• Strong Immune Support
• Sinus, Lung, & Respiratory Function
• Healthy Histamine Levels*^†

Quercetin Working at its Fullest Potential
While quercetin is well-known for its potential to support a healthy immune response, respiratory function, and healthy histamine levels†, the fat-soluble flavonoid can also be difficult for the body to absorb.*

That’s why this product features our exclusive GammaSorb™ delivery system. GammaSorb is a plant-based material that binds to nutrients, making them more easily absorbed and bioavailable for optimal benefits. It helps deliver a higher level of support for your overall health.*

Synergy that Delivers for Immune Support *
Vitamin C can also aid in quercetin absorption, making it even more effective, and it is a key nutrient for healthy immune function.*

When it comes to immune support, Quercetin with Vitamin C provides two of the most highly regarded nutrients that consistently deliver.*

^{†Supports healthy levels already within normal range.}

Supplement Facts