Product Name: Nacre Extract      
        
Specification: 92%calcium carbonate
         
Detection method: HPLC
         
Botanical Name: Hyriopsis cumingii (Lea)/Cristaria plicata (Leach)/Pteria martensii (Dunder)/Concha Margaritifera Usta 

About Nacre Extract:
Nacre is made of the shell of fresh-water clams, Hyriopsis cumingii (Lea) and Cristaria plicata (Leach) (Fam. Unionidae) or peral oyster, Pteria martensii (Dunder) (Fam. Peteriidae) by calcination after removal of the curticle.

Functions: To subdue hyperactivity of the liver, to calm the nerves, and to improve vision.

Indications: Headache, dizziness, fidgetness and insomnia; inflammation of the eye due to heat in the liver; blurred vision in deficiency conditions of the liver.