Zhuang Yao Jian Shen Wan

What the brand says

This is one of the key supplements we recommend for people. If you feel tired or fatigued, have short term memory loss, lower back soreness/weakness, knee soreness/weakness or ringing in the ear you will likely benefit from this herbal supplement. In China this herb has a over a 1000 year tradition of being used where one's kidney function is weak. Weak kidney function is a chief cause of many conditions in Chinese medicine. Once the kidney function is revitalized normal healthy function returns for many conditions.