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Healing & Tissue RepairResearch Only · Not FDA-Approved

LarazotideOral tight-junction modulator

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Research Only · Not FDA-Approved. Not FDA-approved. Provided as an educational reference only — not offered or sold by True Heal Wellness. True Heal Wellness does not offer, sell, or administer Larazotide; this page is provided strictly as an educational reference.
Mechanism
Derived from zonula occludens toxin sequence; proposed to reduce paracellular permeability by modulating tight-junction signaling.
Researched For
Celiac disease · Intestinal permeability · Tight-junction biology
The essentials

At a Glance

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Compound type

Peptide

Researched for

Celiac disease, intestinal permeability and tight-junction biology.

Evidence level

B/C — Human clinical evidence

U.S. FDA status

Not FDA-approved.

Routes studied

Oral.

Doses studied

Human clinical-trial doses are indication- and protocol-specific. There is no approved dose.

Safety notes

Trial safety has generally been acceptable, but efficacy has been inconsistent and development history should be accurately summarized.

Anti-doping (WADA)

Unknown.

Availability at True Heal

True Heal Wellness does not offer, sell or administer Larazotide. This page exists as an educational reference only.

Last reviewed

2026-08-11

Regulatory status

Not FDA-approved.

Larazotide is not a “leaky gut cure”.

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What Larazotide is

Orally administered tight-junction modulator studied primarily in celiac disease and intestinal-barrier research. It is also referred to as Larazotide acetate and AT-1001.

How it works

Derived from zonula occludens toxin sequence; proposed to reduce paracellular permeability by modulating tight-junction signaling.

What the evidence shows

Multiple human trials have been conducted; it is not FDA-approved.

Evidence level: B/C — Human clinical evidence.

Routes studied: Oral.

Doses studied: Human clinical-trial doses are indication- and protocol-specific. There is no approved dose.

What this page does not claim

Larazotide is not a “leaky gut cure”.

Safety considerations

Trial safety has generally been acceptable, but efficacy has been inconsistent and development history should be accurately summarized.

  • Cautions and contraindications: Trial/product-specific.

Sport and anti-doping

Unknown.

Availability at True Heal Wellness

True Heal Wellness does not offer, sell or administer Larazotide. This page exists as an educational reference only.

Straight answers

Frequently asked

What is Larazotide?

Orally administered tight-junction modulator studied primarily in celiac disease and intestinal-barrier research.

Is Larazotide FDA-approved?

Not FDA-approved. Larazotide is not a “leaky gut cure”.

What is Larazotide researched for?

Celiac disease, intestinal permeability and tight-junction biology.

What does the evidence on Larazotide show?

Multiple human trials have been conducted; it is not FDA-approved. Evidence level: B/C — Human clinical evidence.

What are the safety considerations with Larazotide?

Trial safety has generally been acceptable, but efficacy has been inconsistent and development history should be accurately summarized. Cautions: Trial/product-specific.

Does True Heal Wellness offer Larazotide?

True Heal Wellness does not offer, sell or administer Larazotide. This page exists as an educational reference only.

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The evidence

References

  1. PepEd Hub — Larazotide compound profile. pepedhub.com
Your next step

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Medical disclaimer. For research and educational purposes only. This content does not constitute medical advice — consult a qualified healthcare provider before beginning any protocol.

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