Spinach – Nutrients, Health Effects and Benefits
Spinach is rich in iron, folate, magnesium and antioxidants. Learn how it supports blood formation, cell protection and immune function.
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Spinach is rich in iron, folate, magnesium and antioxidants. Learn how it supports blood formation, cell protection and immune function.
Spinach (Spinacia oleracea) is one of the most nutrient-dense leafy greens, packed with vitamins, minerals and phytochemicals. It contains notable amounts of iron, folate, magnesium, vitamin C, vitamin K, beta-carotene, and the green pigment chlorophyll.
Traditionally, spinach is considered to support blood formation, antioxidant protection, and immune health. Folate and iron contribute to red blood cell production, while chlorophyll and antioxidants like lutein and zeaxanthin neutralize free radicals and support cell integrity. Spinach is also a valuable plant-based source of magnesium, essential for muscle and nerve function.
Although its iron content was historically overestimated, spinach still offers relevant levels – especially when consumed with vitamin C to enhance absorption.
Common uses of spinach:
- Support for red blood cell production (iron, folate)
- Antioxidant and cell protection (chlorophyll, carotenoids)
- Magnesium for muscles and nerves
- Immune system support
- Pregnancy nutrition
Key nutrients:
- Iron, folate, magnesium
- Vitamins C, A (beta-carotene), K
- Chlorophyll
- Lutein and zeaxanthin
- Nitrate (in moderation: may support blood pressure)
Scientific references:
- USDA FoodData Central: Spinach nutrient data
- EFSA (2017): Dietary reference values for folate and magnesium
- Böhm, V. et al. (2001): Spinach pigments and antioxidants, Eur J Nutr
- Slavin, J. (2000): Green leafy vegetables and health, Nutrition Today
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