Beta-Glucans Explained: Benefits for Immunity, Gut Health, Cholesterol, Brain Health & Functional Nutrition
Discover what beta-glucans are, how they support immunity, gut health, cholesterol, inflammation balance and healthy aging, plus the best foods rich in beta-glucans including mushrooms and bone broth recipes.
Modern nutrition is increasingly moving beyond:
- calories
- macros
- isolated vitamins
and toward:
👉 functional compounds that influence whole-body health.
One of the most important of these compounds is:
beta-glucans.
Beta-glucans are naturally occurring fibres and polysaccharides found in:
- mushrooms
- oats
- barley
- yeast
- certain fungi.
They are attracting enormous interest because researchers are studying their relationship to:
- immune resilience
- gut microbiome health
- cholesterol balance
- inflammation regulation
- metabolic health
- healthy aging.
At Broth & Co, beta-glucan-rich mushrooms are incorporated into:
👉 Energy Performance Bone Broth
where functional mushrooms including:
- Shiitake
- Lion’s Mane
are combined with:
- collagen-rich bone broth
- functional amino acids
to support:
- recovery
- cognition
- gut health
- resilience
- healthy aging.
What Are Beta-Glucans?


Beta-glucans are naturally occurring soluble fibres and polysaccharides.
They are found in:
- mushroom cell walls
- oats
- barley
- yeast
- fungi.
What makes beta-glucans unique is how they interact with:
👉 immune signalling pathways.
Unlike many nutrients that simply provide energy or basic nutrition, beta-glucans are considered:
👉 bioactive compounds.
This means they may influence biological systems beyond basic nourishment.
Why Mushrooms Are One of the Best Sources of Beta-Glucans
Functional mushrooms are among the richest natural sources of beta-glucans.
Especially:
- Shiitake mushrooms
- Maitake mushrooms
- Lion’s Mane mushrooms
- Reishi mushrooms
- Oyster mushrooms.
These mushrooms contain:
- beta-glucans
- polysaccharides
- antioxidants
- ergothioneine
- fibre compounds.
This combination is one reason functional mushrooms are increasingly used in:
- wellness nutrition
- recovery-focused diets
- healthy aging strategies.
How Beta-Glucans Support the Immune System

One of the most researched aspects of beta-glucans is their relationship to:
👉 immune function.
Beta-glucans interact with immune cells through specific receptors involved in immune signalling pathways.
Researchers are increasingly studying how beta-glucans may help support:
- immune resilience
- balanced immune responses
- inflammation regulation.
This is why mushrooms are often described as:
👉 immunomodulatory.
Rather than simply suppressing inflammation, they may help support:
- more balanced immune signalling
- better immune adaptability.
Related:
The Science of Inflammaging: How Diet, Movement & Gut Health Influence Healthy Ageing
Beta-Glucans & Inflammation Balance
Inflammation itself is not inherently harmful.
Acute inflammation helps:
- repair tissue
- support healing
- fight infection.
The challenge occurs when inflammation becomes:
👉 chronic and unresolved.
Chronic inflammation is increasingly associated with:
- metabolic dysfunction
- cardiovascular disease
- cognitive decline
- poor recovery
- accelerated aging.
Beta-glucans are increasingly studied for their relationship to:
- inflammation regulation
- oxidative stress balance
- immune resilience.

Learn More:
Chronic Inflammation Explained: Diet, Lifestyle, Gut Health & Everyday Wellbeing
Beta-Glucans & Cholesterol Support
Beta-glucans are also well known for their relationship to:
👉 cholesterol metabolism.
Soluble beta-glucan fibres may help:
- support healthy cholesterol levels
- influence cholesterol absorption
- support cardiovascular health.
This is particularly well studied in:
- oats
- barley
- mushroom fibres.
Because cardiovascular health is closely linked with:
- inflammation
- metabolism
- oxidative stress
beta-glucans are becoming increasingly important in functional nutrition discussions.

Beta-Glucans & the Gut Microbiome
The gut microbiome refers to the trillions of microorganisms living mainly in:
👉 the large intestine.
The microbiome influences:
- digestion
- immunity
- inflammation
- metabolism
- neurotransmitter signalling.
Beta-glucans function partly as:
👉 prebiotic fibres.
This means they may help support:
- beneficial gut bacteria
- microbial diversity
- microbiome resilience.

