Super tart!
"It's like eating a large sweet tart. I love/hate it but they definitely work and have helped me kick sickness at the start."
Complimentary Shipping on Orders $50+
Couldn't load pickup availability

Convenient—and delicious—daily support to help you stay feeling your best: This efficacious formula (formerly QBC Plex) is specially designed to promote overall health and wellness during immune season and all year-round.*
Vitamin C (as Ascorbic Acid), Quercetin Dihydrate, Bromelain, Sorbitol, Xylitol, Orange Juice, Cellulose, Natural Orange Flavor with Other Natural Flavors (soy), Silica, Magnesium Stearate, Maltodextrin, Glycine, Stevia Leaf Extract, Citric Acid (from Non-GMO Cassava) and Malic Acid.
Use only as directed. Take 3 chewable tablets daily, preferably spread throughout the day. Store in a cool, dry place.

Since 1973, Solaray has believed that what you put in your body should be proven, not promised.
We source our own raw materials and triple-test every lot.
We manufacture 95% of our products for full control.
15,000 tests per month verify ingredient potency and purity.^

In an industry where quality can vary widely, testing isn't just a step in the process. It is the process.
✅ Passed Testing for Heavy Metals**
Arsenic, cadmium, lead, mercury
✅ Passed Testing for Microbials**
Mold, yeast, coliform, e. Coli
✅ Passed Testing for Contaminants**
Gluten, ethylene oxide
✅ Passed Testing for Physical Properties
Moisture, color, disintegration, tap density, mesh 140, 20, and 60
**Most contaminants, heavy metals, and microbes are tested to ensure no more than 3 ppm.

Our production facility in Ogden, Utah is a GMP facility certified by NSF. We source and triple-test raw materials, make the majority of our products in-house, conduct stringent testing in our ISO-accredited lab, and distribute our own products to ensure quality and excellence in every bottle.
Disclaimer: The customer reviews and testimonials featured on this site reflect individual experiences and opinions. Results may vary and are not guaranteed. These statements have not been evaluated by the Food and Drug Administration (FDA). The content is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new supplement regimen or if you have concerns about your health.
Overall rating: 5.0 / 5 from 3 reviews.
Review topics: [].
"It's like eating a large sweet tart. I love/hate it but they definitely work and have helped me kick sickness at the start."
— Husband V. (5/5)
"I like this product. It has quercetin AND Vit C in one handy-dandy product. The flavor is strong, citrusy, and tart, which I got used to and now I like it so much I want to keep getting it. I'm nearing the end of my first bottle now."
— David (5/5)
"I haven’t received my shipment. Where is it?"
— Sherrelyne A. (5/5)
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.