Quebracho Blanco: Uses, Side Effects, Precautions, and Dosing

thumbnail for this post

Quebracho Blanco: A Comprehensive Health Guide


Quebracho blanco (Aspidosperma quebracho-blanco) is a tree native to South America, primarily found in Argentina, Paraguay, and Bolivia. Its bark and wood have been used traditionally for centuries for their therapeutic properties. In recent years, quebracho blanco has gained popularity as a health supplement, due to its purported health benefits ranging from pain relief to blood sugar control.


Quebracho blanco is commonly used for the following health conditions:

  • Pain: Quebracho blanco contains alkaloids that have pain-relieving effects. It is often used to alleviate pain from osteoarthritis, rheumatoid arthritis, back pain, and muscle spasms.
  • Inflammation: The alkaloids in quebracho blanco possess anti-inflammatory properties, which can help reduce inflammation and swelling in conditions such as arthritis and inflammatory bowel disease.
  • Digestion: Quebracho blanco has been traditionally used to treat digestive issues such as diarrhea, constipation, and indigestion. It is believed to stimulate digestive juices and improve digestion.
  • Blood sugar control: Some studies suggest that quebracho blanco may have beneficial effects on blood sugar levels. It is hypothesized that it may help improve insulin sensitivity and reduce blood sugar spikes after meals.
  • Anticancer: Preliminary research indicates that quebracho blanco may have anticancer properties. Studies have shown that its alkaloids can inhibit the growth and spread of certain cancer cells.

Active Compounds

The therapeutic effects of quebracho blanco are primarily attributed to its active compounds, which include:

  • Alkaloids (aspidospermine, quebrachine): These alkaloids are responsible for the pain-relieving, anti-inflammatory, and digestive effects of quebracho blanco.
  • Tannins: Tannins are astringent compounds that can help reduce inflammation and diarrhea.
  • Glycosides: Glycosides are plant chemicals that can have various health benefits, including antioxidant and anti-inflammatory effects.

Side Effects

Quebracho blanco is generally considered safe when used in moderation. However, some side effects may occur, including:

  • Digestive issues: Quebracho blanco can stimulate digestion, which may cause nausea, diarrhea, or constipation in some individuals.
  • Interactions with blood thinners: Quebracho blanco may interact with blood-thinning medications, increasing the risk of bleeding.
  • Interactions with other medications: Quebracho blanco may interact with other medications, such as diabetes medications or sedatives.
  • Allergic reactions: In rare cases, individuals may experience allergic reactions to quebracho blanco.


Before using quebracho blanco, it is important to consult with a healthcare professional, especially if you have any existing health conditions or are taking any medications. The following precautions should be taken:

  • Avoid during pregnancy and breastfeeding: Quebracho blanco has not been studied in pregnant or breastfeeding women. It is recommended to avoid its use during these times.
  • Use with caution if you have liver or kidney disease: Quebracho blanco may be processed in the liver and kidneys. Individuals with liver or kidney disease should consult with their healthcare professional before using quebracho blanco.
  • Avoid high doses: High doses of quebracho blanco may increase the risk of side effects. Follow the recommended dosage guidelines or consult with a qualified healthcare practitioner.


The recommended dosage of quebracho blanco depends on the specific condition being treated. It is typically recommended to start with a low dosage and gradually increase it as needed.

  • Pain: 300-1,000 mg of extract per day
  • Inflammation: 250-500 mg of extract per day
  • Digestion: 250-500 mg of extract per day
  • Blood sugar control: 150-300 mg of extract per day


Quebracho blanco is available in various forms, including:

  • Tea: Dried quebracho blanco bark can be steeped in water to make a tea.
  • Capsules: Quebracho blanco extract is available in capsule form.
  • Tincture: Quebracho blanco extract can be diluted in alcohol to create a tincture.


Quebracho blanco may interact with certain medications. It is important to inform your healthcare professional about all medications you are taking before using quebracho blanco.

  • Blood thinners: Quebracho blanco may increase the effects of blood thinners, such as warfarin.
  • Diabetes medications: Quebracho blanco may lower blood sugar levels, which could interact with diabetes medications.
  • Sedatives: Quebracho blanco may enhance the sedative effects of medications such as benzodiazepines.


Quebracho blanco is a natural supplement with potential health benefits for various conditions, including pain, inflammation, digestion, blood sugar control, and possibly even cancer. It is important to use quebracho blanco safely and consult with a healthcare professional before starting supplementation. By following the recommended dosage guidelines, taking precautions, and being aware of potential interactions, individuals can harness the potential health benefits of quebracho blanco while minimizing the risks.

A thumbnail image

American Elder: A Comprehensive Guide to Its Uses, Side Effects, Precautions, and Dosing

American Elderberry: A Comprehensive Guide to Its Uses, Side Effects, and More …

A thumbnail image

Winter Savory: Uses, Side Effects, Precautions, and Dosage

Winter Savory: A Versatile Herb with Culinary and Medicinal Benefits Winter …

A thumbnail image

Herb Paris: Uses, Side Effects, Precautions, and Dosing

Herb Paris: Uses, Side Effects, Precautions, and Dosing Introduction Herb Paris, …