Which Is Better for Calcium, Vitamin C, and Folate?

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Asparagus and broccoli both contain beneficial nutrients, such as fiber, vitamins, and minerals, though their nutrient profiles differ slightly.

Which Is More Nutritious?

Broccoli and asparagus share a significant overlap in nutrient content, despite belonging to different families and having some differences in types and amounts of nutrients.

Main differences between the nutritional composition of asparagus and broccoli include:

  • Asparagus has higher amounts of iron, vitamin E, and folate than broccoli.
  • Broccoli is higher in calcium and potassium.
  • Broccoli contains more vitamin C and vitamin K.
Asparagus vs. Broccoli: Nutrition Comparison
  Asparagus (100 g) Broccoli (100 g)
 Calories 28 39
 Protein 2.4 g 2.57 g
 Fat 0.22 g 0.34 g
 Carbohydrates 4.11 g 6.27 g
 Fiber 2 g 2.5 g
Calcium  23 milligrams (mg) 46 mg
 Iron 0.91 mg 0.69 mg
 Magnesium 14 mg 21 mg
 Phosphorus 54 mg 67 mg
 Potassium 224 mg303 mg 
 Sodium 14 mg36 mg 
 Zinc 0.6 mg 0.42 mg
 Vitamin C 7.7 mg 91.3 mg
 Niacin 1.08 mg 0.639 mg
 Vitamin B6 0.079 mg 0.191 mg
 Folate 149 µg 65 µg
Vitamin K50.6 µg102 µg
Vitamin E1.5 mg0.15 mg

Benefits of Asparagus and Broccoli

Asparagus and broccoli contain more protein than many other vegetables, making them a particularly good dietary choice for those who don’t consume animal products.

They both contain:

  • Calcium: Supports bone and teeth structure.
  • Fiber: Helps with satiety and digestive health
  • Vitamin C: Helps support the immune system
  • Glutathione: Acts as an antioxidant and helps protect against cell damage and may have a protective effect against certain health conditions
  • Rutin: Acts as an antioxidant and helps strengthen blood vessels
  • Vitamin K: Helps with calcium absorption, bone health, and blood coagulation
  • B vitamins: May act as mood boosters
  • Folate: Helps make DNA and other genetic material
  • Lutein: Supports eye health
  • Sulforaphane: Has antioxidant and anti-inflammatory properties
  • Other beneficial nutrients: Asparagus and broccoli also contain vitamins A, E, and B6, copper, iron, calcium, and more.

However, unlike asparagus, broccoli contains glucosinolates, sulfur-rich compounds primarily found in cruciferous vegetables. Glucosinolates may help protect against certain chronic diseases.

Colored asparagus, such as green and purple, is higher in nutrients than white asparagus.

Other Health Benefits

Regularly consuming the nutrients found in asparagus and broccoli has been associated with other health benefits, including:

  • Supporting heart and bone health
  • Reducing risk of neural tube defects
  • Helping regulate blood sugar and blood pressure
  • Reducing risk of certain cancers
  • Preventing acid reflux
  • Helping with constipation relief
  • Promoting a healthy gut microbiome

Tips for Eating Asparagus and Broccoli

Some precautions and tips to take with asparagus and broccoli include:

  • Don’t overcook asparagus (it shouldn’t get mushy) as this can reduce some of its nutritional benefits.
  • Asparagus is high in purine, which can increase the risk of gout and kidney stones.
  • The high sulfur content of asparagus can give urine an unpleasant smell.
  • Asparagus and broccoli can both cause gas or digestive discomfort, especially when eaten in large quantities.
  • The sulforaphane found in broccoli and other vegetables may interfere with thyroid function, particularly for those with hypothyroidism (underactive thyroid) or insufficient iodine intake. Some research suggests that sulforaphane is likely safe when consumed in amounts typically found in food. However, individuals with hypothyroidism may want to be cautious about eating very large amounts of raw vegetables or using a sulforaphane supplement. Talk to your healthcare provider about dietary recommendations.

Ways to Add More to Your Diet

Both asparagus and broccoli can be eaten raw or cooked, but asparagus is usually cooked.

There are several ways to cook asparagus and broccoli, including steaming, roasting, grilling, microwaving, stir-frying, broiling, or sautéing. They can also be boiled, but this can make them mushy.

Some ways to eat asparagus and broccoli include:

  • Tossed with herbs and spices, olive oil, or lemon as a side dish
  • With a nutritious dip, such as hummus
  • In eggs, such as an omelette
  • In salads, stir-fries, rice, and pasta dishes

It is essential to consume a variety of vegetables to maximize the diverse nutritional benefits each offers.

Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.
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By Heather Jones

Jones is a writer with a strong focus on health, parenting, disability, and feminism.

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