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Yellow Dock Purchase & Information


Alternative Names

Acedera, Amalvelas, Broad-Leaved Dock, Chukkah, Curled Dock, Curly Dock, Field Sorrel, Herbe à Cochons, Lengua de Vaca, Narrow Dock, Oseille Crépue, Parelle Sauvage, Patience Crépue, Romaza, Rumex, Sheep Sorrel, Sour Dock, Yellowdock CAUTION: Please refer to separate listing for Sorrel, Wood Sorrel

Scientific Name

Rumex Crispue

Why Do People Use Yellow Dock?

Oral preparations of Rumex crispus (Yellow dock), like yellow dock powder, are used for chronic and acute inflammation of nasal passages and respiratory tract, as a laxative, as an adjunct to antibacterial therapy, for treating venereal diseases and as a general tonic. Topically, people use yellow dock as a dentifrice. Historically Yellow dock powder has been used for dermatitis, chronic skin diseases, scurvy, rashes, psoriasis, constipation and for obstructive jaundice. In Food Items - Yellow dock is used as an essential item in various type of salads.

Is It Safe To Use?

Possibly Safe - Orally used yellow dock is thought to be safe if used within amounts commonly found in food items. Young leaves of yellow dock should be boiled to remove the oxalate content. There are some cases reported of death because of uncooked leaves consumption. However, oral and appropriate consumption for medicinal purposes is safe. Possibly Unsafe In Pregnancy - Oral consumption of yellow bark powder should be avoided during pregnancy. This herb contains unstandardized laxatives and anthraquinone glycosides, which should be avoided during pregnancy. Possibly Unsafe Lactation - Oral consumption of yellow dock should be avoided by breastfeeding mother because Anthraquinones are secreted into the breast milk.

How Effective Is Yellow Dock?

To rate the effectiveness of yellow dock, there is insufficient and unreliable information available.

How Yellow Dock Works?

The most effective parts of Rumex crispus are the rhizome and root. Yellow dock contains oxalates (calcium oxalate and oxalic acid), anthraquinone glycosides (emodin, chrysophanic acid, physcion) and tannins as well. Oxalate substance is low in the stalks and comparatively higher in the leaves. The anthroquinones (2-4%) have a gentle stimulant diuretic impact. Anthroid diuretic utilization is not related with an increased risk of developing colorectal carcinoma and adenoma. The tannins (12-20%) maybe responsible for astringent impacts. Yellow dock is also stimulates the production of bile. Yellow dock leaves contain iron and provitamin A (beta-carotene).

What Are The Side Effects /Adverse Reactions of Yellow Dock?

Vomiting may result after orally using fresh rhizome. Over dosage can bring about nausea complaints, diarrhea, dermatitis or polyuria. Excessive dosage of oral utilization can also bring about hypokalemia, abdominal cramps and intestinal atrophy. There is one report of a death due to diarrhea, vomiting, respiratory depression, coma, severe metabolic acidosis, liver and kidney failure and ventricular fibrillation, following oral intake of 500 grams of yellow dock. Oxalic acid responds with forming insoluble calcium oxalate, calcium in plasma, which can cause hypocalcemia, the crystals may precipitate in the blood vessels, kidneys, lungs, heart and liver. Patients suffering from history of kidney stones should take yellow dock cautiously. Contact with the plant may effect as dermatitis in individuals sensitive to yellow dock. Uncooked or older leaves should be avoided. Yellow dock can bring about allergic reactions response in people affected by ragweed.

How Yellow Dock Interacts With Other Herbs and Supplements?

