C251 Unorthodox Approach
It turned out to be placental powder!
Shang Yunmo did not know whose placenta it was, but it was most likely human. Shang Yunmo recognized it at a glance because she knew this thing very well.
At first, when she first entered the palace, the old nanny in the palace would secretly go to the people to collect bloody things. Only later on did she find out that this was the human body's placenta