Blessed Thistle Benefits and Information

Blessed Thistle Benefits and Information

While originally found growing in areas of Asia and Europe, blessed thistle is not cultivated in variety of regions througout the world, including the United States. With exception of the root almost all of the blessed thistle plant, including the leaves, flowers and stem, is used in herbal preparations.

Historically, blessed thistle has been recommended as for stomach upset, indigestion, constipation and gas. Some use it for gallbladder and liver disorders. However, there is only limited clinical evidence to support its use medicinally.

Dosage and Administration

  • Tincture: A dose of 7.5 to 10 milliliters (one and a half to two teaspoons) of tincture containing blessed thistle (concentration of 1.5 grams per liter) has been taken by mouth three times per day.
  • Liquid extract: A dose of 7.5 to 10 milliliters (one and a half to two teaspoons) of tincture containing blessed thistle (concentration of 1.5 grams per liter) has been taken by mouth three times per day.
  • Infusion: A dose of 1.5 to 2 grams of blessed thistle in 150 milliliters of water has been taken orally three times a day.
  • Tea: A dose of 1.5 to 3 grams of dried blessed thistle flowering tops doused in boiling water has been taken as a tea three times per day. A dose of one to three teaspoons of blessed thistle herb boiled in one cup of water for five to 15 minutes has been used three times a day prior to eating meals.
It is not recommended for children under 18 to use blessed thistle.

Site Effects and Interactions

Blessed thistle is usually considered safe when used at recommended doses for short durations. Some people experience stomach discomfort, such as vomiting. Other potential side effects include skin rash or eye irritation. Adverse effects may be the consequence of blessed thistle allergies.

Supporting Literature

Bradley PR (ed). British Herbal Compendium, vol 1. Bournemouth, Dorset, UK: British Herbal Medicine Association, 1992, 126-127.
Foster S. 101 Medicinal Herbs. Loveland, CO: Interweave Press, 1998, 32-33.
Lust JB. The Herb Book. New York: Bantam Books, 1974, 343.
National Center for Complementary and Alternative Medicine (NCCAM): A division of the U.S. Department of Health & Human Services dedicated to research.
Natural Standard: An organization that produces scientifically based reviews of complementary and alternative medicine (CAM) topics.

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