I'm not finding a standardization percentage on my bottle nor in the description, does this have a guaranteed standardized dosage of beta glucan?

The bottle says 250 mg of the beta glucan but it is not standardized. I have used this product because I have an autoimmune disease that depresses my immunity and it does work to prevent pneumonia and other respiratory viruses. I am not sure you need a standardized dose but I usually take Swanson's Beta Right beta glucan and it works well consistently.

What are the other ingredients in this?

Beta - 1,3/1,6 -D- Glucan Powder (from Saccharomyces cerevisiae)100 mg* Maitake Mushrooms (Grifola frondosa)160 mg* Other Ingredients: Cellulose (capsule), Magnesium Stearate (vegetable source), Rice Flour and Silica.Contains No: Sugar, salt, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product.

What does "1,3/1,6" mean?

Beta glucan is a chain of glucose sugars hooked together. Glucose has six carbon atoms in it and they are numbered 1 through six. So the bonds between two glucose molecules is either from the number 1 carbon on the first molecule to number 3 on the second molecule or from the number 1 carbon on the first molecule to the number six carbon on the second molecule. Both occur naturally and both are active immune boosters.

Why are the capsules half full, my capsules are barely half full? Is this correct are should I return them?

I would call NOW customer service. I checked one of mine and it was very full.

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NOW Supplements, Beta 1,3/1,6- D-Glucan 100 mg with Maitake Mushrooms, 90 Veg Capsules

NOW Supplements, Beta 1,3/1,6- D-Glucan 100 mg with Maitake Mushrooms, 90 Veg Capsules

Product ID: 254673871

Details

Age range (description)
Adult
Brand
NOW
Diet type
Gluten Free
Flavour
Unflavored
Item dimensions L x W x H
50 x 50 x 109
Item form
Capsule

🌱Vegan, Non-GMO & allergen-free

🍄160 mg Maitake Mushroom powder blend

🛡️100 mg Beta-Glucan per capsule

23299 Ft

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Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Elevate your immunity game with nature’s elite blend!

90 DAY WELLNESS SUPPLY - A full 3-month supply of immune support in convenient vegetarian capsules to keep you ahead.
MAITAKE MUSHROOM SYNERGY - Boost your wellness routine with 160 mg of potent Maitake mushroom extract per capsule.
TRUSTED HERITAGE QUALITY - Crafted by a family-owned USA brand since 1968, blending tradition with innovation.
CLEAN CONSCIOUS FORMULA - Free from gluten, soy, dairy, nuts, and GMOs—perfect for mindful, modern lifestyles.
IMMUNE DEFENSE POWERHOUSE - Harness clinically studied 1,3/1,6 Beta-Glucan for next-level immune resilience.

NOW Supplements Beta 1,3/1,6-D-Glucan capsules deliver 100 mg of immune-enhancing beta-glucan combined with 160 mg of Maitake mushroom powder per serving. This vegan, allergen-free formula supports immune health with a clean, non-GMO profile, crafted by a trusted family-owned company in the USA since 1968. Each bottle contains 90 vegetarian capsules, providing a convenient 3-month supply for sustained wellness.

Specifications

ASIN	B00772ATEQ
Age Range Description	Adult
Allergen Information	Egg Free, Fish Free, Gluten Free, Milk Free, Soy Free, Wheat Free
Best Sellers Rank	#23,299 in Health ( See Top 100 in Health ) #35 in Mushrooms Herbal Supplements
Brand	NOW
Brand Name	NOW
Color	red
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 808 Reviews
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Unflavored
Flavour	Unflavored
Global Trade Identification Number	00733739030542
Item Dimensions	50 x 50 x 109 millimeters
Item Form	Capsule
Item Weight	0.01 Ounces
Item dimensions L x W x H	50 x 50 x 109 millimeters
Item form	Capsule
Item weight	0.01 Ounces
Manufacturer	NOW Sports - Nutrition and Wellness
Manufacturer Part Number	B001F0R7TQ
Material Features	Vegetarian
Model Name	NOW Supplements, Beta 1,3/1,6- D-Glucan 100 mg with Maitake Mushrooms, 90 Veg Capsules
Model Number	3054
Number of Items	1
Primary Supplement Type	multivitamin
Primary supplement type	multivitamin
Product Benefits	Immune Support
Special Ingredients	Maitake Mushroom
Total Servings Per Container	90
UPC	733739030542

Reviews

L**R

Big fan

I’ve used these product for decades, it really works!

15.02.2026

D**R

Price and Quality!

Great prices and high quality!

9.10.2025

S**K

Good

11.06.2026

S**N

Good, but stinky gas!

I love now foods supplements, and have been using them for years. I purchased 3 bottles of this to help lower my cholesterol. I had to quit taking this after a couple of weeks because of all the smelly gas it gave me. An excellent product, just didn't work out for me! Lol

19.06.2025

B**T

Recommend

I used to get frequent throat and ear infections. Since I started using this, I haven’t had any at all. It’s made a big difference for me, and I’m really happy with the results.

31.01.2026

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23299 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

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