, including vitamin C and beta-carotene, help combat free radicals and oxidative stress in the body. These antioxidants protect the skin from damage caused by environmental factors, such as pollution and UV radiation. Regular consumption of broccoli can help maintain a youthful and radiant complexion.
  3. Skin Cell Regeneration: Broccoli contains various nutrients, such as vitamin A, vitamin K, and folate, which are important for skin cell regeneration. Vitamin A aids in the production of new skin cells and promotes their proper growth and development. Vitamin K plays a role in the healing process of skin wounds and helps reduce the appearance of bruises or dark circles under the eyes. Folate contributes to healthy skin cell turnover, allowing for the renewal of skin tissue.
  4. Hydration and Nourishment: Broccoli has a high water content, which helps keep your skin hydrated and supple. Proper hydration is essential for maintaining the skin’s elasticity and preventing dryness and dullness. Additionally, the vitamins and minerals present in broccoli nourish the skin from within, promoting a healthy and glowing complexion.
  5. Reduced Inflammation: Broccoli contains anti-inflammatory compounds, such as sulforaphane, that help reduce inflammation in the body, including the skin. Inflammation is often associated with skin conditions like acne, eczema, and psoriasis. By incorporating broccoli into your diet, you can potentially alleviate inflammation-related skin issues and promote a calmer complexion.

Potential downsides

While broccoli offers numerous health benefits, it’s essential to consider potential downsides or considerations associated with its consumption. Here are a few factors to keep in mind:

Thyroid problems

Thyroid problems can occur when the thyroid gland, located in the neck, fails to produce sufficient amounts of thyroid hormones (hypothyroidism) or produces an excess of these hormones (hyperthyroidism). While broccoli is generally considered a healthy vegetable, individuals with thyroid problems may need to be cautious due to its potential impact on thyroid function.

Broccoli belongs to the cruciferous vegetable family, which also includes cabbage, cauliflower, kale, and Brussels sprouts. These vegetables contain compounds known as goitrogens, which can interfere with thyroid function by inhibiting the absorption of iodine, a crucial nutrient for thyroid hormone production.

However, it’s important to note that normal dietary intake of cruciferous vegetables, including broccoli, is generally safe for individuals with healthy thyroid function. The goitrogenic effect of these vegetables is typically observed when they are consumed in large amounts or when the iodine intake is already insufficient.

For individuals with existing thyroid conditions or those taking thyroid medication, it’s advisable to consult with a healthcare professional for personalized recommendations. In some cases, they may recommend moderate consumption of cruciferous vegetables or specific preparation methods, such as cooking or steaming, which can help reduce the goitrogenic compounds and minimize any potential impact on thyroid function.

Furthermore, it’s important to address iodine intake when considering thyroid health. Iodine is essential for thyroid hormone synthesis, and a deficiency or excess can have implications for thyroid function. Ensuring an adequate intake of iodine through iodized salt, seafood, dairy products, and other iodine-rich foods can help support thyroid health.

Blood thinners

Blood thinners, also known as anticoagulants, are medications prescribed to individuals with certain medical conditions, such as atrial fibrillation, deep vein thrombosis, or a history of blood clots. These medications help prevent the formation of blood clots by interfering with the clotting process. If you are taking blood thinners, it’s important to be mindful of your diet and potential interactions with certain foods, including broccoli.

Broccoli, like other green leafy vegetables, is a rich source of vitamin K. Vitamin K plays a crucial role in blood clotting, as it is involved in the production of clotting factors. When you consume foods high in vitamin K, such as broccoli, it can counteract the effects of blood thinners and potentially reduce their effectiveness.

However, it’s important to note that maintaining a consistent intake of vitamin K-rich foods, including broccoli, is still important for overall health and nutrition. The key is to find the right balance and ensure that your intake remains consistent to avoid fluctuations in the effectiveness of your blood thinners.

If you are taking blood thinners, it’s recommended to work closely with your healthcare provider or a registered dietitian to establish a suitable dietary plan. They can provide guidance on managing your vitamin K intake while ensuring a well-rounded and nutritious diet.

In some cases, your healthcare provider may recommend monitoring your blood clotting levels through regular blood tests, such as the International Normalized Ratio (INR) or Prothrombin Time (PT). This allows them to adjust your medication dosage as needed to maintain the desired anticoagulation effects.

Remember, it’s important to follow your healthcare provider’s recommendations and not make any drastic dietary changes or eliminate vitamin K-rich foods without their guidance. Open and transparent communication with your healthcare team is key to ensuring the safe and effective management of your blood thinners while still enjoying a varied and healthy diet.

Allergies or Sensitivities:

While broccoli is generally well-tolerated and considered safe for consumption, it is possible for individuals to have allergies or sensitivities to this vegetable. Allergic reactions to broccoli are relatively rare, but they can occur in some individuals. Here’s what you need to know about allergies or sensitivities related to broccoli:

Allergies: Broccoli allergy is typically associated with an allergic reaction to a specific protein present in the vegetable. Symptoms of a broccoli allergy may include:

  1. Skin Reactions: Itching, hives, redness, or swelling of the skin after consuming or coming into contact with broccoli.
  2. Respiratory Symptoms: Wheezing, difficulty breathing, or a runny nose.
  3. Gastrointestinal Issues: Nausea, vomiting, or diarrhea.

If you suspect that you have a broccoli allergy, it’s important to consult with a healthcare professional or allergist for proper diagnosis and guidance. They may recommend allergy testing, which can help identify the specific allergen responsible for the reaction. In cases of confirmed broccoli allergy, avoidance of broccoli and related foods is the primary management approach.

Sensitivities: Some individuals may experience sensitivities to broccoli, which are less severe than allergies but can still cause discomfort or digestive issues. Sensitivities to broccoli may manifest as:

  1. Digestive Symptoms: Bloating, gas, abdominal discomfort, or diarrhea after consuming broccoli.
  2. Oral Symptoms: Itching or tingling sensation in the mouth or throat.

If you have sensitivities to broccoli, it may be helpful to moderate your intake or adjust your cooking methods. Cooking broccoli thoroughly can help break down certain compounds and make it easier to digest. Steaming or blanching broccoli may be preferable for those with sensitivities, as it can soften the vegetable and reduce potential digestive symptoms.

It’s worth noting that individuals with pollen allergies may experience cross-reactivity between certain pollens and raw broccoli. This is known as oral allergy syndrome (OAS) and can cause mild allergic reactions, such as itchiness or tingling in the mouth or throat. Cooking broccoli can often alleviate these symptoms, as the heat denatures the proteins responsible for the cross-reactivity.

If you suspect you have a sensitivity to broccoli or experience any adverse reactions after consuming it, it’s advisable to seek medical advice for proper evaluation and guidance.


In conclusion, broccoli is a nutrient-dense vegetable that offers a wide range of health benefits. With its high content of vitamins, minerals, fiber, and beneficial plant compounds, including it in your diet can contribute to overall well-being. From supporting heart health to aiding digestion and potentially reducing the risk of certain cancers, broccoli is a valuable addition to a balanced and nutritious eating plan. While some individuals may need to consider potential downsides or allergies, for most people, enjoying broccoli in various cooking methods can be a delicious and nutritious way to enhance their meals and promote a healthy lifestyle.

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