Does Grapefruit Seed Extract Help With Upper Respiratory Symptoms?
A nasal spray containing GSE, hyaluronic acid, and thermal water reduced postnasal drip symptoms in children with respiratory infections.
Weak EvidenceEvidence Summary
A nasal spray containing GSE, hyaluronic acid, and thermal water reduced postnasal drip symptoms in children with respiratory infections.
Effective Dose
No established dose
Supporting Studies
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Products Containing Grapefruit Seed Extract
No products analyzed yet that contain this ingredient.