Kale (Brassica oleracea) is a dark, leafy vegetable that is commonly eaten as a food source. Kale can also be used as a medicine.

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

Kale is used for cancer, heart disease, and many other conditions, but there is no good scientific evidence to support any use.
When taken by mouth: Kale is commonly consumed as a food. There isn't enough reliable information to know if kale is safe to use in larger amounts as medicine.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Kale is commonly consumed as a food. There isn't enough reliable information to know if kale is safe to use in larger amounts as medicine when pregnant or breast-feeding. Stay on the safe side and stick to usual food amounts.


There is interest in using kale for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

Kale is commonly consumed as a food. As a medicine, there isn't enough reliable information to know what an appropriate dose of kale 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.

Interactions with pharmaceuticals

It is not known if this product interacts with any medicines.
Before taking this product, talk with your health professional if you take any medications.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.
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