Ren Shen is also known as Gingshen. The smells aromatic, tastes sweet and slightly warm herbs had been used in TCM as improved immune system, Anti Cancer, Anti aging, Anti stress, etc. agent and to generates fluids and reduce thirst, for xinqixu (heart qi deficient) palpitations with instant sweating and anxiety, insomnia, dizziness/headache, forgetfulness, impotence, …