What is the nutritional value of pak choi

Pak choi, also called bok choy or Chinese cabbage, is a crisp, juicy leafy green that offers strong nutrition for very few calories. When we ask what is the nutritional value of pak choi, we are really asking how this simple vegetable can support heart health, weight control, gut health, bone strength and immune function at the same time. For people in the United States who care about a clean diet and fitness, pak choi can be a very handy food to keep in the fridge, because it cooks fast and fits into low carb, low calorie and high nutrient eating plans.

Nutrition at a glance for pak choi

The nutritional value of pak choi below is based on raw, chopped pak choi, about 1 cup (roughly 70 grams). Values are approximate and can shift slightly by variety and growing conditions.

Nutrient Amount per 1 cup raw (70 g) Key role in the body
Calories ≈ 10 kcal Energy for daily activity
Total Carbohydrates ≈ 1.5 g Primary energy source
Fiber ≈ 1.0 g Gut health, fullness
Total Sugars < 1 g (natural) No added sugar, gentle on blood sugar
Protein ≈ 1.0 g Tissue repair, muscle support
Total Fat < 0.5 g Very low fat
Saturated Fat 0 g Heart friendly
Vitamin A ≈ 30–35% DV Vision, immune support, skin
Vitamin C ≈ 25–30% DV Antioxidant, collagen, immune health
Vitamin K ≈ 40–45% DV Blood clotting, bone health
Folate (B9) ≈ 10–12% DV Cell growth, pregnancy health
Calcium ≈ 6–8% DV Bone and teeth strength
Potassium ≈ 6–8% DV Blood pressure and fluid balance
Iron ≈ 3–4% DV Red blood cells and energy
Magnesium ≈ 3–5% DV Muscle function, nerves, blood sugar
Sodium < 70 mg Naturally low, depends on preparation
Cholesterol 0 mg Plant food, no cholesterol

Serving size reference

For most home cooks in the US, 1 serving of pak choi is:

  • About 1 cup chopped raw
  • Or 1/2 to 3/4 cup cooked (it shrinks when cooked)
  • Or 1 small whole baby bok choy

For a stir fry meal or soup, many active adults will eat 2 to 3 of these servings without problem, since pak choi is very low in calories. In a balanced plate, we often aim for half the plate non starchy veggies, and pak choi can easily fill that space.

Calorie content of pak choi

The nutritional value of pak choi makes it a classic low calorie density food. One full cup gives roughly 10 calories, which is less then many people burn in a few minutes of light walking. This low energy load means we can eat a large volume, feel like we had a big portion, and still keep total calories low. For weight loss or body recomposition, swapping higher calorie side dishes with pak choi and other leafy greens can help create that steady calorie deficit without constant hunger.

Macronutrient breakdown

Carbohydrates

Per cup, pak choi holds about 1.5 grams of carbs. That is very small compared to grains or starchy vegetables. Most of these carbs come from simple plant sugars and a bit of starch, mixed into a high water, high fiber structure. This carb level tends to be friendly even for many low carb and moderate ketogenic diet plans, especially when used as a base for protein rich dishes.

Fiber content

Each cup of raw pak choi gives roughly 1 gram of fiber. That might sound small, but becuase we usually eat 2 to 3 cups in a meal, the fiber adds up. The mix of soluble and insoluble fiber helps support regular bowel movements, feeds healthy gut bacteria, and supports more steady appetite control. Many US adults fall short on fiber, and simple choices like adding pak choi to soups, noodles or egg dishes can push intake closer to the 25 to 38 grams per day we aim for.

Sugars, natural vs added

The sugars in pak choi are natural plant sugars, under 1 gram per cup. There is no added sugar unless we add sauces or marinades. People with diabetes, prediabetes, or insulin resistance can use pak choi as a safe base vegetable, then watch the sauces they combine with it. Simple garlic, ginger and a tiny splash of low sodium soy sauce is usually enough to bring flavor without loading on sugar.

Protein content

Pak choi has about 1 gram of protein per cup. This will not replace a main protein source like chicken, tofu or beans, but it adds up across the day. More important, the amino acids in leafy greens can help round out overall protein quality when we eat a mixed diet. In Asian stir fry dishes, pak choi often sits under shrimp, beef, tempeh or eggs, helping build a well rounded macronutrient plate.

