Last verified: 101 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 Vision, Performance Lab Vitamin C, Performance Lab Caffeine 2 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 Vision
Supplement
Performance Lab Vitamin C
Supplement
Performance Lab Caffeine 2
Supplement
Host Defense Stamets 7 Capsules
Supplement
Performance Lab Energy
Supplement
Organic India Joy! Mood Support Capsules
Supplement
Organic India Moringa
Supplement
Performance Lab Sleep
Supplement
Performance Lab Calcium
Supplement
Brain Forza Organic Lion's Mane Mushroom
Supplement
Performance Lab B-Complex
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