# Agaricus Subrufescens

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/agaricus-subrufescens
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 6 / 10
**Category:** Other
**Also Known As:** Agaricus blazei Murrill, Almond Mushroom, Himematsutake, Royal Sun Agaricus, Brazilian Mushroom

## Overview

Agaricus subrufescens contains β-glucans, phenolic compounds, and agarol that modulate [immune function](/ingredients/condition/immune-support) through macrophage activation and NF-κB pathway inhibition. The mushroom demonstrates [antioxidant](/ingredients/condition/antioxidant), [anti-inflammatory](/ingredients/condition/inflammation), and potential antitumor activities through increased Bax and p53 expression while reducing matrix metalloproteinase levels.

## Health Benefits

- Stimulates [immune function](/ingredients/condition/immune-support) through beta-glucans and polysaccharides that activate macrophages and natural killer cells.
- Reduces [inflammation](/ingredients/condition/inflammation) by modulating pro-inflammatory signaling pathways such as NF-κB.
- Delivers [antioxidant protection](/ingredients/condition/antioxidant) by neutralizing free radicals and preserving cellular integrity.
- Supports blood sugar control by improving [insulin sensitivity](/ingredients/condition/weight-management) and glucose metabolism.
- Enhances [cardiovascular health](/ingredients/condition/heart-health) by reducing LDL cholesterol and supporting vascular endothelial function.
- Promotes digestive wellness by acting as a prebiotic, fostering a diverse [gut microbiome](/ingredients/condition/gut-health).
- Exhibits anti-cancer potential by inducing apoptosis in cancer cells and protecting healthy tissues.

## Mechanism of Action

The β-glucans in Agaricus subrufescens activate macrophages and natural killer cells while modulating immune signaling pathways. Phenolic compounds and tocopherols provide [antioxidant protection](/ingredients/condition/antioxidant) by neutralizing free radicals and preserving cellular integrity. The mushroom increases tumor suppressor proteins Bax and p53 while reducing matrix metalloproteinase expression and inhibiting pro-[inflammatory](/ingredients/condition/inflammation) NF-κB signaling.

## Clinical Summary

Clinical evidence for Agaricus subrufescens remains significantly limited, with only 17 clinical studies and 2 case reports identified in comprehensive literature reviews. Most research consists of preclinical laboratory and animal studies demonstrating immune-enhancing, [antioxidant](/ingredients/condition/antioxidant), and [anti-inflammatory](/ingredients/condition/inflammation) effects. While the mushroom has been studied as a supportive agent in integrative cancer protocols and for metabolic regulation, robust human clinical data with specific quantified outcomes is lacking. The current evidence base requires substantial expansion through well-designed randomized controlled trials.

## Nutritional Profile

- Polysaccharides: Including beta-glucans, which bolster immune response, promote gut integrity, and provide [immunomodulatory](/ingredients/condition/immune-support) activity.
- Ergosterol: A precursor to vitamin D, supporting bone and immune health.
- Phenolic Compounds: Offering [antioxidant](/ingredients/condition/antioxidant) and [anti-inflammatory](/ingredients/condition/inflammation) protection.

## Dosage & Preparation

- Forms: Available as powder, capsules, tinctures, and extracts.
- Powder: Add 1–3 grams daily to teas, smoothies, or functional formulations. For tea, steep 1–2 grams in hot water for 10–15 minutes.
- Extracts/Capsules: Take 500–2,000 mg of standardized extract daily, adjusted for specific health goals.
- Culinary Use: Incorporate into soups, broths, or plant-based recipes for a nutrient-dense boost.

## Safety & Drug Interactions

Comprehensive safety data for Agaricus subrufescens is currently insufficient, with limited documentation of adverse effects, drug interactions, or contraindications in available literature. As with all medicinal mushrooms, individuals with autoimmune conditions should exercise caution due to immune-stimulating properties. Patients taking anticoagulant medications or diabetes medications should consult healthcare providers before use due to potential effects on [blood glucose](/ingredients/condition/weight-management) and clotting. Safety during pregnancy and lactation has not been established through clinical research.

