Substances the Calm the Spirit

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What is the best way to use Long Gu (fossilia ossis mastodi) and Mu Li (ostrea concha) when you want to use them to induce astringency to stop sweating and bind up essence?

Crush into powder and swallow as single herb
Use raw (Sheng Long Gu/Sheng Mu Li)
Use calcined (Duan Long Gu/Duan Mu Li)
Use in food therapy

Calcining is a process used on minerals where the substance is heated until red-hot (750f). For Long Gu and Mu Li, this enhances their ability to stop leakage and generate flesh.

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 911 [Q1170]