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Brand: Now Foods     Categories: Astragalus / Energy / Herbs / Immune


 

Astragalus Extract 500mg

 

For more than 2000 years, Chinese herbalists have valued Astragalus for its adaptogenic properties, as well as for its ability to tonify the body's "vital force" known as the Qi. More recently, Astragulus has been found to support healthy immune function through numerous mechanisms. Non-clinical studies using Astragalus have demonstrated its ability to stimulate the production of and increase the activity of specialized white blood cells, such as T-Cells and Natural Killer Cells. Astragalus has also been studied for its role in the support of healthy liver and vascular function. Herbalists recommend the use of Astragalus both seasonally and year-round to support a healthy immune system.*

Item#

Brand

Name

Size

Form

Retail

Price

 

16593

Now Foods

Astragalus Extract 500mg Best Seller

90

Vcap

$16.99

$11.28

 

 



Astragalus Extract 500mg

Astragalus Extract 500mg  90  Vcap


Supplement Facts

Serving Size: 1 Vcap

Amount per
serving
% Daily*
Value

Astragalus Root Extract
(Astragalus membranaceous) (Standardized to min. 70% Polysaccharides)

500

mg

**

**Daily value not established.


Suggested Use: As an herbal dietary supplement, take 1 Vcap® 1-3 times daily as needed, preferably with meals.


Free of: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg or preservatives.


Other Ingredients: Cellulose (capsule), Cellulose, Silica and Magnesium Stearate (vegetable source). Vegetarian Formula.


Vcaps® is a registered trademark of Capsugel.

 

Astragalus Fact Sheet

Neil E. Levin, CCN, DANLA

02/10/05


LIKELY USERS:

Everyone seeking a healthy immune system; Those lacking energy


KEY INGREDIENTS:

Astragalus Root Extract Powder 70% polysaccharides (200 mg)


MAIN PRODUCT FEATURES:

A Chinese “tonic herb” used in Traditional Chinese Medicine for night sweats, diarrhea and lack of energy. Tonic herbs are often known as “adaptogens”, helping the body adapt to stresses and modulating immune system responses. Some reports credit Astragalus with shortening colds and strengthening the heart.Astragalus additionally contains triterpene glycosides, also known as astragalosides.


ADDITIONAL PRODUCT INFORMATION:

Vegetarian formula.May be useful to maintain the patient’s immunity in dialysis patients, those with liver problems and those who have suffered from strokes, according to Chinese studies (not as a treatment for those conditions!).


SERVING SIZE & HOW TO TAKE IT:

For everyday use take one to five caps per day, either with meals or on an empty stomach.


SYNERGISTS:

Immune Renew, Inositol Hexaphosphate (IP-6), I3C, Pometrol, mixed carotenoids and other antioxidants.


CAUTIONS:

Pregnant & lactating women, children and people using prescription drugs should consult their physician before taking any dietary supplement. Do not take with AIDS drugs or if you have an autoimmune disease, though there is some (not enough) evidence that Astragalus may balance immune function for at least one autoimmune disorder. This information is based on my own knowledge and these references, but should not be used as diagnosis, prescription or as specific product claims.


REFERENCES:

