NOW Beta-1,3 / 1,6-D-Glucan (Beta-Glucan) is a bioactive carbohydrate obtained from the cell wall of Saccharomyces cerevisiae, known as yeast. Scientific studies show that beta-glucan derived from yeast can affect certain immune cells, including those present in the gut-associated lymphoid tissue (GALT). GALT exists in the digestive tract and is known to play a key role in healthy immune system function. NOW Beta-Glucan is blended with maitake mushrooms for added support. Support of the immune system Supports normal activity of immune cells With maitake mushrooms Composition Quantity in 1 dose: 1 capsule Beta-1,3/1,6-D-Glucan powder 100 mg (from Saccharomyces cerevisiae) Maitake mushroom powder 160 mg (Grifola frondosa) Recommended use: Take 1 capsule 1 to 2 times a day. Other additives: rice flour, cellulose (capsule), magnesium stearate (vegetable source) and silica. Not made with wheat, gluten, soy, corn, milk, eggs, fish, shellfish or nut ingredients. Manufactured in a GMP facility that manufactures other ingredients that contain these allergens. Vegetarian/Vegan product. Kosher. Without GMO. Warning: For adults only. Consult a doctor if you are pregnant or nursing, taking medication, or have a medical condition (including autoimmune and anti-inflammatory disorders). Keep out of reach of children! The freshness packet is not edible. Leave it in the bottle. The recommended daily dose should not be exceeded. This product is not intended for the treatment, prevention or cure of a specific disease or condition and is not a meal replacement. Store in a cool, dry place after opening. Natural color variations may occur with this product. Origin: USA, Manufacturer: Now Foods, USA