Astragalus and dandelion are herbal supplements used as a part of complementary and alternative medicine to treat a variety of different ailments. The root of the astragalus plant is usually used in teas, soups, extracts or capsules, whereas dandelion supplements may include the root, leaves or entire dandelion plant. The FDA does not regulate the manufacturing of herbal supplements. You should always consult your doctor before beginning any type of herbal supplementation.
Astragalus Usage
Traditionally, astragalus was most commonly used in Chinese medicine to strengthen the immune system and prevent diseases and infections. Astragalus was also used to treat fever, allergies, fatigue, anemia, stomach ulcers, hepatitis and digestive symptoms, such as diarrhea, bloating and gas. In the United States, astragalus has been used to improve immune function in those undergoing chemotherapy and radiation treatment. The National Center for Complementary Medicine notes that the evidence to support these claims is limited because clinical trials using people are significantly lacking.
Warnings
The potential for side effects of astragalus is not well-known, although most people who take astragalus tolerate the herb without any physical or physiological symptoms. Astragalus may interact with immune-suppressing medications, such as those taken by cancer patients or those who are receiving organ transplants. Some astragalus species can contain neurotoxins and high levels of toxins, so you should use care when taking astragalus supplements.
Dandelion Usage
Traditionally, dandelion was used to treat liver problems, kidney disease, heartburn, upset stomach and to reduce inflammation. Currently, one common use for dandelion is as a diuretic, which promotes urine production and rids the body of excess water. Dandelion roots are also used to improve liver and gallbladder function and to stimulate appetite. According to the National Center for Complementary and Alternative Medicine, scientific evidence does not support the use of dandelion supplements for the treatment of any of these ailments.
Warnings
Dandelion is generally considered safe for most people, although some people may experience diarrhea or upset stomach. If you are allergic to marigold, ragweed, chamomile, daisy, yarrow, iodine or chrysanthemums, you should not take dandelion supplements as you may develop an allergic reaction. People with gallbladder disease, an inflamed gallbladder or blocked bile ducts should not take dandelion.
Because dandelion is a diuretic, the University of Maryland Medical Center also notes that the use of dandelion may increase the excretion of certain medications from the body. Dandelion may also increase the side effects of lithium and interfere with the action of certain antibiotics.
References
- University of Maryland Medical Center: Astragalus; Steven D. Ehrlich, N.M.D.; Aug. 25, 2008
- National Center for Complementary and Alternative Medicine: Astragalus; Dec. 23, 2010
- National Center for Complementary and Alternative Medicine: Dandelion; Dec. 15, 2010
- University of Maryland Medical Center: Dandelion; Steven D. Ehrlich, N.M.D.; Dec. 5, 2008
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