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Asparagus is a popular vegetable in many parts of the world. Depending on the type of asparagus, people eat it raw or cooked, and in dishes such as soups, stews, salads, or on its own.
The nutrients in asparagus can support heart and bone health, while the folate and iron that it contains may be especially beneficial during pregnancy.
Here, learn more about the vegetable’s nutritional contents, possible health benefits, and how to incorporate it into the diet.
The nutrients in asparagus can provide a range of health benefits.
Supporting fetal development
Folate is an essential nutrient, and it is especially important at times of rapid growth, such as during gestation, infancy, and adolescence.
Which foods should you eat or avoid during pregnancy? Find out here.
Lower risk of depression
It may do so by preventing too much homocysteine from forming in the body. Homocysteine is an amino acid that
If too much homocysteine is present, it may also interfere with the production of the feel-good hormones serotonin, dopamine, and norepinephrine. These hormones regulate mood, sleep, and appetite.
Can diet affect how a person with depression feels? Find out here.
The evidence comes from studies in which people took folate supplements. However, dietary sources of folate may also be beneficial.
The body naturally produces toxic molecules known as free radicals, and if too many build up, they
Find more information on antioxidant-rich foods here.
One cup of asparagus provides almost 10% of a person’s daily requirement of phosphorus and between one-sixth and one-third of their requirement of iron.
Learn more about how to maintain bone strength naturally.
According the ODS, scientists have found links between low folate levels and various forms of cancer. However, they note that more research is necessary to identify what role dietary folate may play.
Fiber may help prevent colorectal cancer, according to results of a population-based
Is there a link between a person’s diet and their risk of cancer?
Asparagus is rich in fiber and water. Both help prevent constipation and maintain a healthy digestive tract.
Learn more about high fiber foods.
Asparagus is available in various forms — it may be frozen, raw, precooked, or preserved. The nutritional contents vary accordingly.
The table below shows the amount of each nutrient in
It also shows how much of each nutrient an adult needs, according to the
|Nutrient||Amount in 1 cup||Daily adult requirement|
|Carbohydrate (g)||5.2, including 2.5 g of sugar||130|
|Calcium (millgrams [mg])||32.2||1,000–1,300|
|Selenium (micrograms [mcg])||3.0||55|
|Vitamin C (mg)||7.5||65–90|
|Folate (mcg, DFE)||69.7||400|
|Betaine (mg)||0.8||No data|
|Beta carotene (mcg)||602||No data|
|Lutein & zeaxanthin (mcg)||951||No data|
|Vitamin E (mg)||1.5||15|
|Vitamin K (mcg)||55.7||75–120|
|Vitamin A (mcg) RAE||50.9||700–900|
Asparagus also contains B vitamins and a range of antioxidants.
Find out more about the potential health benefits of various vegetables.
Asparagus can be green, white, or purple. People should buy it when the stalks are dry and tight, not soft, limp, or wilted. A person can eat it raw or cooked.
To keep asparagus fresh, wrap the stem ends in a wet paper towel, and store the asparagus in a plastic bag in the refrigerator.
A person can eat young asparagus whole. However, it may be a good idea to remove the bottoms of older, larger, thicker stems, as these can be tough and woody.
Tips for preparing and serving
Here are some tips for incorporating asparagus into the diet:
- Steam whole asparagus for 5 minutes, then add minced garlic and a drizzle of olive oil.
- Add a handful of fresh asparagus to an omelet or scramble.
- Saute asparagus in a little olive oil and minced garlic. Season it with freshly ground black pepper and a sprinkle of freshly grated Parmesan cheese.
- Add chopped asparagus to a salad or wrap.
- Place asparagus on a large piece of aluminum foil. Add lemon juice and a drizzle of olive oil, wrap the vegetables in the foil and bake them for 20 minutes at 400°F, or until the asparagus reaches desired tenderness.
Registered dietitians have developed most of the following tasty recipes:
People with certain health conditions should not eat too much asparagus.
Vitamin K plays a role in blood clotting. Anyone who is taking a blood thinner, such as warfarin (Coumadin), should not suddenly increase or decrease their consumption of vitamin K. It is important to discuss any major dietary changes with a doctor first.
Also, asparagus extract supplements are available for purchase, but speak to a doctor before trying these or any other supplements.
Supplements can interfere with medication or be otherwise unsuitable for some people.
Like many vegetables, asparagus can make a tasty and healthful addition to the diet.
According to the Environmental Working Group’s assessment for 2019, asparagus is also among the 15 types of produce least likely to contain significant amounts of pesticides.
When considering the reported health benefits of any food, it is worth remembering that researchers tend to work with higher concentrations of nutrients than those available from food.
It is more important to consume a balanced, healthful diet than to boost the intake of any one fruit or vegetable, for example.
Various asparagus products are available for purchase online.
Is it a good idea to take asparagus supplements for my health? Can I take them during pregnancy?
Asparagus can be very beneficial to your health, for many reasons, but it is best to get these benefits from the food instead of a supplement.
However, if you are thinking about taking an asparagus supplement, speak to your doctor first to ensure that it is safe and right for you, especially if you are pregnant, on any type of medication, or have a medical condition.