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What vegetable has the most calcium?

Calcium is an essential mineral that plays a vital role in maintaining healthy bones and teeth, as well as proper functioning of the muscles and nerves. It is important to ensure an adequate intake of calcium through the diet to support overall health and prevent conditions such as osteoporosis. While dairy products are often considered a primary source of calcium, there are also several vegetables that are rich in this mineral. In this article, we will explore the vegetable that has the most calcium and discuss its nutritional value, along with other calcium-rich vegetable options.

Vegetables as a Source of Calcium

Vegetables not only provide essential vitamins and minerals but also contribute to overall dietary calcium intake. While calcium from plant-based sources may not be as easily absorbed by the body as calcium from dairy products, incorporating a variety of calcium-rich vegetables into your diet can still contribute to meeting your daily calcium needs.

The amount of calcium in vegetables can vary depending on factors such as farming practices, soil quality, and cooking methods. Additionally, certain cooking methods can impact the availability of calcium in vegetables. For example, boiling vegetables in water can cause some of the calcium to leach out into the cooking liquid. It is important to consider these factors when selecting and preparing calcium-rich vegetables.

Calcium-Rich Vegetables

Cooked Kale

Kale is a leafy green vegetable that is widely recognized for its numerous health benefits. When kale is cooked, its calcium content becomes more concentrated, making it an excellent source of this mineral. In addition to calcium, cooked kale also provides other important nutrients such as vitamin K, vitamin C, and fiber.

A half-cup serving of cooked kale contains approximately 90 milligrams of calcium. This makes it a good option for boosting your calcium intake, particularly for those who have dietary restrictions or preferences that limit their consumption of dairy products.


Spinach is another popular leafy green vegetable that is known for its nutritional value. While raw spinach contains a moderate amount of calcium, cooking spinach can significantly increase its calcium content. In addition to calcium, spinach is rich in other essential nutrients such as iron, vitamin A, and folate.

A half-cup serving of cooked spinach provides approximately 120 milligrams of calcium. Incorporating cooked spinach into your meals can be a flavorful and nutritious way to increase your calcium intake.

Collard Greens

Collard greens are a cruciferous vegetable that is packed with nutrients, including calcium. They are particularly rich in calcium, making them an excellent choice for meeting your daily calcium requirements. Collard greens also provide other beneficial nutrients like vitamin K, vitamin A, and fiber.

A half-cup serving of cooked collard greens contains an impressive 164 milligrams of calcium. This makes collard greens the vegetable with the highest calcium content among the options discussed in this article. Adding collard greens to your meals or incorporating them into recipes can be a delicious way to increase your calcium intake.

Other Sources of Calcium in the Diet

In addition to vegetables, there are other sources of calcium that can be incorporated into your diet.

Fortified Orange Juice

Many brands of orange juice are fortified with calcium, providing a convenient way to increase your intake of this mineral. Fortified orange juice contains added calcium citrate malate, which is a well-absorbed form of calcium. Incorporating fortified orange juice into your daily routine can contribute to meeting your calcium needs.

It is important to note that not all brands of orange juice are fortified with calcium, so it is essential to read food labels to ensure you are selecting the fortified variety. The amount of calcium in fortified orange juice can vary, but on average, an 8-ounce serving provides around 350 milligrams of calcium.

Fortified Cereals

Cereals are another common food that can be fortified with calcium. Many breakfast cereals contain added calcium to provide a nutrient boost. Fortified cereals can vary in their calcium content, so it is important to check the nutrition facts label to determine the amount of calcium per serving.

Incorporating fortified cereals into your breakfast routine can be a simple and convenient way to increase your calcium intake. Be sure to choose cereals that are low in added sugars and high in fiber for optimal nutritional value.

Recommendations for Incorporating Calcium-Rich Vegetables into the Diet

To maximize the calcium content and absorption from vegetables, it is important to consider cooking methods and serving suggestions.

When cooking vegetables, consider lightly steaming or sautéing them instead of boiling. This can help retain more of the calcium content in the vegetables. Additionally, pairing calcium-rich vegetables with foods that are high in vitamin D, such as fatty fish or fortified dairy products, can enhance calcium absorption.

Here are some ideas for incorporating calcium-rich vegetables into your diet:

– Add cooked kale to soups, stews, or stir-fries.
– Include spinach in salads, omelets, or pasta dishes.
– Prepare collard greens as a side dish or incorporate them into casseroles or wraps.
– Enjoy a glass of fortified orange juice with your breakfast.
– Sprinkle fortified cereals on top of yogurt or enjoy them with milk.

By adding these calcium-rich vegetables to your meals and incorporating other sources of calcium, you can support your overall health and meet your daily calcium needs.


Calcium is an important mineral that plays a vital role in maintaining overall health. While dairy products are often associated with high calcium content, several vegetables are also rich sources of this mineral. Cooked kale, spinach, and collard greens are all excellent choices for increasing your dietary calcium intake. Additionally, fortified orange juice and cereals can provide convenient sources of calcium. By incorporating these calcium-rich foods into your diet and using proper cooking methods, you can ensure that you are meeting your calcium needs and supporting optimal health.


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