1. Ooi VE, Liu F. Immunomodulation and anti-cancer activity of polysaccharide-protein complexes. Curr Med Chem. 2000 Jul;7(7):715-29.
2. Zhang YD, Shen JP, Zhu SH, Huang DK, Ding Y, Zhang XL. Effects of astragalus (ASI, SK) on experimental liver injury
Yao Xue Xue Bao. 1992;27(6):401-6. Chinese. PMID: 1442065
3. Sheng BW, Chen XF, Zhao J, He DL, Nan XY. Astragalus membranaceus reduces free radical-mediated injury to renal tubules in rabbits receiving high-energy shock waves. Chin Med J (Engl). 2005 Jan;118(1):43-9. PMID: 15642225
4. Yesilada E, Bedir E, Calis I, Takaishi Y, Ohmoto Y. Effects of triterpene saponins from Astragalus species on in vitro cytokine release. J Ethnopharmacol. 2005 Jan 4;96(1-2):71-7. PMID: 15588652
5. Li C, Cao L, Zeng Q. Astragalus prevents diabetic rats from developing cardiomyopathy by downregulating angiotensin II type2 receptors' expression. J Huazhong Univ Sci Technolog Med Sci. 2004;24(4):379-84. PMID: 15587404
6. Wang SH, Wang WJ, Wang XF, Chen W. [Effect of Astragalus polysaccharides and berberine on carbohydrate metabolism and cell differentiation in 3T3-L1 adipocytes]. Zhongguo Zhong Xi Yi Jie He Za Zhi. 2004 Oct;24(10):926-8. Chinese. PMID: 15553830
7. Shao BM, Dai H, Xu W, Lin ZB, Gao XM. Immune receptors for polysaccharides from Ganoderma lucidum. Biochem Biophys Res Commun. 2004 Oct 8;323(1):133-41. PMID: 15351712
8. Mao SP, Cheng KL, Zhou YF. [Modulatory effect of Astragalus membranaceus on Th1/Th2 cytokine in patients with herpes simplex keratitis]. Zhongguo Zhong Xi Yi Jie He Za Zhi. 2004 Feb;24(2):121-3. Chinese. PMID: 15015443
9. Guo FC, Williams BA, Kwakkel RP, Li HS, Li XP, Luo JY, Li WK, Verstegen MW. Effects of mushroom and herb polysaccharides, as alternatives for an antibiotic, on the cecal microbial ecosystem in broiler chickens. Poult Sci. 2004 Feb;83(2):175-82.
10. Shao BM, Xu W, Dai H, Tu P, Li Z, Gao XM. A study on the immune receptors for polysaccharides from the roots of Astragalus membranaceus, a Chinese medicinal herb. Biochem Biophys Res Commun. 2004 Aug 6;320(4):1103-11.
PMID: 15249203
11. Zhang BQ, Hu SJ, Shan QX, Sun J, Xia Q. [Relaxant effect of Astragalus membranaceus on smooth muscle cells of rat thoracic aorta.] Zhejiang Da Xue Xue Bao Yi Xue Ban. 2005 Jan;34(1):65-8. Chinese. PMID: 15693127
12. Luo Y, Qin Z, Hong Z, Zhang X, Ding D, Fu JH, Zhang WD, Chen J. Astragaloside IV protects against ischemic brain injury in a murine model of transient focal ischemia. Neurosci Lett. 2004 Jun 17;363(3):218-23. PMID: 15182947
13. Tan BK, Vanitha J. Immunomodulatory and antimicrobial effects of some traditional chinese medicinal herbs: a review. Curr Med Chem. 2004 Jun;11(11):1423-30.

14. Shu HY. Oriental Materia Medica: A Concise Guide. Palos Verdes, CA: Oriental Healing Arts Press, 1986, 521–3.
15. Klepser T, Nisly N. Astragalus as an adjunctive therapy in immunocompromised patients. Alt Med Alert 1999;Nov:125–8 [review].
16. Qun L, Luo Q, Zhang ZY, et al. Effects of astragalus on IL-2/IL-2R system in patients with maintained hemodialysis. Clin Nephrol 1999;52:333–4 [letter].
17. Tang W, Eisenbrand G. Chinese Drugs of Plant Origin. Berlin: Springer Verlag, 1992, 1056.
18. Li SQ, Yuan RX, Gao H. Clinical observation on the treatment of ischemic heart disease with Astragalus membranaceus. Chung Kuo Chung His I Chieh Ho Tsa Chih 1995;15:77–80 [in Chinese].
19. Chen LX, Liao JX, 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 Hsi I Chieh Ho Tsa Chih. Mar1995;15(3):141-3.
20. Lei ZY, Qin H, Liao JZ. Action of Astragalus membranaceus on Left Ventricular Function of Angina Pectoris. Chung Kuo Chung Hsi I Chieh Ho Tsa Chih. Apr1994;14(4):199-202,195.
21. Geng CS, et al. Advances in Immuno-pharmacological Studies on Astragalus membranaceus. Chin J Integ Trad West Med. 1986;6:62.
22. Shi HM, et al. Intervention of Lidocaine and Astragalus membranaceus on Ventricular Late Potentials. Zhongguo Zhong Xi Yi Jie He Za Zhi. Oct1994;14(10):598-600.
23. Griga IV. Effect of a Summary Preparation of Astragalus cicer on the Blood Pressure of Rats with Renal Hypertension and on the Oxygen Consumption by the Tissues. Farm Zh. 1977;6:64-66.
24. Kurashige S, Akuzawa Y, Endo F. Effects of astragali radix extract on carcinogenesis, cytokine production, and cytotoxicity in mice treated with a carcinogen, N-butyl-N'-butanolnitrosoamine. Cancer Invest. 1999;17(1):30-5.
25. Wei H, Sun R, Xiao W, et al. Traditional Chinese medicine Astragalus reverses predominance of Th2 cytokines and their up-stream transcript factors in lung cancer patients. Oncol Rep. Sep2003;10(5):1507-12.
26. PDR for Herbal Medicines, 2nd edition. Montvale, NJ: Medical Economics Company; 2000:56.
American Herbal Products Association. Use of Marker Compounds in Manufacturing and Labeling Botanically Derived Dietary Supplements. Silver Spring, MD: American Herbal Products Association; 2001.

 

 


 






 
 

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