Last verified: 17 days ago
Pullulan
Also known as: pullulan polysaccharide, cholesteryl pullulan, CHP nanogel, α-1,4/α-1,6 glucan
Evidence under review. — Not yet rated
Natural polysaccharide used mainly as a film-forming excipient and drug delivery carrier in supplements.
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What it does
Pullulan is a naturally occurring polysaccharide (a type of complex sugar) produced by a fungus. In supplements and pharmaceuticals, it is primarily used as a film-forming agent — the material...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose
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Found in
Performance Lab Caffeine 2, Performance Lab Vision, Brain Forza Organic Lion's Mane Mushroom and 8 more
What the Science Says
Pullulan is a naturally occurring polysaccharide (a type of complex sugar) produced by a fungus. In supplements and pharmaceuticals, it is primarily used as a film-forming agent — the material that makes capsule shells and oral thin films dissolve quickly in the mouth. Research also shows it can act as a delivery vehicle for vaccines and drugs, helping carry active ingredients to target tissues more effectively.
What It Doesn't Do
No evidence it provides direct health benefits when swallowed as a supplement ingredient. Not proven to boost immunity on its own in humans. Not a probiotic or prebiotic with established clinical benefits. The cancer vaccine research involves highly specialized medical formulations — not consumer supplements.
Evidence-Based Benefits
Forms fast-dissolving oral films that improve drug delivery and patient compliance.
Weak EvidenceEffective at: No established dose
Supporting studies (click to view on PubMed):
As a nanogel carrier, enhances immune responses to cancer and allergy vaccines in early-stage trials.
Weak EvidenceEffective at: No established dose
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Unknown for oral supplementation purposes. As a film-forming excipient, it dissolves rapidly in the mouth. As a nanogel carrier in research settings, it is designed to deliver other compounds rather than be absorbed itself.
Red Flags to Watch For
- Most research involves pullulan as a drug/vaccine delivery vehicle, not as a standalone health supplement — marketing may overstate its direct benefits
- No human clinical trials test pullulan as an oral dietary supplement for health outcomes like immunity or gut health
- Cancer vaccine studies use specialized cholesteryl pullulan nanogel formulations that are not comparable to pullulan in consumer products
- Very high prevalence in registered supplement products (1000+ in NIH DSLD) despite minimal clinical evidence for direct health benefits
Products Containing Pullulan
See how Pullulan is used in these analyzed products:
Performance Lab Caffeine 2
Supplement
Performance Lab Vision
Supplement
Brain Forza Organic Lion's Mane Mushroom
Supplement
Host Defense Stamets 7 Capsules
Supplement
Organic India Joy! Mood Support Capsules
Supplement
Organic India Moringa
Supplement
Performance Lab Energy
Supplement
Performance Lab B-Complex
Supplement
Performance Lab Vitamin C
Supplement
Performance Lab Calcium
Supplement
Performance Lab Sleep
Supplement
Frequently Asked Questions
What does Pullulan do?
Natural polysaccharide used mainly as a film-forming excipient and drug delivery carrier in supplements.
What is the effective dose of Pullulan?
No established dose
Is Pullulan safe?
Most research involves pullulan as a drug/vaccine delivery vehicle, not as a standalone health supplement — marketing may overstate its direct benefits
What doesn't Pullulan do?
No evidence it provides direct health benefits when swallowed as a supplement ingredient.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25