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Nutrition Basics


Culver Root, Leptandra
(Leptandra Virginica, Veronicastrum Virginicum)

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  • Black Root Herbal Description
  • Black Root Uses, Health Benefits & Scientific Evidence
  • Black Root Dosage Information
  • Black Root Safety, Cautions & Interactions
  • Black Root Supplements & Products

  • black root aka culver root


    Black Root (Leptandra virginica, Veronicastrum virginicum, Veronica virginica) is also known as Beaumont Root, Bowman's Root, Brinton Root, Culver Physic, Culver's Root, Culver Root, Hini, Leptandra, Oxadoddy, Purple Leptandra, Tall Speedwell, Tall Veronica, and Whorlywort.

    Black Root is a perennial herb with slender stems growing up to 7 feet tall. It is a wildflower native to the United States. It is cultivated as a garden flower in the Eastern United States. With swirls of 3 or more narrow lance-shaped leaves circle the stem at its joints. The flowers are small white, pinkish, or blue flowers. The Seneca Indians used this herb in ceremonial purifications to induce vomiting and the Chippewa Indians used the root as a blood cleanser. Early practitioners used Black Root for its laxative and emetic properties. The root is also said to increase the flow of bile from the liver.


    Herbalists use dried Black Root in the treatment of liver disorders, gallbladder disorders, chronic indigestion and other conditions thought to arise from liver dysfunction.

    In small doses, Black Root can be used as a laxative and also relieves flatulence and bloating. It helps soothe hemorrhoids and rectal prolapse (a falling down of an organ). Black Root is also prescribed for skin problems associated with poor liver function.


    Black Root comes in various forms and is an ingredient in many products. Due to its strong actions, it is best to consult with a health care provider for the treatment of your condition.


    Grieve's classic 'A Modern Herbal': The fresh root is a violent cathartic and may also be emetic. The dried root is milder and less certain. Leptandrin excites the liver gently and promotes the secretion of bile without irritating the bowels or purging. As it is also a tonic for the stomach, it is very useful in diarrhea, chronic dysentery, cholera infantum, and torpidity of the liver. The accounts of its use are conflicting, perhaps owing to the difference in the action of the root in its dry and fresh states. There appears to be a risk of the fresh root producing bloody stools and possibly abortion, though a decoction may be useful in intermittent fever. It has been stated that the dried root has been employed with success in leprosy and cachetic diseases, and in combination with cream of tartar, in dropsy.

    Dosages: 15 to 60 grains.
    Of the impure resin, 2 to 4 grains.
    Of the powdered extract, U.S.P., 4 grains.
    Of the fluid extract, 15 minims as a laxative.
    Leptandrin, 1/4 to 2 grains.

    The Physiomedical Dispensatory, 1869, was written by William Cook, M.D.: Black Root, when fresh, is a somewhat acrid cathartic; but drying dissipates its harshness, and it is then an almost pure relaxant. Its action is mild and very slow the cathartic result rarely being obtained from a common dose in less than ten hours, and sometimes not for eighteen hours. The action on the liver is that for which leptandra is most valued; and its mildness, persistency, and reliability, make it superior to almost any agent of its class where hepatic relaxants are needed. In dysentery and diarrhea it is perhaps unequaled–not for any astringent action, as some suppose, but for removing the origin of the trouble by eliminating bile and dislodging alvine accumulations. While the influence of leptandra is thus beneficial in so many cases, it must be employed with discrimination.

