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Eating plenty of vegetables may be one of the simplest ways to improve health and well-being.

All vegetables contain healthful vitamins, minerals, and dietary fiber — but some stand out for their exceptional benefits.

Specific vegetables may offer more health advantages to certain people, depending on their diets, overall health, and nutritional needs.

In this article, we look at 15 of the most healthful vegetables and suggest ways to enjoy them as part of a balanced diet.

1. Spinach

Spinach is a leafy green vegetable and a great source of calcium, vitamins, iron, and antioxidants.

Due to its iron and calcium content, spinach is a great addition to any meat- or dairy-free diet.

One cup of raw spinach is mostly made up of water and contains only 7 caloriesTrusted Source. It also provides:

an adult’s full daily requirementTrusted Source of vitamin K

high amounts of vitamin A

vitamin C

magnesium

folate

iron

calcium

antioxidants

Vitamin K is essential for a healthy body — especially for strong bones, as it improves the absorption of calcium.

Spinach also provides a good amount of iron for energy and healthy blood, and a high level of magnesium for muscle and nerve function.

It is also rich in antioxidants, and researchTrusted Source suggests that spinach leaves may lower blood pressure and benefit heart health.

If a person is taking blood thinners, such as warfarin (Coumadin), they should use caution when increasing their intake of dark leafy greens. Doctors recommend maintaining a consistent vitamin K intake over time for people taking these medications.