Japanese mint
Japanese mint

Background

Japanese mint (Mentha canadensis) is a plant native to North America and Asia. Its oil comes from its above ground plant parts and is used as medicine.

Japanese mint oil contains chemicals that might help fight infections and reduce gas.

People sometimes use Japanese mint for gas, indigestion, gallstones, common cold, and many other conditions, but there is no good scientific evidence to support these uses.

Don't confuse Japanese mint with other plants also called mint, such as diviner's sage, English horsemint, peppermint, spearmint, and wild mint. These are not the same.
When taken by mouth: Japanese mint oil is possibly safe when used appropriately. There isn't enough reliable information to know what the side effects might be.

When applied to the skin: Japanese mint oil is possibly safe when used appropriately. But it can cause allergic skin reactions in some people.

When inhaled: There isn't enough reliable information to know if Japanese mint is safe. It might trigger asthma attacks.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There isn't enough reliable information to know if Japanese mint is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.

Children: Japanese mint oil is likely unsafe when applied to the skin around the nose in infants or children. It can trigger serious breathing problems. There isn't enough reliable information to know if it is safe when taken by mouth or what the side effects might be.

Asthma or breathing problems: Japanese mint oil might make asthma or breathing problems worse.

Gallbladder conditions such as inflammation, gallstones, or a blocked bile duct: Don't use Japanese mint oil if you have a gallbladder condition. It could make your condition worse.

Liver disease: Don't use Japanese mint if you have a liver problem. It could make your condition worse.

Effectiveness

There is interest in using Japanese mint 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

Traditionally, Japanese mint oil has been used by adults in doses of 3-6 drops by mouth. But there isn't enough reliable information to know what an appropriate dose of Japanese mint 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 Japanese Mint interacts with any medicines. Before taking Japanese Mint, talk with your healthcare 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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This monograph was last reviewed on 12/09/2024 10:00:00 and last updated on 24/08/2020 21:05:20. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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