Fat content

Fat in pak choi is almost zero. Any fat in a dish with this vegetable usually comes from added oil. That gives us control. If our goal is light, lower fat eating, we can lightly steam or dry stir fry pak choi with broth instead of oil. If we want healthy fats for satiety, we can cook it in avocado oil or olive oil, or top it with sesame seeds and nuts.

Saturated fat

Because the vegetable has no real fat of its own, saturated fat is also zero. For people trying to limit saturated fat for heart health, this makes pak choi a safe base ingredient where the only saturated fats will come from animal proteins, butter or coconut oil added to the recipe.

Trans fat

Fresh pak choi contains no trans fat. Trans fats only show up if it is cooked in certain processed shortenings or reused frying oils, which we strongly do not recommend for regular home use.

Vitamin content in pak choi

The nutritional value of pak choi shines in its vitamin profile. We get a lot of micronutrients per calorie, which is what we want when we try to eat nutrient dense.

Key vitamins in 1 cup raw pak choi include:

  • Vitamin A (as beta carotene) around 30 to 35 percent of daily needs, supports night vision, skin repair and immune defense.
  • Vitamin C around 25 to 30 percent of daily value, important for collagen formation, wound healing, iron absorption and protection against oxidative stress from hard workouts or pollution.
  • Vitamin K roughly 40 to 45 percent DV, key for normal blood clotting and supporting bone mineral density. This is a fat soluble vitamin, so pairing pak choi with a little healthy oil helps absorption.
  • Folate (Vitamin B9) about 10 to 12 percent DV, crucial during pregnancy and for cell division, also helpful for heart health by aiding homocysteine metabolism.
  • Small but useful amounts of other B vitamins like B6, thiamin and riboflavin, which help turn food into usable energy.

Mineral content in pak choi

Packed into that crunchy stalk and dark green leaves we find an excellent mineral mix for bones, muscles and circulation.

Main minerals per cup include:

  • Calcium around 6 to 8 percent DV, more absorbable then from some other greens, since oxalate levels are lower compared to spinach.
  • Potassium around 6 to 8 percent DV, works with sodium to keep blood pressure in a healthier range and supports muscle function.
  • Magnesium roughly 3 to 5 percent DV, involved in hundreds of enzyme systems, including those that control nerve function, muscle contraction and sugar metabolism.
  • Iron about 3 to 4 percent DV, non heme plant iron that works best when eaten with vitamin C, which pak choi already contains.
  • Trace amounts of manganese, phosphorus and zinc, that work quietly in bone strength, antioxidant defense and immune health.

Sodium content

Fresh pak choi has less then 70 milligrams of sodium per cup, which counts as low sodium. When people say leafy greens are “free foods” in a heart healthy plan, they often mean veggies like this one. The tricky part comes from sauces. Soy sauce, oyster sauce and some bottled stir fry sauces in the US can add hundreds of milligrams of sodium. To keep a low sodium eating pattern, we can use reduced sodium soy sauce and more herbs, garlic, ginger and rice vinegar for flavor.

Cholesterol content

There is zero cholesterol in pak choi because it is a plant. Cholesterol only comes from animal foods like meat, eggs and dairy. This makes the vegetable useful for people who follow a plant forward or fully plant based pattern to support heart health and cholesterol management.

Glycemic impact and blood sugar notes

Because pak choi is very low in carbs and high in water and fiber, its glycemic impact on blood sugar is tiny. It will barely move blood glucose on its own. When building meals for diabetes or prediabetes, we want plenty of foods like this that add volume and nutrients without adding much glucose load. Stir frying pak choi with lean chicken or tofu and serving it over a small portion of brown rice or quinoa can help keep post meal sugar rises more gentle compared to large bowls of refined noodles or white rice alone.

Digestive considerations

Most people digest pak choi very well, but there are a few points we should be honest about. The fiber can cause gas in some people, especially if gut health is already off or fiber intake jumps fast. Also, pak choi is in the cruciferous vegetable family, along with broccoli, kale and cabbage. Some people with irritable bowel syndrome notice that large amounts of cruciferous veggies increase bloating or cramps. Often, lightly cooking the vegetable and starting with smaller portions makes tolerance much better. The gentle crunch of quick sautéed pak choi usually sits easier on the stomach then raw piles of shredded cabbage.

