He Shou Wu Products for the Brain
This is one of the primary Jing tonic herbs in Asian tonic herbalism. In Asian herbalism, He Shou Wu (Polygonum multiflorum) is considered to be one of the ultimate healthy aging herbs. As such it has been studied for its affect on the brain. Recent research has shown that Polygonum multiflorum extract may have neuroprotective effects through both alleviation of ERK and p38 activation under oxidative stress and is thus capable of protecting the brain from free radicals.