Medicinal effects of raw rehmannia glutinosa

Rehmannia glutinosa, referred to as raw rehmannia, is brown-black or brown-gray in color. The unsliced ​​form is in the shape of irregular clumps. It tastes slightly sweet, is shiny and is not easy to break. "Properties of Medicine" describes Rehmannia glutinosa as follows: sweet, bitter, cold in nature, non-toxic, heavy and yin. Its uses are fourfold: cooling blood heat caused by heart fire, purging damp heat caused by spleen earth, relieving epistaxis and heat in the nose, and removing restless heat in the five hearts.

Main functions:
1. Improve insomnia: It has a significant inhibitory effect on the central nervous system, improves insomnia symptoms in patients with hypertension, and relieves hypertension.
2. Enhance immunity: Improve the body's immune function.
3. Anti-tumor: Rehmannia glutinosa contains polysaccharides, which inhibit tumor growth.
4. Protect the liver: Rehmannia glutinosa decoction can protect against toxic hepatitis and prevent the reduction of liver glycogen.

Contraindications:
1. Raw Rehmannia glutinosa is cold in nature and should not be eaten by those with spleen deficiency, diarrhea, stomach deficiency, poor food intake, cold constitution, and yin deficiency with intestinal irritability.
2. Rehmannia glutinosa should not be eaten with radish, scallions, scallions, and leeks.
3. Avoid using copper or iron utensils for decoction, as this will affect the efficacy of raw rehmannia glutinosa.
4. Do not take it for a long time. Long-term use may cause internal heat and lead to septicemia.
5. If allergies occur during taking, please stop using it immediately.