Spinach (Spinacia oleracea) is a green, leafy plant that's available in many different varieties. It's rich in nutrients and commonly eaten as food.

Spinach contains high levels of vitamin C, vitamin E, vitamin K, magnesium, nitrates, lutein, zeaxanthin, beta-carotene, and folic acid.

People use spinach for obesity, memory and thinking skills, muscle strength, and many other conditions, but there is no good scientific evidence to support these uses.

Uses & Effectiveness ?

We currently have no information for SPINACH overview.

Side Effects

When taken by mouth: Spinach is commonly consumed in foods. It is possibly safe when used in larger amounts as medicine.

Special Precautions and Warnings

When taken by mouth: Spinach is commonly consumed in foods. It is possibly safe when used in larger amounts as medicine. Pregnancy and breast-feeding: Spinach is commonly consumed in foods. There isn't enough reliable information to know if spinach is safe to use in larger amounts as medicine while pregnant or breast-feeding. Stay on the safe side and stick to food amounts.

Children: Eating spinach as a food is likely safe for children who are more than 4 months old. But spinach is likely unsafe for infants younger than 4 months old. The nitrates in spinach can sometimes cause a blood disorder (methemoglobinemia) in young infants.

Allergies: People who are sensitive to latex or certain molds are more likely to have allergic responses to spinach. Also, people who are allergic to foods like chard and beets are more likely to have allergic responses to spinach.

Kidney disorders: Spinach might cause hard crystals to form in the kidneys. These crystals won't dissolve and might make kidney disorders worse.

Interactions ?

    Moderate Interaction

    Be cautious with this combination

  • Warfarin (Coumadin) interacts with SPINACH

    Spinach contains large amounts of vitamin K. Vitamin K is used by the body to help blood clot. Warfarin is used to slow blood clotting. By helping the blood clot, spinach might decrease the effects of warfarin. Be sure to have your blood checked regularly. The dose of your warfarin might need to be changed.


Spinach is commonly consumed as food. As medicine, there isn't enough reliable information to know what an appropriate dose of spinach might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult a healthcare professional before using.
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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.