Harmful.

Mint tea is a tea drink with great health care effects, but avoid excessive drinking. Excessive drinking may cause poisoning.

Peppermint contains 1 to 3% volatile oil, and the oil contains about 80% menthol (menthol), followed by menthone, isomenthol, pinene, etc. It has a stimulating effect on the digestive tract and an inhibitory effect on the medulla oblongata center and heart. Taking 20 ml of menthol can cause severe poisoning. Poisoning is often caused by overdose. Extended information

Precautions

Pregnant women should avoid eating mint, and because mint has the effect of inhibiting milk secretion, breastfeeding women should not use it more; and because of the aroma of mint, Because of its pungent nature, patients with lung deficiency, cough, yin deficiency, fever and excessive sweating should also use it with caution.

In addition, the ingredients of mint are easy to evaporate due to heat, so it is best to add it after the water boils. It has a refreshing and stimulating effect, so it is not advisable to drink too much to avoid causing sleep disturbance.

Baidu Encyclopedia-Mint Tea

Baidu Encyclopedia-Mint (Lamiaceae)