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Brand: Now Foods     Categories: Beta Glucan / Herbs / Immune / Maitake


Beta - 1,3/1,6 -D- Glucan











Now Foods

Beta - 1,3/1,6 -D- Glucan







Beta - 1,3/1,6 -D- Glucan

Beta - 1,3/1,6 -D- Glucan  90  Capsule

Supplement Facts

Serving Size: 1 Vcap

Amount per
% Daily*

Beta - 1,3/1,6 -D- Glucan powder (min.60%) (from Saccharomyces cerevisiae)




Maitake Mushroom (Grifola frondosa)




**Daily value not established.

Suggested Use: As a dietary supplement, take one Vcap® daily.

Free of: wheat, corn, soy, milk, salt, preservatives, colors, synthetics.

Other Ingredients: Brown Rice Flour, Magnesium Stearate.

Warnings: None

Vcaps® is a trademark of Capsugel.


NOW® Beta-1,3/1,6-D-Glucan (Beta-Glucan) is a bioactive carbohydrate derived from the cell wall of Saccharomyces cerevisiae, commonly known as Bakers' yeast. Scientific studies have shown that Beta-Glucan supports immune function through its ability to stimulate macrophage activity. NOW Beta-Glucan is blended into a synergistic base of Maitake Mushrooms for added power.*

Beta Glucans

By Lou DeMers and Neil Levin, NOW Quality Assurance Dept.

Immune response relies on the stimulation of macrophages – white blood cells that scour the body on ‘search and destroy’ missions targeting harmful bacteria. Unfortunately, these “Special Forces” are not always on duty - they must first be activated. And that’s the role of beta-glucans. They give the “go order” to the body’s macrophages. The more beta-glucans in the system, the more macrophages will be called into action. *


Polysaccharides containing D-glucose as the only monomer are commonly referred to as D-glucans. Starches, Glycogen and Cellulose are chemically ‘glucans’; but the glucose molecules are 1,4-linked and are not the immuno-stimulant type of “glucans”.

The immunostimulatory b-glucans however, are those in which the glucose molecules are 1,3-linked, and are commonly known as b-glucans. When the b-1,3-linkage glucose molecules have branches attached in position 6 of the glucose in the backbone chain, they are defined as the b-1,3/1,6-D-glucans. These glucans exist in foods such as oats, barley, and some medicinal mushrooms but the NOW Foods’ product is derived from the cell walls of Baker’s Yeast (Saccharomyces cerevisiae).

Polysaccharide tests have been designed to distinguish between the different types of glucose linkages, and therefore make it possible to identify the type of glucan in question. NOW Foods utilizes such testing to ensure its customers are receiving the immuno-stimulatory b-glucan with the appropriate activity.


Beta 1,3/1,6- D -Glucan 100 mg
Product # 8565

NOW Beta 1-3 Glucan formula is comprised of the most concentrated sources available – Saccharomyces Cerevisae (the inner cell walls of baker’s yeast) and Maitake mushroom. As research evolves, consumers are increasingly turning to beta-glucans to give their immune function added firepower.*

Immune Renew
Product # 16952

NOW® Immune Renew™ is a potent immune system supporting formulation containing Standardized Astragalus Extract and a High Beta-Glucan Proprietary Mushroom Blend Astragalus has been shown in non-clinical studies to support a number of aspects of healthy immune function, including the enhancement of T-Cell and Natural Killer Cell activity. Natural killer cells are so named because they destroy unhealthy cells in the body virtually on contact.

NOW's Proprietary Blend of eight organic mushrooms provides additional immune support due to its high 1,3 Beta Glucan content. 1-3 beta glucans are especially valuable to immune system response, though they're increasingly lacking in today's typical diet. Scientific studies have demonstrated that the 1,3 form of Beta Glucan found in mushrooms possesses remarkable abilities to support both innate and adaptive immunity. A strong, responsive immune system is the foundation of good health.

Fermented Soy Powder
Product # 5445

NOW® Fermented Soy Powder combines the nutritive value of soy with the benefits of fermentation in one convenient daily serving. Fermented Soy offers a broader nutrient profile than traditional soy products with its higher content of bioavailable isoflavones, including Genistein and Daidzein. Fermentation also produces pre-digested soy protein, which naturally improves flavor and texture.

Disclaimers: These statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.


Textbook of Organic Chemistry, 1942, pp198-201

Organic Chemistry - An Advanced Treatise, 1949, pp 1664-1667

London South Bank University, March 13, 2005 internet update

Beta-Glutans, www.nnfa.org/services/science/bg_betaglucans.htm

Yeast Beta-D-Glucan,www.pdrhealth.com/drug_info/nmdrugprofiles/nutsupdrugs/yea_0298.shtml

Beta-Glutan, www.vitacost.com/science/hn/Supp/Beta_Glucan.htm

Assaying beta-glucans, Complex Carbohydrate Research Center, University of Georgia-Athens




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*Statements on this site have not been evaluated by the Food and Drug Administration. 
Products on this site are not intended to diagnose, treat, cure, or prevent any disease. 
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