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Item: PGL152

  • Supports natural killer cell activity

  • Promotes the body's natural production of cytokynes

  • Delivers 1,000 mg of a proprietary RBAC blend per serving

500 mg 60 Veg Caps

In Stock

This item is only available for shipment in the United States.

Supplement Facts

Serving Size: 2 Capsules

Servings Per Container: 30

  Amount Per Serving %Daily Value
Calories 12  
Calories from Fat 5  
Total Fat 0.5 g 1%*
Total Carbohydrates <2 g <1%*
Dietary Fiber <1 g <1%*
Proprietary RBAC‡ Blend 1,000 mg
Rice Bran  
Hyphomycetes Mycelia Extract(from Shiitake Mushroom)  

*%Daily Values are based on a 2,000 calorie diet.

†Daily Value not established.

‡Rice Bran Arabinoxylan Compound

Other Ingredients: Hypromellose, microcrystalline cellulose, silicon dioxide, magnesium stearate.

Suggested Use: As a dietary supplement, take two (2) capsules before or after a meal. For best results, the following two-step program is recommended:

Step 1: Take 2 capsules 3 times per day for 4 weeks.

Step 2: After 4 weeks, reduce dosage to the maintenance level of 2 capsules daily.

WARNING: Consult with your health care professional prior to use if you are pregnant, nursing, are being treated for any medical condition, or are taking any medication.


Shipping Weight

.17 lbs

  • Supports natural killer cell activity

  • Promotes the body's natural production of cytokynes

  • Delivers 1,000 mg of a proprietary RBAC blend per serving

BRM4 by Daiwa Health Development is available from Progressive Labs. BRM4 supports natural killer cell activity and the body's natural production of cytokynes. Each serving delivers 1,000 mg of a proprietary RBAC (Rice Bran Arabinoxylan Compound) blend that includes shiitake mushrooms.

Terms and Ingredient Definitions

Progressive Labs BRM4 Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Why Shop Swanson® Brands?

"With my personal 100% money-back satisfaction guarantee, you have nothing to lose and great savings to gain."

Lee Swanson, Founder of Swanson Health Products

Risk-Free Purchase Guarantee on Progressive Labs BRM4

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping.

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© 2017 Ratings based on results of the 2017 Survey of Supplement Users. More information at
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