Efficacy: Keep black hair healthy, delay aging, treat juvenile whiteness, nourish liver and kidneys, and benefit essence and blood. Introduction of Polygonum multiflorum: Since ancient times, Polygonum multiflorum has been divided into two varieties: red and white. Polygonum multiflorum can be found at home and abroad. Growing, Baishouwu is the only species in the world that grows in China. Ancient books record that Polygonum multiflorum was used in the late Tang Dynasty and became popular in the early Ming Dynasty. It is still used today. Because of its beneficial effects on the liver and kidneys, replenishing essence and blood, and anti-aging, it has been regarded as a health-preserving and anti-aging treasure by famous experts of the past dynasties. Polygonum multiflorum nourishes the liver and kidneys, replenishes essence and blood, and blackens the beard and hair. It is a special product for gray hair. As long as you insist on taking it, you will definitely have unexpected surprises. It is a product of the same origin as medicine and food, so it is suitable for long-term use. It does not have any toxic or side effects. Long-term use can lighten your body and prolong your life. Functional ingredients of Polygonum multiflorum: 1. Contains steroidal glycosides that protect the structural integrity of human immune organs and regulate and enhance cellular immunity. Among them, C21 steroidal glycosides are the most active; 2. Rich in phospholipids, including lecithin and inositol. High content of phospholipids and cephalin; 3. Contains unsaturated fatty acids that can prevent atherosclerosis in the elderly, of which linoleic acid has the highest content, and there are other unsaturated fatty acids; 4. Rich in nutrients, including polysaccharides, Crude fat, protein, starch and nine different vitamins, among which the content of B vitamins is higher; 5. It contains essential amino acids for the human body. The amino acid content is similar to that of American ginseng, especially the highest arginine content, reaching 2.23%. 6. It contains inorganic salts and trace elements that are necessary for the human body, among which potassium, phosphorus, magnesium, copper, selenium, etc. are relatively high.