Native to the northern regions of China, astragalus is a medicinal supplement derived from the root of the Astragalus membranaceus plant. Astragalus root has antioxidant, antibacterial and anti-inflammatory properties. For this reason, astragalus root has been used traditionally to boost the immune system, prevent infections, reduce stress and heal wounds. However, additional research is needed to support these purported effects of astragalus root. Discuss the safety of astragalus root with your medical provider before you begin treatment with this supplement.
Adverse Effects
When used as directed, astragalus root is regarded as safe and is not known to cause adverse side effects. However, if you experience any unusual health issues after taking astragalus root, consult your doctor.
Medication Interactions
Treatment with astragalus root may be inappropriate for people taking certain types of prescription medications. Avoid taking astragalus root if you are undergoing immunosuppressive therapy. Astragalus root may enhance the activity of your immune system and can counteract the effects of immunosuppressant drugs. Additionally, do not take astragalus root in conjunction with lithium. Combining these treatments may make it harder for your body to metabolize lithium, which may cause this medication to accumulate in your body to potentially toxic levels.
Contraindications
The safety and efficacy of astragalus root have not been evaluated in pregnant women. For this reason, expectant and breast-feeding mothers should not use this herbal treatment. Additionally, people who have undergone an organ transplant or have an autoimmune disease -- such as rheumatoid arthritis, multiple sclerosis or lupus -- should not take astragalus root. Improper use of this supplement by people with compromised immune systems may exacerbate disease symptoms.
Preparations
Preparations of astragalus root are available in a variety of forms, including topical ointment, capsules, tablets, tea and tinctures. In certain Asian countries, astragalus root may also be administered as an injection. The amount of astragalus root you can take depends on a variety of factors, such as your age, body weight and health status. Health professionals with the University of Maryland Medical Center note that doses of astragalus root ranging between 1 and 25 g may be used by adults. For personalized astragalus root dosage information, seek guidance from your medical provider.
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