Shou wu chih is claimed by the manufacturers, without evidence from any scientific studies, to increase energy levels, tone, warm, and invigorate the blood, nourish the liver and kidneys, benefit the eyes, and turn gray hair black. Other claims are that regular use may strengthen bones or tendons, or improve sleep.[citation needed]
Shou wu chih is sold as a liquid in glass bottles. It is recommended by the manufacturers to be consumed by adding between one and three tablespoons to a cup of hot water, tea, or soup.
Production and export
Shou Wu Chih is produced in Guangzhou, Guangdong, China, under the brand name Yang Cheng. It is exported to other nations, including the United States.
Many Shou Wu tonics are produced in many cities in China and can be purchased at many pharmacy shops in China. Some health food stores in the United States import Shou Wu capsules and Shou Wu herb.
Ingredients
Prepared root of Polygonum multiflorum (bot.: Radix Polygoni Multiflori (Praeparata); Flowery Knotweed Root, Fleeceflower Root, or Climbing Knotwood; He Shou Wu or Fo-ti) - 25%
Root of Angelica sinensis (bot.: Radix Angelicae Sinensis; Chinese Angelica Root; Dang Gui, Tang Kuei, or Dong Quai) - 25%
Rhizome of Polygonatum sibiricum (bot.: Rhizoma Polygonati; Siberian Solomon's Seal, or King Solomon Seal Rhizome; Huang Jing) - 20%
^"Polygonum Multiflorum", LiverTox: Clinical and Research Information on Drug-Induced Liver Injury, Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases, 2012, PMID31644102, retrieved 2022-06-20