Beta-1,3/1,6-D-Glucan (Beta-Glucans) is a bioactive carbohydrate derived from the cell wall of Saccharomyces cerevisiae, commonly known as bakers' yeast. Scientific studies have shown that Beta-1,3/1,6-D-Glucan supports a healthy immune system through its ability to maintain several aspects of the bodys normal immune functions.* NOW Extra Strength Beta-Glucans is completed with ImmunEnhancer, a high molecular weight polysaccharide extracted from the larch tree that has been studied for its ability to promote a healthy immune response.*Natural color variation may occur in this product.IMMUNENHANCER is a Lonza trademark.250 mg of Beta-Glucans Supports Normal Immune Function* With Larch ArabinogalactanDietary ConsiderationsWheat FreeDairy/ Milk FreeGluten FreeVegetarianSoy FreeVeganEgg FreeShellfish Free Amount Per ServingBeta-1,3/1,6-D-Glucan Powder (from Saccharomyces cerevisiae)250 mgSaccharomyces cerevisiaeImmunEnhancer (Arabinogalactan from Larch Tree (Larix occidentalis))200 mgOther Ingredients:Cellulose (capsule), Cellulose Powder, Silica, Magnesium Stearate (vegetable source)Suggested Use: As a dietary supplement, take 1 capsule 1 to 2 times daily. Consider taking these otherNOW products: AHCC, Immune Renew and Air Defense.Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. NOW Xtra Strength Beta-Glucans has over twice the Beta- Glucans (250 mg per capsule) as in our regular strength product (100 mg per capsule).Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.