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Bio-Quercetin® is a novel formula for immune function and heart health support. It contains quercetin combined with fibers from fenugreek seeds to increase bioavailability. Bio-Quercetin® contains 30 vegetarian, gluten-free capsules, enough for a 30-day supply. This formula is made with 100% non-GMO ingredients.

Daily immune support – Quercetin is a bioflavonoid that helps support a healthy immune response in the face of seasonal immune challenges. It’s the perfect addition to your stay-healthy regimen!
Cardiovascular health support – Heart-friendly quercetin also helps support your cardiovascular system by encouraging endothelial health, the delicate inner lining of your blood vessels.
Superior absorption – Our formula uses fenugreek hydrogel to encapsulate quercetin to make it more available to your body. It offers up to 62x better bioavailability than standard quercetin.
Science matters – Expert formulators design our supplement formulas, and a Certificate of Analysis is available for every Life Extension product.
Quality ingredients – The majority of our products are non-GMO, gluten-free and manufactured in the USA with internationally sourced ingredients.