From the Glossary
He Shou Wu (FO-TI)
The Herb of Black Hair and a Man Who Cheated Time
Herbal Science
The Tang-dynasty legend of He Tianer and the vine. The plant is renamed He Shou Wu (“Mr. He's Black Hair”).
Modern interest in the root Polygonum multiflorum and compounds such as tetrahydroxystilbene.
Caution: raw He Shou Wu can harm the liver (China FDA, 2014). Myth mixed with real caution.
In The Holy & the Grail
The Tang-dynasty legend of He Tianer and the vine becomes He Shou Wu, “Mr. He's Black Hair,” where myth meets modern caution and raw He Shou Wu can harm the liver (China FDA, 2014).