Integrative Therapeutics Alpha-Glycosyl Isoquercitrin Delivers all the benefits of quercetin with beter absorption and improved bioavailability. Enhances cellular defenses, supports cardiovascular health, and modulates the bodys immune response mechanisms. Quercetin is an important flavonoid that provides protection at the cellular level. Alpha-Glycosyl Isoquercitrin has 3 times the bioavailability of isoquercetin and nearly 18 times the bioavailability of quercetin aglycone. Recommended Use: Take 1 capsule one to three times daily, or as recommended by your healthcare professional.