Kale is a dark, leafy vegetable that is commonly eaten as a food source. Kale can also be eaten as a medicine.

Kale is taken by mouth as an antioxidant and for bladder cancer, breast cancer, heart disease, colitis, constipation, Crohn's disease, diabetes, hangover, hot flashes, high cholesterol, loss of vision (macular degeneration), and wound healing.

How it works

Kale contains chemicals that are thought to help prevent cancer. Chemicals in kale might also have antioxidant activity.


Not Proven
Bladder cancer

Bladder cancer: There is some evidence that people who eat large amounts of kale and related vegetables have a lower risk of developing bladder cancer.

Breast cancer

Breast cancer: Some early research suggests that eating kale and related vegetables is linked with a slight increase in the risk of breast cancer in premenopausal women. However, eating kale and related vegetables is not linked with a higher risk of breast cancer in postmenopausal women.

Heart disease
Crohn's disease
Hot flashes
High cholesterol
Loss of vision (macular degeneration)
Wound healing
Other conditions


Likely safe

Kale is LIKELY SAFE when consumed in food amounts. It isn't known if kale is safe or what the possible side effects might be when taken in medicinal amounts.



Pregnancy and breast-feeding: There isn't enough information about the safety of eating kale in medicinal amounts duringpregnancyor breast-feeding. Stay on the safe side and stick to usual food amounts.Dosing considerations for Kale.


No information available.

The information provided on this page is for reference purposes and is not meant to be used as a medical advice, diagnosis or treatment. Always consult with a medical professional. The content on this page has been provided with thanks by RxList.com