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Oyster Shell Pieces (Ostrea Spp.)

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Oyster Shell Pieces (Ostrea spp.), known in Traditional Chinese Medicine (TCM) as Mu Li (牡蛎), are mineral-rich, cooling, and grounding shells traditionally used to calm the spirit, anchor rising yang, soften hardness, and support yin and fluid balance. These coarse, broken shell pieces are sourced from natural oyster shells, cleaned, and dried to retain their natural chalky-white texture and essential mineral content, particularly calcium carbonate.

In TCM, Mu Li is commonly used to ease restlessness, support emotional balance, and reduce symptoms associated with yin deficiency, such as irritability, insomnia, or night sweats. It is also used to dissipate nodules, promote bone health, and assist in softening masses that result from stagnation or long-term imbalances. The nature of oyster shell is cool, salty, and astringent, making it especially effective in formulas aimed at calming excess heat or internal agitation.

When prepared in decoctions, Oyster Shell Pieces are typically boiled for longer periods due to their density and mineral structure. They are often included alongside herbs like Dragon Bone (Long Gu), Zizyphus (Suan Zao Ren), or Rehmannia (Shu Di Huang) to support a calming, anchoring effect on the body and mind.

Each batch of Oyster Shell Pieces (Ostrea spp.) is carefully processed and selected for quality, purity, and traditional potency. Whether used in herbal decoctions, mineral-rich preparations, or classical TCM formulas, these shells offer a time-tested remedy to nourish yin, calm the spirit, and stabilize internal balance.

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