Can Dang Gui (Angelica sinensis) be steeped in water and consumed long-term?
Generally speaking, Angelica sinensis (Dang Gui) should not be consumed long-term by steeping in water. The specific analysis is as follows:

Angelica sinensis is a traditional Chinese herb known for its functions of nourishing and activating blood circulation, regulating menstruation, relieving pain, and moistening the intestines to promote bowel movements. Appropriate use of Angelica sinensis steeped in water can help improve symptoms related to blood deficiency, such as pale complexion, dizziness and fatigue, palpitations, and insomnia. In addition, Angelica sinensis has significant therapeutic effects on women's menstrual irregularities and dysmenorrhea. In the short term, appropriate use of Angelica sinensis typically does not cause obvious side effects.
However, Angelica sinensis is warm in nature. If consumed long-term by steeping in water, it may cause excessive internal heat, leading to symptoms such as dry mouth and throat, sore throat, and gum bleeding. Individuals with a naturally heaty constitution should especially avoid long-term consumption. Moreover, due to Angelica sinensis' blood-activating and blood-nourishing effects, women who consume large amounts of Angelica sinensis tea over a long period during their menstrual cycle may experience increased menstrual flow, prolonged periods, or even menstrual disorders. Therefore, Angelica sinensis should not be consumed long-term by steeping in water.
In daily life, it is recommended to maintain a balanced diet and engage in appropriate physical activity to help maintain overall health.