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The Daily Insight

How much Astragalus extract should I take?

Author

James Stevens

Updated on March 02, 2026

While there’s no official recommendation for the most effective astragalus dosage, 9 to 30 grams per day is a typical dose. However, you should consult a doctor if you’re looking to use astragalus to supplement treatment for a medical condition, as some doses may be more effective than others.

How many mg Astragalus a day?

Dosage Recommendations Decoctions are also popular. These are made by boiling the astragalus root to release its active compounds. Though there’s no official consensus on the most effective form or dosage of astragalus, 9–30 grams per day is typical (38).

What is Astragalus extract used for?

Its root is used for health care purposes. Commonly combined with other herbs, astragalus has been promoted as a dietary supplement for many conditions, including upper respiratory infections, allergic rhinitis (hay fever), asthma, chronic fatigue syndrome, and chronic kidney disease, among others.

What is astragalus and its benefits?

Astragalus is used to protect and support the immune system, preventing colds and upper respiratory infections, lowering blood pressure, treating diabetes, and protecting the liver. Astragalus has antibacterial and anti-inflammatory properties. People sometimes use it on the skin for wound care.

Does Astragalus really work?

Proponents also say astragalus stimulates the spleen, liver, lungs, circulatory, and urinary system. It’s also used to treat osteoarthritis, asthma, and nervous conditions as well as to lower blood sugar and blood pressure. However, there is limited evidence to prove that it is effective.

How much Astragalus should I take?

Astragalus root can be taken in a standardized extract, tea or decoction, powdered root, tincture or ointment, all of which have their recommended dosages. For adults, the University of Maryland Medical Center suggests taking 250 to 500 mg standardized extract three to four times daily.

What are the side effects of Astragalus?

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  • Dehydration
  • Diarrhea
  • High doses may suppress the immune system or interact with other herbs and prescription medications
  • Should be avoided by pregnant or nursing mothers,and those with MS,lupus,rheumatoid arthritis,or any autoimmune disease
  • May affect blood sugar or blood pressure
  • How does Astragalus help the immune system?

    The herb is said to offer multiple health benefits for multiple conditions, including heart benefits. Astragalus is thought to stimulate the immune system. It has antioxidant effects that inhibit free radical production. In the body, free radicals damage cells and are linked to many health problems associated with aging.