Bok Choy Benefits: Weight Loss, Antioxidants & Nutrients


Nutritional Properties of Bak ChoiBok choy is one of, if not the most popular vegetable to cook with in China, yet still not widely used in America.

Very low in calories but high in many health-promoting nutrients, bok choy is a green superfood well worth using more of in your daily cooking.

What Is Bok Choy?

Originally from China where it has been cultivated for centuries, bok choy is now grown for the US market, predominantly in California and Alberta in Canada.

While it is a member of the cabbage family, it doesn’t really look like one. The shape is closer to a celery, with thick white stalks and dark green rounded leaves.

You may also find bok choy referred to as pak choy, bak choi, paak choi, Chinese mustard cabbage and Chinese chard cabbage.

What Does It Taste Like?

I personally think bok choy has a much lighter taste than regular cabbage and a better texture for cooking with as well. I use it regularly in healthy stir fries and occasionally in soups and salads as well.

On its own the flavor has been described as a cross between cabbage and iceberg lettuce, with a slight mustard tang to it (though only the most delicate of taste buds would find it particularly strong).

In recipes, it will tend to take on the flavor of whatever it is cooked with. This, along with all the beneficial effects and nutritional properties mentioned ahead, make bok choy a great low-calorie base for many meals.

3 Nutritional Benefits of Bok Choy

1. Very Low Calories and Carbs

1 cup of chopped bok choy (around 170 grams) has just 20 calories and only 3 grams of carbohydrates.

This is so low it is considered in the negative calorie category of foods, whereby your body actually uses up more calories digesting it than are in the food itself. It also has a glycemic load of 1 (as low as you can get).

Bok choy is clearly a great vegetable for weight loss and just eating it has a natural thermogenic effect.

Pak choy vitamins and minerals

2. Antioxidant Carotenoids

Most nutritional information for bok choy will tell you that it is extremely high in vitamin A. This isn’t strictly true.

What it is really high in is antioxidant carotenoids like beta-carotene that can be converted into vitamin A if needed.

If you have enough vitamin A in your diet from sources like organic eggs, or perhaps best of all, a good cod liver oil like this (which is importantly also high in complementary vitamin D), then you won’t convert these carotenoids.

They will remain in their current form, circulating in your body to extinguish free radicals and prevent them from damaging cells in ways that can lead to various diseases. This is a role that is more beneficial to anyone that isn’t already low on vitamin A.

That said, bok choy is  a good source of potential vitamin A for vegans and vegetarians. Ideally have it in meals with healthy fats to aid in beta-carotene absorption.

This green superfood is also a good way to obtain two other valuable carotenoids — lutein and zeaxanthin.

These nutrients are particularly good for protecting your eyes from damaging UV and high-intensity blue light. Having enough of them in your diet can help protect your vision now and lessen your chances of developing age-related macular degeneration and cataracts later in life.

Other interesting antioxidants in bok choy include indole-3-carbinol, which is being studied for its anti-carcinogenic properties and for its ability to suppress estrogen’s negative effects.

Thiocyanate, which is associated with reducing the damage caused to cells by the body’s inflammatory response, particularly in the case of diseases like cystic fibrosis and diabetes.

And sulforaphane, which has been shown to be a powerful protector against free radical compounds and oxidative damage within your body.

3. Vitamins and Minerals

Vitamin C is another powerful antioxidant found in this high nutrition vegetable. A cup of chopped pak choy leaves contain around 45 mg or 75% of the recommended daily allowance.

Unfortunately vitamin C is easily depleted by high heat, usually over 160 degrees Fahrenheit or 70 degrees Celsius. For this reason it’s best to add it at the later stages to stir fries and other meals.

It is also much better to steam these greens in a universal steamer like this that protects the nutrients than boil them, where much of the nutritional value is leached into the boiling water.

Another even healthier option is to juice or blend it. Bok choy juice and green smoothies are a simple and delicious way to get all of its nutrition in a highly absorbable form.

Other vitamins in bok choy include significant levels of vitamin K and a variety of B vitamins, especially folate. Vitamin K is essential for proper calcium metabolism and preventing many diseases of inflammation, such as osteoporosis and arthritis.

B vitamins are needed for proper digestion, energy production, a well functioning brain and nervous system and reducing stress, healthy skin and hair and a variety of other important functions within your body.

The folate in bok choy helps to produce and maintain new cells, protecting them from DNA changes that can contribute to them turning cancerous.

Folate is necessary for the production of both red and white blood cells and can have a protective effect on your heart and cardiovascular system.

Alongside all the antioxidants and vitamins, this vegetable provides a good spectrum of minerals. Calcium, iron, potassium and selenium are most often measured as the predominant ones in terms of RDA, but the smaller amounts of other minerals are also important.

Better Than Multivitamins

I hope this page has provided enough reasons to include more of this high nutrition superfood into your daily diet.

Despite having next to no calories, bok choy has many benefits and is an excellent way to get a variety of vitamins, minerals and protective antioxidants into your diet.

Being natural, rather than synthetic, these nutrients are much more easily absorbed by your body than lab engineered multivitamins.

I’d really like to read your comments if you have cooked with bok choy before and have any healthy recipes based around it. Next up I’ll be covering in detail the best ways to use bok choy in your meals.

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