百子櫃 ›
The slender pliable root of Achyranthes bidentata, sold as wrinkled brown strips cut into segments. Slightly bitter-sweet and unobtrusive in flavour, it goes into leg-and-back strengthening pots; the huai type is the tonic grade used in soup, the Sichuan type leans blood-moving.
Nature · neutral Flavour · bitter、sweet、sour Meridians · liver、kidney
In the tradition it is a lower-body herb, guiding nourishment downward while strengthening the liver, kidneys, sinew and bone; huai niu xi is the type traditionally chosen for tonic pots.
A quick rinse, snip it into lengths, into the pot.
河南焦作（懷慶，四大懷藥之一；川牛膝則產四川）
Herbal shops / specialists
“The pot she makes when someone needs looking after.”
Lo Fo Tong is cultural food-heritage reference, not medical advice. If you are pregnant, unwell or on medication, talk to your doctor or registered practitioner before changing what is in the pot.