Can Houttuynia cordata lower blood pressure?

Generally speaking, Houttuynia cordata can help lower blood pressure, but it should be consumed in moderation. Detailed analysis is as follows:

Houttuynia cordata can aid in lowering blood pressure. It contains various active components, such as flavonoids and potassium. Potassium helps regulate the body's electrolyte balance and promotes the excretion of sodium. Excessive sodium intake is a significant factor contributing to elevated blood pressure; eliminating excess sodium helps maintain stable blood pressure levels. Flavonoids have a certain blood vessel dilating effect, improving vascular elasticity and permeability, thereby facilitating smoother blood flow and assisting in lowering blood pressure to some extent. Moreover, Houttuynia cordata is low in calories. Drinking it as tea or consuming it in moderate amounts does not impose excessive caloric burden on the body, making it suitable as part of the daily diet for individuals needing to control their blood pressure.

However, the blood pressure-lowering effect of Houttuynia cordata is limited and cannot replace antihypertensive medications. Patients with hypertension still need to follow medical advice and take their medications regularly. Additionally, it should be consumed in moderation because Houttuynia cordata is cold in nature. Excessive consumption may irritate the gastrointestinal tract, causing discomfort such as abdominal pain and diarrhea. Individuals with cold deficiency in the spleen and stomach should be particularly cautious. Moreover, during consumption, one should closely monitor blood pressure changes, and if abnormal fluctuations occur, timely medical attention should be sought.