In traditional Chinese medicine this herbal formula is used to nourish Yin and is the foundation for many other Chinese formulas. A diminished Yin can be shown as sweat, low fever, dizziness, tinnitus, soreness in the lower back etc. Yin weakness occurs with age, sexuality, or chronic diseases. Radix rehmanniae preparata (shu di huang), fructus comi (shan zhu yu), rhizoma diosconae (shan yao), cortex moutan (mu dan pi), poria (fu ling), rhizoma alismatis (ze xie) This product is not intended to diagnose, treat, cure, or prevent any disease. GMP Certified ingredients Shu di huang, shan zhu yu, mu dan pi, shan yao, fu ling, ze xie