Buy 5, get 1 free! N051 Zuo Gui Wan Ever Spring herbs are made by one of the top herbal extractors in China, utilizing the most advanced techniques and technologies. These pills are highly concentrated traditional Chinese herbal formulas-GMP certified and 100% safe. Shu di huang - Radix Rehmanniae PreparataShan yao - Rhizoma DioscoreaeShan zhu yu - Fructus CorniGou qi zi - Fructus LyciiHuai niu xi - Radix Achyranthis Bidentatae/ This traditional Chinese herb indicated for deficiency syndromes.Benefit kidney applicable for deficiency of kidney. Take 5-8 pills orally, 2-3 times a day or in compliance with your doctor's instructions. PackageBottle: 200 concentrated pills All herbal formulas are not meant for long term use. Long term use should be directed by a TCM practitioner. If you experience any adverse effect, stop the herb immediately and consult you TCM practitioner.