I have stenosis of L4 and L5. Also bulging discs at L4 and L5. I've had 2 acupuncture treatments so far and was given some capsules called "Back Support (HD), by Evergreen. These capsules contain: Bai Shao, Dang Gui, Du Zhong, Chuan Xiong, Yan Hit Suo, San Leng, E-Zhu, Ze Xie, Chuan Nio, Y Vi Ren, Che Quart Z, Dan Shen, Gu Zhi, and Gen Cao, Shen Jin Cao. All made in California, City of Industry. Not FDA approved. Not intended to diagnose or prevent any disease.