Fast-C® and Bio-Quercetin® is a novel formula for immune cardiovascular and antioxidant support. Our formula contains absorbable vitamin C with our Bio-Quercetin® which combines quercetin fenugreek seed fibers to increase bioavailability up to 62x compared to standard quercetin. Fast-C® and Bio-Quercetin® contains 60 vegetarian tablets enough for a 1–2-month supply. Non-GMO gluten-free and manufactured in the USA.