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Zinc L-Carnosine (Polaprezinc)
Chelated zinc that adheres to damaged stomach tissue, accelerating ulcer healing and protecting gut lining from NSAID damage.
What the evidence says
Zinc Carnosine appears to help in 11 of 13 studies with measurable effects — the evidence leans clearly favourable.
Most evidence is from high-quality meta-analyses and randomised trials published 1998–2025 with a typical study size of 79 participants.
Based on 33 studies · 5 meta-analyses · 27 RCTs · 3,673 total participants
Confidence
HighWhat the studies found
By outcome
See full supplement plans that include Zinc Carnosine.
Zinc Carnosine has an evidence score of 8.5/10 — very strong evidence based on 33 indexed studies, including 5 meta-analyses. Chelated zinc that adheres to damaged stomach tissue, accelerating ulcer healing and protecting gut lining from NSAID damage.
The commonly studied dose of Zinc Carnosine is 75-150mg daily (providing ~16-34mg zinc). Research points to an estimated optimal dose around 112.5mg, with a minimum effective dose near 75mg. Individual response varies — start low and adjust.
The best time to take Zinc Carnosine is between meals. It can be taken on an empty stomach. Zinc-L-carnosine (PepZin GI) is a chelated compound specifically designed to dissociate slowly in gastric fluid, adhering to the stomach lining for localized mucosal healing.
Colostrum
Mostly mechanism / observationalFirst milk rich in immunoglobulins, growth factors, and antimicrobial compounds that supports gut health, immunity, and recovery.
Lactoferrin
Mostly mechanism / observationalA multifunctional iron-binding glycoprotein from milk with broad antimicrobial, anti-inflammatory, and immune-modulating properties.
Last reviewed May 2026 · evidence from 38 studies · how we score
This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.
Zinc Carnosine is a unique chelate of zinc and L-carnosine that was developed in Japan and has been used there since the 1990s for gastric ulcers. Unlike regular zinc, this compound stays in the stomach longer and specifically adheres to damaged tissue, accelerating healing. It's particularly useful for gastritis, ulcers, leaky gut, and protecting against NSAID-induced damage.
Adheres to and protects damaged stomach lining
Reduces oxidative stress in the gut
May help with H. pylori treatment
How Zinc Carnosine works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
75-150mg daily (providing ~16-34mg zinc)
Loading: Not required
Can be taken without food
| Form | Type |
|---|---|
| 💊Zinc L-Carnosine capsules | Recommended |
| 💊PepZin GI (branded form) | Alternative |
PepZin GI is the branded, researched form. Generic versions should be chelated zinc-carnosine, not just zinc + carnosine mixed together.
Minimum: 4 weeks
Optimal: 8 weeks
Cycling: Use for 8 weeks for healing, then reassess. Can use as needed.
Note: Works best on empty stomach to allow direct contact with stomach lining. Divide into 2 doses for optimal effect.
Based on studies showing 75-77% eradication with zinc carnosine + standard therapy vs 58.6% with standard therapy alone. Limited to 8-week cycles to prevent copper deficiency.
Accelerates healing of gastric ulcers
Improves intestinal permeability
Reduces gut damage from NSAIDs
Good protective option
Zinc can reduce absorption; separate by 2 hours
Tip: Don't exceed 8 weeks without break; consider copper supplementation
Zinc Carnosine is generally well-tolerated and considered safe for most healthy adults at recommended doses. The most commonly reported side effects are copper deficiency (long-term high dose). Use caution if any of these apply to you: Known allergy or hypersensitivity to Zinc Carnosine or related compounds.
Luteolin
Likely helpsCrosses the blood-brain barrier to reduce neuroinflammation and inhibits mast cell activation — useful for allergies and brain health.
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