bubble_chart Source This product is made from Unprocessed Rehmannia Root 黃 by steaming with yellow wine until the inside and outside turn black and oily, or directly steaming until it becomes black and glossy. It is used by cutting into thick slices.
bubble_chart Properties and Meridians
Sweet, slightly warm. Act on liver and kidney meridians.
bubble_chart Efficacy
Tonifying blood, enriching yin, and replenishing essence to fill the marrow.
bubble_chart Indications
- Used for blood deficiency, shallow yellow complexion, vertigo, palpitation, insomnia, menstrual irregularities, menorrhagia, and metrostaxis. It is an essential herb for tonifying blood. Often used in combination with Chinese Angelica, Peony Root, and other corresponding medicinals based on the syndrome.
- Used for kidney yin deficiency symptoms such as tidal fever, steaming bone fever, night sweat, seminal emission, and consumptive thirst. It is a primary herb for enriching yin. Often used with Cornus Officinalis, Chinese Yam, etc., such as in Six-Ingredient Rehmannia Pill.
- Used for liver and kidney essence and blood deficiency symptoms such as soreness and weakness of the waist and knees, vertigo, tinnitus, and premature graying of hair. It can tonify and replenish marrow and essence. Often used with Prepared Fleeceflower Root, Barbary Wolfberry Fruit, Dodder Seed, and other herbs that tonify essence and blood and darken hair.
bubble_chart Documentation
- Zhenzhunang: "Tonifies the blood and qi, nourishes kidney water, and benefits true yin."
- Bencao Gangmu: "Fills the marrow, strengthens muscles, generates essence and blood, replenishes the deficiencies of the five zang-organs and internal damage, unblocks blood vessels, clears the ears and eyes, and blackens beard and hair."
bubble_chart Usage and Dosage
Decoct and take orally, 10-30g.
bubble_chart Modern Pharmacology
This product contains catalpol, rehmannin, mannitol, vitamin A-like substances, sugars, and amino acids, among others. Prepared Rehmannia Root has effects such as strengthening the heart, diuresis, lowering blood sugar, increasing external white blood cells, and enhancing immune function.