Reviewed on 6/11/2021
Other Name(s):

Capuchina, Capucine, Cresson d'Inde, Grande Capucine, Indian Cress, Tropaeolum, Tropaeolum majus.


Nasturtium is a plant. The parts that grow above the ground are used to make medicine.

People take nasturtium in combination with other herbs for urinary tract infections (UTIs), swollen airways, cough, and bronchitis.

Nasturtium is sometimes applied directly to the skin in combination with other herbs for mild muscular pain.

How does it work?

Nasturtium contains vitamin C and might help fight bacteria, fungi, viruses, and tumors.


Next to red peppers, you can get the most vitamin C from ________________. See Answer

Uses & Effectiveness

Insufficient Evidence to Rate Effectiveness for...

More evidence is needed to rate the effectiveness of nasturtium for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Side Effects

Nasturtium might be safe for adults when applied directly to the skin in combination with other natural medicines. It can cause skin irritation, especially if used for a long time.

There isn't enough information to know if nasturtium is safe when taken by mouth. It can cause stomach upset, kidney damage, and other side effects.


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Special Precautions & Warnings

Pregnancy and breast-feeding: Not enough is known about the use of nasturtium during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Children: Nasturtium is UNSAFE for children when taken by mouth. There isn't enough information to know if nasturtium might be safe for children when applied to the skin.

Stomach or intestinal ulcers: Don't take nasturtium if you have stomach or intestinal ulcers. It's UNSAFE for you to use.

Kidney disease: Don't take nasturtium if you have kidney disease. It's UNSAFE for you to use.


The appropriate dose of nasturtium depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for nasturtium. 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 your pharmacist or physician or other healthcare professional before using.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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Pintao AM, Pais MS, Coley H, et al. In vitro and in vivo antitumor activity of benzyl isothiocyanate: a natural product from Tropaeolum majus. Planta Med 1995;61:233-6. View abstract.