    King's American Dispensatory - by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D., 1898: Physiologically, leptandra acts upon the gastric, hepatic, and intestinal apparatus. The fresh root is actively and dangerously cathartic, and has produced violent emesis and bloody purging, accompanied by vertigo, and administered to the pregnant female has produced miscarriage. In this state, it is totally unfit for a cathartic, but upon drying the root loses its drastic qualities, and becomes a safe cholagogue, laxative, and cathartic. In ordinary doses it does not produce copious alvine discharges, but gently stimulates the functions of the liver. It does not debilitate nor lower the tone of the bowels or the general system, but gently stimulates and strengthens the functional activity of the whole intestinal appendages. No better laxative can be used in atonic states of the system than leptandra. No matter how great the intestinal atony, it will be found to operate gently and without systemic disturbance. It is an exceedingly useful drug for conditions depending upon hepatic torpor. Small doses restore the liver to its normal condition. The cathartic action of leptandra is beneficial in the forming stages of fevers and in the early stages of dysentery. It relieves the constipated upper bowel, increases the biliary secretions, and acts as an unirritating intestinal tonic, and the dysenteric discharges are speedily checked. In acute dysentery it should be used early. It is an admirable remedy for chronic dysentery, with chronic enteritis, accompanied by dizziness, cold extremities, headache, abdominal and hepatic pain, with mental depression. It is a good agent for atonicity of the stomach and liver. Leptandra is a useful remedy in disorders of the liver. It is a valuable agent in that state known as "biliousness." In acute hepatitis combine the dried alcoholic extract with a small portion of diaphoretic powder to relieve the congested viscus. An occasional dose is not without good effect in chronic inflammation of the liver.

    Materia Medica and Clinical Therapeutics. by Fred J. Petersen, M.D. , 1905: Properties include use as a tonic, laxative, cathartic and cholagogue. Indications include malaise, soreness on pressure and fullness in the region of the liver. Inactivity of the gastrointestinal organs, torpid liver, constipation, dull headache, loss of appetite, cold skin and extremities, mental depression and great lassitude. All of which indicate deficiency in the action of the liver and gastro-intestinal tract. It tones up these organs and improves their function. We think of it in malarial conditions, in which cases it stimulates the secretion of bile and improves the function of the liver. We think of it in remittent and intermittent fevers, and if given with quinine the affect of the latter is much more marked. It tones up the gastrointestinal tract, increases the activity of the glandular organs, is therefore indicated where there is inactivity or torpidity of these organs.

    The American Materia Medica, Therapeutics and Pharmacognosy. by Finley Ellingwood, M.D., 1919: In malarial conditions no cathartic is more efficient than leptandra. It may be given in full doses, and there is no irritation from its action. It certainly increases the discharge of bile and stimulates and greatly improves the function of the liver. In ague when quinine is given as an antiperiodic, if from one-fourth to one grain of leptandra be given with each dose in the intermission, the effects are much more marked and the influence is more permanent. It is demanded in malarial fevers of all kinds, and especially in remittent fever. It is given alone at the onset of the attack as a laxative and in the remission, in small doses in conjunction with the antiperiodic, proving a most valuable auxiliary to the treatment. As an addition to vegetable tonics when malarial conditions prevail, it improves the tone of the entire gastro-intestinal canal and increases the functional activity of the glandular organs. In some cases small doses in wine will produce excellent results. In the treatment of jaundice it is a valuable auxiliary, and combined with the tonics here indicated its influence is most desirable. It clears the skin, produces black alvine evacuation, and assists in overcoming the entire train of symptoms. Leptandra has no superior in a case of this character and must be used freely to be appreciated. It is certainly under-estimated.


    Black Root in small doses is generally regarded as safe. However, if you are on any medications (prescription or over-the-counter) it is best to seek the advice of a health care provider before using Black Root for the treatment of your condition. If you have liver, kidney, or gallbladder problems, it is especially important to talk with your health care provider before using this herb.

    Not for use by young children, or pregnant or nursing women.


