Semen Vaccariae
The classic lactation herb — these small seeds invigorate Blood, unblock the channels, and promote the free flow of breast milk, a cornerstone of postpartum confinement nourishment.
What Is Semen Vaccariae?
Semen Vaccariae (Wang Bu Liu Xing, 王不留行) is the dried ripe seed of Vaccaria hispanica, a small annual plant of the carnation family. Its memorable name — literally "the royal who does not stay" — captures the herb’s essential character: a strong, moving, unblocking action that keeps things flowing and refuses to let stagnation settle.
Bitter and neutral in nature, Semen Vaccariae enters the Liver and Stomach channels. It invigorates the Blood, unblocks the channels, and is one of the most celebrated herbs in Traditional Chinese Medicine for promoting lactation — making it a natural choice for postpartum and confinement soups. It also promotes menstruation and helps reduce swelling. Its downward, free-flowing nature makes it especially suited to relieving milk stagnation and supporting the smooth, abundant flow of breast milk in nursing mothers.
History & Origin
Semen Vaccariae has been used for some two thousand years, and is best known through the classical saying that pairs it with another herb to powerfully promote milk flow.
Traditional Uses
Promotes Lactation
The most celebrated action — promotes the free, abundant flow of breast milk, used widely in postpartum and confinement formulas for nursing mothers with insufficient or blocked milk.
Invigorates Blood & Unblocks Channels
Moves stagnant Blood and opens the channels to support smooth circulation throughout the body.
Promotes Menstruation
Used to regulate and encourage menstruation where Blood stasis has caused delayed or scanty flow.
Reduces Swelling
Traditionally applied to help disperse swelling and stagnation-related lumps, including breast distension from milk stagnation.
Health Benefits
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Lactation SupportA premier galactagogue — promotes the smooth, free flow of breast milk for nursing mothers.
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Blood CirculationInvigorates Blood and unblocks the channels to support healthy, smooth circulation.
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Menstrual RegulationEncourages regular menstruation where Blood stasis has caused scanty or delayed flow.
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Relieves StagnationHelps relieve breast distension and the discomfort of milk stagnation during nursing.
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Anti-inflammatorySaponins and flavonoids studied for anti-inflammatory and circulation-supporting effects.
Soups Featuring Semen Vaccariae
Semen Vaccariae is a key ingredient in this Food Art no-cook herbal soup, thoughtfully formulated to deliver its nourishing benefits in a convenient, ready-to-brew format.
The information on this page is for educational and informational purposes only and is not intended as medical advice. Please consult a qualified healthcare practitioner before using any herbal products.
