What you are referring to would be cuttlebone, also known as squid bone and cuttlefish bone.

Effects: astringent and stopping bleeding, astringent and stopping bandages, acid control, astringent sores.

Mainly used for ulcer disease, excessive stomach acid, vomiting blood epistaxis, collapse and leakage of blood, spermatorrhea and spermatorrhea, red and white belt? It is also used in the treatment of bleeding from injuries, sores and pus.

There is no such thing as raw food in traditional Chinese medicine, but it can be made into a powder and swallowed, which is also considered to be raw food

After the decoction is made, the dregs of the medicine are generally not taken.

And this medicine has no toxicity

Give you a picture