  • Black Root (Culvers Root) Herbal Products


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    Kalyx: Culvers Root Extract (Black Root; Veronica Virginica), Health & Herbs, 2 fl oz: HH
    Kalyx: Culvers Root Extract (Black Root; Veronica Virginica), Non-Alcoholic, Health & Herbs, 2 fl. oz: HH
    Kalyx: Culvers Root Extract (Black Root; Veronica Virginica), Health & Herbs, 8 fl oz: HH
    Kalyx: Culvers Root Extract (Black Root; Veronica Virginica), Non-Alcoholic, Health & Herbs, 8 fl. oz: HH
    Kalyx: Culvers Root Extract (Black Root; Veronica Virginica), Health & Herbs, 16 fl. oz: HH
    Kalyx: Culvers Root Extract (Black Root; Veronica Virginica), Health & Herbs, 32 fl. oz: HH
    Kalyx: Culvers Root (Leptandra virginica) Single Herb Alcohol Fluid Extract, Golden Lotus, 2 fl oz: GL
    Kalyx: Culvers Root (Leptandra virginica) Single Herb Alcohol Fluid Extract, Golden Lotus, 4 fl oz: GL
    Kalyx: Culvers Root (Leptandra virginica) Single Herb Alcohol Fluid Extract, Golden Lotus, 8 fl oz: GL
    Kalyx: Culvers Root (Leptandra virginica) Single Herb Alcohol Fluid Extract, Golden Lotus, 16 fl oz: GL
    Kalyx: Culvers Root (Leptandra virginica) Single Herb Alcohol Fluid Extract, Golden Lotus, 32 fl oz: GL
    Kalyx: Culvers Root (Leptandra virginica) Single Herb Alcohol Fluid Extract, Golden Lotus, 1 Gallon: GL


    Amazon: Leptandra Virginica Herbal Products
    Amazon: Culvers Root (Black Root) Herbal Products

    Amazon: Leptandra Virginica 30C MD Homeopathic Medicine, Boiron, 1 Tube Pellets

    Amazon: Culver's Root (Leptandra Virginica), Cut & Sifted, Wildcrafted, Herbies Herbs, 1 lb.

    Amazon: Culver's Root Liquid Herbal Extract, Certified Organic, Cleansing & Detoxification, HerbPharm, 1 fl. oz.

    Amazon: Culver's Root Liquid Herbal Extract, Certified Organic, Cleansing & Detoxification, HerbPharm, 4 fl. oz.

    Get cleansing and detoxifying support with Culvers Root liquid extract from HerbPharm. Culvers Root Extract is expertly extracted to support the body's cleansing and detoxification process. Prepared from the certified organic HerbPharm farm and/or sustainably custom wildcrafted rhizome and rootlets of Veronicastrum virginicum plants in their wild habitat. To assure optimal extraction of resins and other bioactive compounds, the rhizomes and rootlets are hand-harvested only in the autumn. They are carefully shade dried, aged for one year to neutralize irritating compounds, and then are thoroughly extracted. A rapidly absorbed liquid extract, gluten free and non-GMO. Herb potency assured through high performance thin layer chromatography (HPTLC) analysis.

    Amazon: Gallbladder Drops Homeopathic Medicine, Professional Complementary Health Formulas, 2 fl. oz.

    10 drops 3 times per day under the tongue 30 minutes before meals or as directed by health care professional. Ingredients include homeopathic preparations of Carduus marianus 2X, Chionanthus virginica 2X, Leptandra virginica 3X, Gallbladder 3X, Liver 3X, Chelidonium majus 3X, Colocynthis 3X, Belladonna 3X, Cholesterinum 4X, purified water, 20-percent USP alcohol.

    Amazon: GB Tone Homeopathic Dietary Supplement, Energetix, 2 fl. oz.

    GB-Tone is a homeopathic combination formula for gallbladder symptoms. Indications include abdominal pain, indigestion, and headaches. Ingredients include homeopathic preparations of Ammi visnaga 12X; Atropinum sulphuricum 12X; Boldo 4X, 12X; Carduus marianus 4X; Chelidonium majus 12X; Echinacea 4X; Fel tauri 8X, 12X, 30X; Hepar suis 9X, 12X, 30X, 6C; Hydrastis canadensis 4X; Leptandra virginica 12X; Magnesia phosphorica 12X, 30X; Natrum phosphoricum 6X, 12X; Podophyllum peltatum 12X; Taraxacum officinale 4X. Inactive ingredients include Purified Water (70-percent), Glycerin (15-percent), Ethanol (15-percent). Take 30 drops orally twice daily or as directed by a healthcare professional. Shake well before use. Warning: In case of overdose, get medical help or contact a Poison Control Center right away. If pregnant or breast feeding, ask a healthcare professional before use. Keep out of reach of children.

