Specification: 10:1 (extract solvent: water & ethanol)
Function:
1. More energy and Anti-fatigue,
http://www.raysahelian.com/rehmannia.html
2. Decreasing urine frequency at night;
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4844875/
http://www.itmonline.org/arts/rehmann.htm