Nature's Answer® Astragalus Root 2,000 mg

Nature's Answer® Astragalus Root 2,000 mg - NATURES ANSWER - GNC Zoom
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Product Information


Astragalus membranaceus
Our alcohol-free extracts are produced using our cold Bio-Chelated® proprietary extraction process, yielding a Holistically Balanced® Advanced Botanical Fingerprint™ extract in the same synergistic ratios as in the plant.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


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Supplement Facts

Serving Size 2 mL
Servings Per Container 15
Amount Per Serving % DV
Astragalus (Astragalus membranaceus) root 2000.00 mg **
** Daily Value (DV) not established

Product Directions / Additional Info

Suggested Use: As a dietary supplement take 1-2 mL (28-56 drops) three (3) times a day in a small amount of water.

Other Ingredients: Vegetable Glycerin, Purified Water

Gluten-free, Alcohol-Free

Warning: Shake Well. Keep out of reach of children. Do not use if pregnant or nursing. Do no use is safety seal is damaged or missing.

©2013 Nature's Answer® Inc.
Hauppauge, NY 11788-3943

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Health Notes


This nutrient has been used in connection with the following health goals
  • Reliable and relatively consistent scientific data showing a substantial health benefit.
  • Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
  • For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary "Star-Rating" system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:

Common Cold and Sore Throat
Dose: Refer to label instructions
Adaptogens such as astragalus are thought to help keep various body systems-including the immune system-functioning optimally.(more)
Immune Function
Dose: Refer to label instructions
Complex polysaccharides in astragalus affect the immune system. One study showed that astragalus elevate antibody levels in healthy people.(more)
Dose: Refer to label instructions
Astragalus supports the immune system and protects against microbes.(more)
Dose: Refer to label instructions
Though a safe amount has not been established, one preliminary trial found that this herb could decrease overactive immune function in people with this disease. (more)
Heart Attack
Dose: Refer to label instructions
Preliminary clinical trials in China suggest that astragalus may be beneficial for people after they have suffered a heart attack.(more)
Common Cold and Sore Throat
Dose: Refer to label instructions

Herbal supplements can help strengthen the immune system and fight infections. Adaptogens, which include eleuthero, Asian ginseng, astragalus, and schisandra, are thought to help keep various body systems-including the immune system-functioning optimally. They have not been systematically evaluated as cold remedies. However, one double-blind trial found that people who were given 100 mg of Asian ginseng extract in combination with a flu vaccine experienced a lower frequency of colds and flu compared with people who received only the flu vaccine.1


1. Scaglione F, Cattaneo G, Alessandria M, Cogo R. Efficacy and safety of the standardized ginseng extract G 115 for potentiating vaccination against common cold and/or influenza syndrome. Drugs Exp Clin Res 1996;22:65-72.

Immune Function
Dose: Refer to label instructionsComplex polysaccharides present in astragalus and in maitake and coriolus mushrooms appear to act as "immunomodulators" and, as such, are being researched for their potential role in AIDS and cancer. Presently, the only human studies on astragalus indicate that it can prevent white blood cell numbers from falling in people given chemotherapy and radiotherapy and can elevate antibody levels in healthy people.1 Maitake has only been studied in animals as a way to increase immune function.2 The primary immuno-activating polysaccharide found in these mushrooms, beta-D-glucan, is well absorbed when taken orally3 and is currently under investigation as a supportive tool for HIV infection. Results from future research will improve the understanding of the possible benefits of these mushrooms and their constituents.

1. Bone K, Morgan M. Clinical Applications of Ayurvedic and Chinese Herbs. Warwick, Queensland, Australia: Phytotherapy Press, 1996, 13-20.

2. Nanba H. Antitumor activity of orally administered 'D-fraction' from maitake mushroom (Grifola frondosa). J Naturopathic Med 1993;4:10-5.

3. Pengelly A. Medicinal fungi of the world. Modern Phytotherapist 1996;2:1, 3-8 [review].

Dose: Refer to label instructions

Herbs that support a person's immune system in the fight against microbes include the following: American ginseng, andrographis, Asian ginseng, astragalus, coriolus, eleuthero, ligustrum, maitake, picrorhiza, reishi, schisandra, and shiitake.1


1. Murray MT. The Healing Power of Herbs. Rocklin, CA: Prima Publishing, 1995.

Dose: Refer to label instructions

One Chinese preliminary trial also found that astragalus could decrease overactive immune function in people with systemic lupus erythematosus.1 However, much more research is needed to know whether astragalus is safe in lupus or any other autoimmune disease.


1. Klepser T, Nisly N. Astragalus as an adjunctive therapy in immunocompromised patients. Alt Med Alert 1999;Nov:125-8 [review].

Heart Attack
Dose: Refer to label instructionsPreliminary clinical trials in China suggest that astragalus may be of benefit in people after they have suffered a heart attack.1, 2 These studies did not attempt to show any survival or symptom reduction benefit. Therefore, further research is needed to determine whether astragaslus would be of benefit to people with heart attacks or angina.

1. Chen LX, Liao JZ, Guo WQ. Effects of Astragalus membranaceus on left ventricular function and oxygen free radical in acute myocardial infarction patients and mechanism of its cardiotonic action. Chung Kuo Chung His I Chieh Ho Tsa Chih 1995;15:141-3 [in Chinese].

2. Shi HM, Dai RH, Wang SY. Primary research on the clinical significance of ventricular late potentials (VLPs), and the impact of mexiletine, lidocaine and Astragalus membranaceus on VLPs. Chung His I Chieh Ho Tsa Chih 1991;11:259, 265-7 [in Chinese].

Parts Used & Where Grown

Astragalus is native to northern China and the elevated regions of the Chinese provinces, Yunnan and Sichuan. The portion of the plant used medicinally is the four- to seven-year-old dried root, collected in the spring. While over 2,000 types of astragalus exist worldwide, the Chinese version has been extensively tested, both chemically and pharmacologically.1

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The information presented by Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2017.