Allergen information

Pak choi itself is not among the common top allergens like wheat, soy, dairy, eggs, peanuts or shellfish. True allergy to this vegetable is rare, but cross reactivity can occur in people with mustard or other brassica family allergies. If someone notices mouth itching, tingling or throat discomfort after eating pak choi, they should stop and speak with a health provider or allergist before trying again.

Antinutrients and absorption notes

Leafy greens often contain compounds that can bind minerals. Pak choi has some oxalates, but usually less then spinach, and some goitrogens, which are substances that can effect thyroid function in very large amounts. For most healthy people in the US, eating cooked pak choi a few times per week will not cause thyroid problems. Cooking and lightly steaming also lowers goitrogen activity to a degree. When someone already has thyroid disease, especially if iodine intake is low, they may want to rotate cruciferous vegetables and avoid drinking large amounts of raw juiced pak choi daily.

Health considerations of eating pak choi

When we look at the nutritional value of pak choi as a whole, a few key health themes appear: cardio health support, weight managment help, digestive support, immune and eye health protection, and bone support. The combination of potassium, low sodium, zero cholesterol and virtually no saturated fat fits standard heart healthy dietary guidelines. The low calorie density and fiber help people feel satisfied with fewer calories. The vitamin C, beta carotene and other antioxidants help our cells deal with everyday oxidative stress from exercise, work and urban living.

Potential benefits of pak choi

Some practical benefits for real life eating patterns include:

  • Weight control we can fill half a dinner plate with pak choi for under 40 calories, which helps maintain a calorie deficit without that sense of restriction.
  • Workday energy nutrient dense greens like this help steady energy by supporting iron status, B vitamins and blood sugar balance.
  • Post workout recovery vitamin C and antioxidants may aid tissue repair after hard gym sessions, while potassium supports muscle function.
  • Bone and joint support calcium, magnesium and vitamin K all play into bone health, which matters a lot as we pass our 30s and want to keep lifting and running injury free.

Potential concerns or limitations

A few points where caution or balance makes sense:

Very large intakes of raw pak choi daily have been linked in rare cases to thyroid issues, especially when iodine intake is low. This usually involves drinking large amounts of green smoothies made mostly from this vegetable. For people on blood thinners like warfarin, the high vitamin K content means intake should be consistent day to day, not jumping from none to several cups suddenly, so medication dosing stays stable. Also, people with sensitive digestion may need to build up portions slowly.

Portion size guidance

For most healthy adults, 1 to 3 cups cooked pak choi in a meal is a very reasonable range. For kids, start with half cup cooked. When we load the plate with this veggie, we create space to shrink portions of higher calorie foods like refined starches or heavy sauces. People with smaller appetites or those new to high fiber eating may feel best beginning closer to 1 cup cooked per day.

Frequency of consumption

Many dietary patterns that support long term health include leafy greens most days of the week. Pak choi can easily show up 3 to 5 times per week as part of that mix, sharing rotation with kale, collards, romaine and arugula. The variety helps lower any risk from overdoing a single plant compound, while keeping meal planning interesting.

Raw vs cooked pak choi

Raw pak choi is crisp, juicy and slightly peppery. Cooking it softens the stalks and mellows the flavor. From a nutrition view, raw leaves hold more vitamin C and some B vitamins, which can break down with heat. Cooked versions release certain antioxidants and can make minerals like calcium easier to absorb, and usually digest gentler. Many of us like a mix in the week, maybe raw in a slaw one day and quickly stir fried with garlic the next.

Fresh vs packaged or canned

In most US grocery stores, we meet pak choi as fresh heads in the produce section. Some Asian markets carry baby bok choy or pre chopped mixes. Fresh versions tend to have the best texture and highest vitamin C. Frozen pak choi is less common but can also be nutricious if blanched and frozen soon after harvest. Canned forms are rare and often come packed with extra sodium, so for a heart smart eating plan, fresh or frozen will be the better choice.

