What It Actually Is
Quercetin is a flavonoid found naturally in many fruits and vegetables, including onions and apples, known for its antioxidant properties.
What Research Generally Shows
Quercetin has a reasonable research base for antioxidant and anti-inflammatory activity, with some studies examining its role in respiratory and immune contexts.
The Honest Gap
BreathEaseX doesn't disclose the amount of Quercetin per spray.
