Hawaii Pharm Zhen Zhu Mu Alcohol-Free Liquid Extract, Zhen Zhu Mu

What the brand says

Sold as “Hawaii Pharm Zhen Zhu Mu Alcohol-Free Liquid Extract, Zhen Zhu Mu, Pearl Shell (Pinctada Margaritifera) Concha Glycerite Natural Herbal Supplement, USA 64 fl.oz”

Zhen Zhu Mu (Pinctada Margaritifera), commonly known as the black-lip pearl oyster. This species is common in the Indo-Pacific within tropical coral reefs. Externally the shell is dark grayish brown or green, though white spots are common across the shell. Adults usually reach between 7.9 and 9.8 in in height. A distinctive feature of the species is that the hinge has no teeth.