ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors
  • Partners

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2026 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Dr. Nanba's Maitake Beta-Factor

Dr. Nanba's Maitake Beta-Factor

Planetary Herbals

#Other
78
Safety85
Efficacy70
Transparency75
Based on Examine, Wikipedia, and 23 other sources

Overview

The effectiveness of Dr. Nanba's Maitake Beta-Factor is primarily driven by its Maitake content, which is well-researched for its immunomodulatory properties. The inclusion of the Maitake (Beta-Glucan) Fraction and the branded MaitakeGold 404 suggests a focus on the most active compounds. However, the specific dosage of the Maitake Blend (300mg per serving) and Maitake (Beta-Glucan) Fraction (6mg per serving) could be considered on the lower end for significant clinical effects, as optimal doses in studies often range from hundreds of milligrams to a few grams of extract daily. The Vitamin C and Calcium components are at sub-optimal doses for significant therapeutic effects, acting more as general nutritional support.

The Good

Utilizes Maitake mushroom, a well-researched immunomodulator.

Includes MaitakeGold 404, a specific beta-glucan fraction.

Contains a blend of Maitake fruiting body and mycelia biomass for comprehensive support.

The Bad

Active Maitake Beta-Glucan Fraction dose (6mg) is significantly lower than clinically effective doses.

Maitake Blend (300mg) is a proprietary blend, limiting transparency on exact composition.

Vitamin C and Calcium are present at sub-optimal levels for significant therapeutic benefit.

Is it for you?

Best For: Individuals seeking immune support, general wellness, those interested in mushroom supplements

Skip If: You are pregnant, nursing, or have an autoimmune condition without consulting a healthcare professional.

Ingredients Analysis

Vitamin C

20 mg

Calcium

238 mg

Maitake (Beta-Glucan) Fraction

6 mg

Maitake Blend

300 mg

Maitake

Maitake Mycelia Biomass

How to Use

Typically taken as capsules with water. Follow label directions for specific serving size.

Frequency:

Daily

Best Time:

Anytime

When:

With food

Who Should Use This

Best For:

Individuals seeking immune support, general wellness, those interested in mushroom supplements