Restore blood circulation and stop bleeding.Blood, invigorate blood and relieve pain.Piper is pungent with five flavors belonging to the pungent category, with four qi classified as warm. Pungent-warm foods have the effects of dispersing and invigorating blood. When combined, their medicinal effects are enhanced, but this can lead to prolonged menstruation and increased menstrual flow for women during their period.If one has digestive ulcers or coagulation disorders (such as reduced platelets or hyperfunction of the spleen), it may increase the risk of bleeding.Healthy individuals and those with benign tumors can consume them.Properly control the ratio to avoid changing the emphasis.Hope this resolves your worries.