## Scientific Research

Clinical and preclinical research validates Agaricus subrufescens' immune-enhancing, [antioxidant](/ingredients/condition/antioxidant), and [anti-inflammatory](/ingredients/condition/inflammation) effects. It has also been studied for its roles in metabolic regulation and as a supportive agent in integrative cancer protocols.

## Historical & Cultural Context

Agaricus subrufescens has been traditionally valued in Brazilian folk medicine and Japanese Kampo for enhancing [immunity](/ingredients/condition/immune-support) and vitality. Its robust therapeutic profile, now validated by modern research, has made it a global staple in functional medicine and wellness products for systemic health and resilience.

## Synergistic Combinations

Role: Myco-[adaptogen](/ingredients/condition/stress)ic base
Intention: Cardio & Circulation | Gut & [Microbiome](/ingredients/condition/gut-health)
Primary Pairings: - Vitamin C (Ascorbic Acid)
- Astaxanthin (Haematococcus pluvialis)
- Turmeric (Curcuma longa)
- Ginger (Zingiber officinale)

## Frequently Asked Questions

### What are the main active compounds in Agaricus subrufescens?

Agaricus subrufescens contains three categories of bioactive compounds: hydrophilic molecules like phenolic compounds, lipophilic molecules such as agarol, and macromolecules including β-glucans. These compounds work synergistically to provide antioxidant, immunomodulatory, and anti-inflammatory effects.

### How strong is the clinical evidence for Agaricus subrufescens benefits?

Clinical evidence is significantly limited, with only 17 clinical studies and 2 case reports found in comprehensive literature reviews. Most research consists of preclinical laboratory studies, making human applications largely theoretical until more robust clinical trials are conducted.

### What is the difference between Agaricus subrufescens and Agaricus blazei?

Agaricus subrufescens and Agaricus blazei Murrill refer to the same medicinal mushroom species, with both names used interchangeably in scientific literature. The mushroom is native to Brazil and is commercially cultivated in Japan, China, Brazil, and the United States.

### Can Agaricus subrufescens help with diabetes management?

Preclinical research suggests Agaricus subrufescens may support blood sugar control by improving insulin sensitivity and glucose metabolism. However, clinical evidence in humans is insufficient to confirm antidiabetic effects, and patients should not rely on it as a primary diabetes treatment.

### Is Agaricus subrufescens safe to take with other medications?

Safety data regarding drug interactions is currently insufficient in available literature. Patients taking anticoagulant or diabetes medications should consult healthcare providers before use due to potential effects on blood clotting and glucose levels.

### What is the recommended daily dosage of Agaricus subrufescens, and when should I take it?

Most clinical studies use dosages ranging from 1,000–3,000 mg daily, typically divided into 2–3 doses taken with meals to enhance absorption. Taking it with food may improve bioavailability of its polysaccharide compounds and reduce the risk of gastrointestinal upset. Consistency is more important than timing, so establishing a regular daily routine is recommended for optimal immune support.

### Who should avoid Agaricus subrufescens, and is it safe during pregnancy or for children?

Pregnant and breastfeeding women should avoid Agaricus subrufescens due to insufficient safety data in these populations. Individuals with fungal infections or severe immunosuppression should consult a healthcare provider before use, as immune stimulation may complicate their condition. While generally recognized as safe for healthy adults and older populations, children should only use it under professional guidance.

### What form of Agaricus subrufescens extract provides the best bioavailability?

Hot-water extracted and fermented forms of Agaricus subrufescens offer superior bioavailability compared to raw powder, as extraction breaks down the chitin cell wall and concentrates beta-glucans and polysaccharides. Standardized extracts containing 20–50% polysaccharides demonstrate more consistent immune activation in studies than non-standardized preparations. Mycelium extracts may deliver different compound profiles than fruiting body extracts, affecting both potency and specific health benefits.

## References

Research links: https://www.ncbi.nlm.nih.gov/search/all/?term=Agaricus+Subrufescens+Powder; https://fdc.nal.usda.gov/fdc-app.html#/search?query=Agaricus+Subrufescens+Powder | Studies: https://pubmed.ncbi.nlm.nih.gov/?term=Agaricus+Subrufescens+Powder

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