Cultural and traditional uses

Pak choi has a long history in Chinese, Korean and other East Asian cuisines. It shows up in noodle soups, dumpling fillings, hot pots, braises and simple stir fries with garlic and ginger. Many of these traditional dishes pair the vegetable with lean proteins and fermented foods, which creates a well rounded, gut friendly pattern of eating. When we bring pak choi into American kitchens, we can respect those roots while also blending it into omelets, grain bowls, tacos or sheet pan dinners.

How pak choi fits into a balanced diet

From a nutrition planning view, pak choi falls squarely into the non starchy vegetable group. That means we can use it generously at meals, aiming for:

  • Half the plate non starchy veggies like pak choi, broccoli, peppers or salad greens
  • One quarter plate lean protein such as chicken, fish, eggs, tofu or beans
  • One quarter plate smart carbs like brown rice, quinoa, sweet potato or whole grain pasta

This simple plate model works for weight loss, general health, blood sugar balance and often for people trying to support healthy lipids. The nutritional value of pak choi lines up with this model nearly perfect, which is why dietitians and nutritionists often suggest it as a go to green.

Pairing suggestions

To pull more from the nutritional value of pak choi, certain pairings make sense:

Pairing with a bit of avocado oil, olive oil or sesame oil helps absorb fat soluble vitamins like A and K. Cooking it with garlic and onion brings extra prebiotic compounds for gut health. Serving with citrus, such as a squeeze of lemon or orange, improves iron absorption. Combining with tofu, tempeh or fish builds a complete, protein rich, micronutrient dense meal that still feels light.

Storage and shelf life

Fresh pak choi keeps best in the fridge, lightly wrapped in a breathable produce bag or paper towel, then placed in the crisper drawer. Most heads stay fresh 3 to 5 days. We can wash it right before cooking rather then washing ahead, to lower risk of soggy leaves. If the outer leaves start to wilt, they often can be trimmed away while the inner stalks remain crisp enough for soup or stir fry. Once cooked, leftovers should be stored in the fridge and used within 2 to 3 days for best flavor and safety.

Comparison with similar greens

When we compare the nutritional value of pak choi with other leafy greens, a few points stand out. It has less oxalate then spinach, which can be helpful for people who need to watch kidney stone risk. It tends to be milder and sweeter in flavor then kale, which makes it easier for kids or picky eaters. Compared with iceberg lettuce, pak choi carries far more vitamin A, C and K. In short, it sits in that happy middle place where nutrition is strong but the taste is not harsh or bitter.

Frequently asked questions

Is pak choi good for weight loss?

Yes, it fits very well into weight loss plans because it is low in calories, high in water and fiber, and works as a satisfying volume food. The key is still overall calorie balance, but adding pak choi usually makes that easier rather then harder.

Can people with diabetes eat pak choi?

Most people with diabetes can safely eat pak choi, since its effect on blood sugar is tiny. It can help bulk up meals without adding many carbs, which helps dishes feel more filling while keeping carb counts lower.

Is pak choi keto friendly?

Yes. With around 1.5 grams of carbs per cup, pak choi usually fits into ketogenic and low carb meal plans, especially when paired with higher fat foods and proteins.

Does pak choi have a lot of vitamin K?

It has a fairly high vitamin K level per cup. For healthy people this is a good thing for bones and blood. People on warfarin or other vitamin K sensitive medicines should keep intake steady and talk with their care team if they plan big changes in leafy green intake.

Nutrition data source note

The nutrient values used here are based on averages from standard food composition databases and typical raw pak choi as sold in US markets. Actual nutrition can vary by brand, soil quality, harvest time and preparation method. When medical conditions are present, personal advice from a registered dietitian or qualified health professional is always the safer path.

When we look closely at what is the nutritional value of pak choi, we see a low calorie, high nutrient vegetable that brings fiber, vitamins A, C and K, folate, calcium and potassium to the table with almost no fat, sugar or cholesterol. For people who care about health, fitness and smart eating patterns in daily American life, regular servings of pak choi can quietly support better weight control, stronger bones, more steady energy and better long term heart and metabolic health.

I’m Jotham. I hold a Bachelor of Science in Nutritional Sciences from Rutgers University and I am a certified nutritionist. For nearly twenty years I have worked in healthcare settings, most recently at CAMcare Health Corporation, helping people shape balanced, sustainable eating patterns that fit their lives.

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