Calcium - Combination of yellow dock powder along with calcium containing supplements may reduce the rate of mineral absorption. Yellow dock powder consist of oxalate which can decrease mineral absorption and drag multivalent metal ions into the gastrointestinal tract. Cardiac Glycoside-Containing Herbs - Combination of cardiac glycoside containing herbs and Rumex crispus may enhance the potential risks of cardiac glycoside toxicity caused by the presence of stimulant laxatives in yellow dock, which may lead to the reduction in serum potassium. Iron - This combination may reduce mineral absorption. Yellow dock consists of oxalate, which can impasse multivalent metal ions into the gastrointestinal tract and result in decrease in mineral absorption. Stimulant Laxative Herbs - Misusage of excessive dosage stimulant laxatives along herbs containing cardiac glycoside may increases the cardiac toxicity risk because of potassium depletion factor. Stimulant laxative herbs include alder buckthorn, aloe, root, black root, butternut bark, blue flag, European buckthorn, greater bindweed, gossypol, manna, jalap, colocynth, gamboge, fo ti, senna, greater bindweed, gossypol, manna, jalap, rhubarb, Mexican scammony root and yellow dock. Zinc - This mixture may reduce the absorption level of mineral in the body. Yellow dock powder contains oxalate which may result in decrease of mineral absorption and bind multivalent metal ions in the gastrointestinal tract.

How Yellow Dock Interacts With Drugs?

Digoxin (Lanoxin) - Interaction rating between yellow dock powder and digoxin (Lanoxin) is major, so avoid this combination. Toxic effects are reported because of hypokalemia and are possible when yellow dock is utilized chronically or in excessive dosage. Diuretic Drugs - Interaction rating and Rumex crispus and diuretic drugs is major, so avoid using this mixture. Excessive dosage of yellow dock may compound diuretic-induced potassium loss. However, there are some cases reported that people orally using yellow dock plus potassium-depleting diuretics may have more chances of risk for hypokalemia. Using potassium supplementation or enhancing the dosage of potassium supplement may be important for some patients. Some diuretics that can deplete potassium include chlorthalidone (Thalitone), chlorothiazide (Diuril), hydrochlorothiazide (HCTZ, Hydrodiuril, Microzide), furosemide (Lasix) and others. Warfarin (Coumadin) - Interaction rating between yellow dock powder and warfarin is moderate, so be careful about this combination. In some cases, yellow dock causes diarrhea. Diarrhea can increase the effects of warfarin, increase the bleeding risks and increase international normalized ratio (INR). So patient should be cautious about using excessive dosage of warfarin along yellow dock.

How Yellow Dock Interacts With Foods?

Iron, Calcium and Zinc - Usage of yellow dock powder along with various food items such as iron, calcium and zinc may reduce the mineral absorption from foods. There is oxalate in yellow dock which can decrease mineral absorption and bind multivalent metal ions in the gastrointestinal tract.

How Yellow Dock Interacts With Lab Tests?

Colorimetric Tests - Yellow dock may affect the urine color (red, pink, orange, purple and rust) affecting the diagnostic tests that depend on a color change because of its anthraquinone content. Serum Potassium - Over dosage of yellow dock may lead to potassium depletion by decreasing the serum potassium concentrations and relevant test results.

How Yellow Dock Interacts With Diseases and Conditions?

Coagulation Disorders - Because of oxalate constituents, yellow dock can change the calcium concentrations and also reduce the coagulation time. Gastrointestinal (Gi) Conditions - Physician don’t recommend the use of Rumex crispus in individuals with intestinal obstruction. Usage of yellow dock can cause intestinal ulcers and exacerbate stomach ulcers because of its mucosal irritant activities. Kidney Disease - Regular intake of yellow dock can adversely effect the kidneys with insoluble oxalate production.

What Should Be the Dose/Administration of Yellow Dock?

ORAL Yellow dock is typical taken as tea (Simmer 2-4 grams root in 150 mL of warm water for up to ten minutes then strain) or dried root with 2 to 4 grams and taken thrice on daily basis. It is also taken as liquid extract between range of 2 to 4 mL (with ration of 1:1 in 25% concentrated alcohol) thrice every day however individuals also take it as tincture in amounts 1-2 mL (1:5 in 45% alcohol).

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General Certificate of Analysis (COA)

Specification sheet links below are a standard copy of the COA less the batch or lot number and manufactures dates. Specification sheet can be dated and should only be considered as a general information. Please contact and request an up to date COA if needed for specific updated information before placing order by filling out the contact form with product name and SKU number. If ordering quantities of twenty five kilos or more contact for availability.

Specification Sheets

Yellow Dock Powder


 

WARNING:
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.



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