Can Psoralea corylifolia (Bu Gu Zhi) be steeped in water for consumption?
Generally speaking, Psoralea corylifolia (Bu Gu Zhi) can be consumed as a tea, but attention should be paid to the correct usage and dosage. A detailed explanation is as follows:

Psoralea corylifolia is a commonly used traditional Chinese herb that has functions including nourishing kidney yang, consolidating essence, reducing frequent urination, warming the spleen to stop diarrhea. It is often used to treat symptoms such as kidney yang deficiency, cold pain in the lower back and knees, impotence, seminal emission, enuresis, frequent urination, spleen and kidney yang deficiency, and diarrhea at dawn. The dosage of Psoralea corylifolia tea should be determined according to individual constitution and specific symptoms. It is recommended to use it under the guidance of a physician or a licensed TCM practitioner to avoid overdose.
Consuming Psoralea corylifolia tea may cause some adverse reactions such as dry mouth, bitter taste, dizziness, nausea, and so on. If severe discomfort occurs, usage should be stopped immediately and medical attention sought promptly. Psoralea corylifolia may interact with other medications, affecting drug efficacy or increasing the risk of adverse reactions. Therefore, before consuming Psoralea corylifolia tea, inform your physician about any other medications you are currently taking to avoid potential adverse effects.
Individuals with yin deficiency and excessive internal heat should not take Psoralea corylifolia. Pregnant and lactating women should use Psoralea corylifolia tea cautiously to avoid any adverse effects on the fetus or infant. If there is a specific medical need, it should be used under the guidance of a physician. In daily life, maintaining a balanced diet and moderate exercise can also help maintain overall health.