    Amazon: Culvers Root Alcohol Free Liquid Extract (Veronicastrum Virginicum), Dried Root Glycerite, HawaiiPharm, 2 fl. oz.

    Amazon: Culvers Root Alcohol Free Liquid Extract (Veronicastrum Virginicum), Dried Root Glycerite, HawaiiPharm, 4 fl. oz.

    Tincture is available in 2 ounce or 4 ounce bottles. Culver's root (Veronicastrum virginicum) is a wildflower native to the United States. It is an erect perennial herb that grows 80 to 200 cm in height. The leaves are serrated and arranged in whorls of 3 to 7 around the stem. The inflorescence is erect with slender and spike-like racemes. The stamens are crowded and protrude in a brush-like fashion perpendicular to the raceme. The corollas are white and are roughly 2 mm in length. These plants flower from mid-summer to early fall. Culver's Root is frequently found in wet to wet-mesic prairies and sometimes moist upland sites. Shake well before use. Take 20 to 30 drops, three times a day or as directed by your practitioner. The best way to use liquid herbal glycerites is to put the suggested amount in a glass of water, tea, or juice and drink the entire contents. Glycerites can also be administered directly into the mouth without the assistance of water however some glycerites are unpalatable which is why most people prefer to dilute them into a beverage.

    Amazon: Liver Tonic Liquid Extract, Herbs Etc, 1 fl. oz.

    Amazon: Liver Tonic, Herbs Etc, 60 Softgels

    Liver Tonic Protects liver cells against toxins. Stimulates repair of liver cells. Protects liver and gall bladder from excessive ingestion of fatty foods, alcohol, coffee and chocolate. Useful for mild frontal headaches after fatty meals, mild constipation and simple jaundice. Ingredients include Milk Thistle seed, fresh Toadflax herb, Oregon Grape root, Echinacea angustifolia root, Licorice root, fresh Celandine herb, Fringe Tree root bark, Culver's Root root and Blue Flag root. Use As a dietary supplement. Take one softgel or 20 drops with water three times a day. Or as directed by your healthcare professional.

    Amazon: Restorative Cleanse Kit (4 Piece), Botanica, 1 Kit

    Clear Skin Compound (30 mL) contains Sarsaparilla rhizome (Smilax ornata), Yellow Dock root (Rumex crispus), Burdock dried seed (Arctium lappa), Horsetail spring gathered herb (Equisetum arvense), Red Alderbark (Alnus rubra). Gentlelax Compound (15 mL) contains Butternut root bark (Juglans cinera), Buckthorn aged bark (Rhamnuscathartica), Culvers Root (Veronicastrum virginicum), Fresh Dandelion root (Taraxacum officinale), Ginger rhizome (Zingiber officinale). Liver Support Compound (30 mL) contains Fresh Watercress herb (Rorippa nasturtium-aquatica), Fresh Blessed Thistle herb (Cnicus benedictus), Milk Thistle seed (Silybum marianum), Fresh Turmeric rhizome (Curcuma longa), Oregon Grape root (Mahonia nervosa). Lymphatic Compound Support (30 mL) contains Burdock dried root (Arctium lappa), Fresh Red Root (Ceanothus americanus), Figwort fresh herb (Scrophularia nodosa), Violet fresh herb (Viola sororia), Red Clover blossom (Trifolium pratense), Fresh Echinacea Purpurea root.

    Amazon: Culvers Root (Black Root; Veronicastrum Virginicum) Flower Seeds, Seedville, 1000 Seeds

    Garden seeds providing lovely flower spikes similar to Veronica or Verbascum to attract bees, birds, and butterfies. All seeds will come in a resealable plastic zip lock bag with a label featuring a picture of the flower, planting instructions, and plant specifications such as height, spacing, and light requirements for easy planting. If stored properly, seeds can last for years! All seed packets contain 100 percent true named seeds - there are no fillers or other weeds or seeds mixed in. Most have been harvested by hand and all test at an exceptionally high germination rate.

  • Nutrition Basics: Black Root Herbal Information

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