Liu Wei Di Huang Pian (Liu Wei Di Huang Wan, YinVive™, Six Flavor Teapills, 六味地黄片) is among the most regarded ancient Chinese herbal formulas. It is widely used to nourish Yin of the Yin-Yang. In TCM, a diminished Yin manifests as weakness in the lower back, a hot feeling of the body, and pale complexion etc.