QBC PLEX by Solaray is used when you need to shine and be at your best, you can't afford to feel under the weather. There's no time like the present for some serious immune system support.

Certain key antioxidant ingredients can help! Quercetin, a hardworking flavonoid, may help support the proper balance of histamine in the body for sinus and respiratory comfort. Bromelain, a plant enzyme naturally found in pineapples, may help provide healthy sinus and immune system support, while vitamin C's powerful antioxidant content makes it the perfect addition to any immune health supplement.