The Gut–Brain Axis & Beta-Glucans
The gut and brain constantly communicate through:
- immune signalling
- microbial metabolites
- the vagus nerve
- inflammation pathways.
This is known as:
👉 the gut–brain axis.
Because beta-glucans may support:
- microbiome diversity
- inflammation balance
- gut resilience
they are increasingly discussed in:
- cognitive wellness
- functional medicine
- healthy aging nutrition.
Beta-Glucans & Brain Health
Modern brain health research increasingly focuses on:
- inflammation
- oxidative stress
- mitochondrial function
- microbiome signalling.
Functional mushrooms rich in beta-glucans also contain:
- antioxidants
- ergothioneine
- polyphenols.
Researchers are increasingly exploring how these compounds may help support:
- cognitive resilience
- healthy aging pathways
- cellular protection.
Beta-Glucans & Metabolic Health
Metabolic health is influenced by:
- inflammation
- blood sugar regulation
- microbiome balance
- nutrient density.
Because beta-glucans are:
- fibre-rich
- low glycaemic
- microbiome-supportive
they are increasingly included in:
- metabolic health strategies
- satiety-focused diets
- healthy aging nutrition.
Best Foods Rich in Beta-Glucans
Mushrooms
Especially:
- Shiitake
- Maitake
- Lion’s Mane
- Oyster mushrooms.
- White Button Mushrooms, Cremini Portobello
Oats
One of the most well-known beta-glucan sources.
Barley
Rich in soluble beta-glucan fibres.
Yeast & Fungi
Contain structural beta-glucans.
Why Beta-Glucans Pair So Well with Bone Broth
Functional mushrooms and bone broth complement each other extremely well.
Mushrooms provide:
- beta-glucans
- antioxidants
- microbiome-supportive compounds.
Bone broth provides:
- glycine
- glutamine
- proline
- collagen-derived amino acids.
Together they support:
- gut integrity
- recovery
- connective tissue
- inflammation balance
- resilience.
Energy Performance Bone Broth

Broth & Co Energy Performance Bone Broth combines:
- beta-glucan-rich mushrooms
- collagen-rich bone broth
- functional amino acids
to support:
- cognition
- recovery
- gut health
- metabolic resilience
- healthy aging.
Beta-Glucan Mushroom Broth Recipe

Ingredients
- 4 cups of Broth & Co bone broth prepared as per packet instructions
- Shiitake mushrooms
- Oyster mushrooms
- Cremini, portobello
- garlic
- ginger
- spinach
- tamari
- spring onion.
Instructions
Step 1
Sauté mushrooms lightly.
Step 2
Add garlic and ginger.
Step 3
Pour in bone broth and simmer:
- 10–15 minutes.
Step 4
Add spinach and season.
Step 5
Top with spring onion.
Functional Nutrition & Healthy Aging
Healthy aging increasingly focuses on:
- inflammation balance
- cognitive resilience
- microbiome health
- metabolic flexibility
- recovery capacity.
This is why functional foods containing:
- beta-glucans
- antioxidants
- collagen-derived amino acids
are becoming increasingly popular.
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Why Culinary Functional Foods Matter
One of the most powerful aspects of beta-glucan-rich foods is that they are:
👉 both culinary and functional.
Mushrooms provide:
- flavour
- texture
- umami richness
- bioactive compounds.
This makes them one of the easiest functional foods to incorporate into:
- soups
- ramen
- broths
- stir fries
- slow-cooked meals.
Final Thoughts
Beta-glucans are one of the most important functional compounds emerging in modern nutrition discussions.
Found naturally in:
- mushrooms
- oats
- barley
- fungi
they are increasingly studied for their relationship to:
- immune resilience
- microbiome health
- inflammation balance
- metabolic support
- healthy aging.
Combined with:
- collagen-rich bone broth
- functional mushrooms
- whole-food nutrition
beta-glucans become part of a broader systems-based approach to:
- recovery
- cognition
- resilience
- long-term wellness.
And when incorporated into products like:
👉 Broth & Co Energy Performance Bone Broth
they help create practical functional nutrition for modern health and performance.
❓ FAQ
What are beta-glucans?
Beta-glucans are naturally occurring soluble fibres and polysaccharides found in mushrooms, oats, barley and fungi.
What do beta-glucans do?
Researchers are studying beta-glucans for their relationship to immune support, microbiome health, cholesterol balance and inflammation regulation.
Are mushrooms rich in beta-glucans?
Yes. Functional mushrooms such as Shiitake, Maitake and Lion’s Mane are rich sources of beta-glucans.
Do beta-glucans support gut health?
Beta-glucans may help support beneficial gut bacteria and microbiome diversity because they function partly as prebiotic fibres.
Why combine mushrooms with bone broth?
Mushrooms provide beta-glucans and antioxidants while bone broth provides collagen-derived amino acids that support recovery and gut integrity.