Oyster Shell Powder Mu Li 500g Food Grade Mineral Powder for Traditional Herbal Use

Oyster Shell Powder, known in TCM as Mu Li (牡蛎), is a finely milled powder prepared from the shells of oysters, traditionally identified with Ostrea species. In TCM theory, Mu Li is salty and cool in nature and is traditionally associated with the liver and kidney channels. This bulk powder is sold as a food-grade botanical ingredient for traditional herbal preparation and should be used under the guidance of a qualified practitioner.

Key Selling Points

• Finely milled oyster shell powder supplied in bulk 500g packs
• Known in TCM as Mu Li (牡蛎), a classic mineral herbal material
• Sourced from Guangdong, China, and sold as an edible agricultural product
• Suitable for traditional decoctions, external applications, and herbal formulations
• 24-month shelf life when stored in a cool dry place

Quality & Sensory

Typically an off-white to pale gray fine powder with a smooth, dry texture and a faint mineral aroma. It has no pronounced taste and blends evenly when mixed into traditional preparations.

Technical Specifications

Usage Scenarios

• Ground into traditional herbal decoctions under practitioner guidance
• Incorporated into classical mineral-based formulas
• Used in traditional external applications and washes
• Added to congee or culinary preparations following traditional recipes

Traditional Uses

In TCM practice, Mu Li is traditionally used in decoctions and classical formulas, often paired with herbs such as Long Gu (dragon bone) in calming and astringent combinations. It is traditionally associated with settling and softening actions and is a common ingredient in mineral-rich prescriptions. Traditionally it may also be used externally in washes or powders.

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