EDTA + Xylitol Nasal Spray

Nasal hygiene spray (not a peptide). Xylitol sprays have small studies for sinus symptoms.

Supplement / OTCGut & Immune

Not FDA-approved. Xylitol sprays sold OTC as saline-type products. This page describes research and public discussion; it is not a recommendation to use.

Overview

Xylitol nasal irrigation showed modest symptom improvement versus saline in a small chronic-rhinosinusitis trial. EDTA is a chelating agent sometimes used as a preservative/biofilm disruptor.

Mechanism of action

Xylitol may reduce bacterial adherence; EDTA chelates metal ions and may disrupt biofilm.

Benefits & evidence ratings

Improved chronic rhinosinusitis symptoms vs saline (xylitol)B Human clinical data

Dosing

Doses show what has been studied or discussed — not guidance. Always follow your prescriber.

Source	Dose	Frequency	Duration	Route
Xylitol CRS trial B Human clinical data	12 g in 240 mL irrigation	Twice daily	10 days	Nasal irrigation

Clinical trials & studies

RCT2011
Xylitol nasal irrigation in chronic rhinosinusitis (Laryngoscope)
Pilot RCT; better SNOT-22 vs saline.

Safety

Side effects

Transient stinging

Contraindications

None documented.

Interactions

None documented.

Long-term safety

Considered low-risk.

Regulatory status

Supplement / OTC

Xylitol sprays sold OTC as saline-type products.