Part used Root
Use Decoction: Simmer 2 tsp dried root in 12 oz water for 1/2 hour and steep 1/2 hour

The root may also be ground into a powder, which can be brewed into teas (study)

There’s no official consensus on the most effective form or dosage of astragalus, 9–30 grams per day is typical (study)

Based on the research, oral doses of up to 60 grams per day for up to four months seem to be safe for most people. However, there are no studies to determine the safety of high doses in the long term

  • Immuno-regulatory  – calming and stimulating effects on immune system
    • Increase your body’s production of white blood cells (study1study2)
    • Strengthens the immune system and reduces inflammation (study3)
    • Enhances immune system and prevents, fights and helps kill viral and bacterial infection and infection of the liver (study4study5, study6study7study8)
    • Enhances resistance to colds – increases production of interferon, helps macrophages and immune cells become faster and more efficient
    • Helps body compensate for immune damage induced  by prescription medications
    • Prevents immuno-suppression in chemotherapy
  • Alleviate Side Effects of Chemotherapy  (1study9, study10, study11).
  • Strengthens and heals lungs
  • Heart health
  • Prevents kidney and liver damage (hepa-protective) and may Improve Kidney Function (study22, study23, study24, study25)
  • Strengthens digestion
  • Increases metabolic activity
  • Helps Control Blood Sugar Levels (study 16study17, study18study19study20, study21)
Dangers Do not take during acute infection or during cold or flu

Be cautious and seek medical advice before taking Astralagus

  • if you have autoimmune disease such as multiple sclerosis, lupus or rheumatoid arthritis: Astragalus may increase the activity of your immune system (study)
  • if you are taking immunosuppressant drugs: Since astragalus may increase the activity of your immune system, it may decrease the effects of immunosuppressant drugs (study)
  • if you have diabetes or issues with your blood pressure: Astragalus may have effects on blood sugar levels and blood pressure(study)

Adapted from:

Winston, D. & Maimes, S. (2007). Adaptogens: Herbs for strength, stamina and stress releif. Rochester, VT: Healing Arts Press

Balch, P.A. (2002). Prescription for herbal healing. New York, NY: Avery books


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