• Physician Formulated Immune Support

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Teryn Clarke, M.D.

I'm a physician in Southern California and I created QuerZi Immune Support.

Now more than ever, people are harnessing the power of Quercetin, Zinc, Vitamin D, and Vitamin C to boost their immune system.  I formulated QuerZi to make it easy to take these everyday in the doses I was recommending to my patients.  Powerful compounds all in one bottle.  

2 pills once daily for basic immune support or increase to 2 pills twice daily when you feel you need extra immune support.

The Original QuerZi

Accept no substitutes. Proudly Made in the USA.

SIMPLIFY your immune support regimen: QuerZi contains Quercetin, zinc, vitamin C, and vitamin D in one supplement. No more fiddling with several bottles to accomplish the same goal.

OPTIMIZE your immune support regimen: QuerZi is physician-formulated immune support.

CUSTOMIZE your immune support regimen: Take two tablets of QuerZi daily for basic immune support or increase to two tablets of QuerZi twice daily if you feel that your immune system needs extra support.